back to dev

* get the directory for external resources to pass in as path to nbconvert

* build up resources dict elements separately, combine before passing to from_notebook_node

* Use filename (not title) for the name used as the title in html export

docs/source/changelog.rst

@@ -21,22 +21,64 @@ We strongly recommend that you upgrade to version 9+ of pip before upgrading ``n
     ``pip --version``.
 
 
+.. _release-5.2.1:
+
+5.2.1
+-----
+
+- Fix invisible CodeMirror cursor at specific browser zoom levels (:ghpull:`2983`). 
+- Fix nbconvert handler causing broken export to PDF (:ghpull:`2981`). 
+- Fix the prompt_area argument of the output area constructor. (:ghpull:`2961`). 
+- Handle a compound extension in new_untitled (:ghpull:`2949`). 
+- Allow disabling offline message buffering (:ghpull:`2916`). 
+
+Thanks to the following contributors:
+
+- Steven Silvester (`blink1073 <https://github.com/blink1073>`__)
+- Grant Nestor (`gnestor <https://github.com/gnestor>`__)
+- Jason Grout (`jasongrout <https://github.com/jasongrout>`__)
+- Min RK (`minrk <https://github.com/minrk>`__)
+- M Pacer (`mpacer <https://github.com/mpacer>`__)
+
+See the 5.2.1 milestone on GitHub for a complete list of
+`pull requests <https://github.com/jupyter/notebook/pulls?utf8=%E2%9C%93&q=is%3Apr%20milestone%3A5.2.1>`__ involved in this release.
+
 .. _release-5.2.0:
 
 5.2.0
 -----
 
-- Make all files in the dashboard editable by default and provide a whitelist of viewable file extensions (:ghpull:`2911`).
-- Ensure that the root directory is not hidden (:ghpull:`2907`).
-- Fix CodeMirror styling issue (:ghpull:`2880`).
-- Update error handling on ``APIHandlers`` (:ghpull:`2853`).
-- Upgrade xterm.js to 2.9.2 (:ghpull:`2849`).
-- Add Chinese translations (depends on upcoming UI implementation) (:ghpull:`2804`).
-- Allow for simpler customization of ``output_prompt`` in custom.js (:ghpull:`2774`).
-- Use RFC5987 encoding for filenames (:ghpull:`2767`).
-- Add path to the resources metadata (:ghpull:`2753`).
-- Make ``extraKeys`` consistent between notebook and editor views (:ghpull:`2745`).
-- Add RTL (right-to-left) support (:ghpull:`2357`).
+- Allow setting token via jupyter_token env (:ghpull:`2921`). 
+- Fix some errors caused by raising 403 in get_current_user (:ghpull:`2919`). 
+- Register contents_manager.files_handler_class directly (:ghpull:`2917`). 
+- Update viewable_extensions (:ghpull:`2913`). 
+- Show edit shortcuts modal after shortcuts modal is hidden (:ghpull:`2912`). 
+- Improve edit/view behavior (:ghpull:`2911`). 
+- The root directory of the notebook server should never be hidden (:ghpull:`2907`). 
+- Fix notebook require config to match tools/build-main (:ghpull:`2888`). 
+- Give page constructor default arguments (:ghpull:`2887`). 
+- Fix codemirror.less to match codemirror\'s expected padding layout (:ghpull:`2880`). 
+- Add x-xsrftoken to access-control-allow-headers (:ghpull:`2876`). 
+- Buffer messages when websocket connection is interrupted (:ghpull:`2871`). 
+- Load locale dynamically only when not en-us (:ghpull:`2866`). 
+- Changed key strength to 2048 bits (:ghpull:`2861`). 
+- Resync jsversion with python version (:ghpull:`2860`). 
+- Allow copy operation on modified, read-only notebook (:ghpull:`2854`). 
+- Update error handling on apihandlers (:ghpull:`2853`). 
+- Test python 3.6 on travis, drop 3.3 (:ghpull:`2852`). 
+- Avoid base64-literals in image tests (:ghpull:`2851`). 
+- Upgrade xterm.js to 2.9.2 (:ghpull:`2849`). 
+- Changed all python variables named file to file_name to not override built_in file (:ghpull:`2830`). 
+- Add more doc tests (:ghpull:`2823`). 
+- Typos fix (:ghpull:`2815`). 
+- Rename and update license [ci skip] (:ghpull:`2810`). 
+- Travis builds doc  (:ghpull:`2808`). 
+- Pull request i18n  (:ghpull:`2804`). 
+- Factor out output_prompt_function, as is done with input prompt (:ghpull:`2774`). 
+- Use rfc5987 encoding for filenames (:ghpull:`2767`). 
+- Added path to the resources metadata, the same as in from_filename(...) in nbconvert.exporters.py (:ghpull:`2753`). 
+- Make "extrakeys" consistent for notebook and editor (:ghpull:`2745`). 
+- Bidi support (:ghpull:`2357`). 
 
 Special thanks to `samarsultan <https://github.com/samarsultan>`__ and the Arabic Competence and Globalization Center Team at IBM Egypt for adding RTL (right-to-left) support to the notebook!
 

notebook/_version.py

@@ -9,5 +9,5 @@ store the current version info of the notebook.
 
 # Next beta/alpha/rc release: The version number for beta is X.Y.ZbN **without dots**. 
 
-version_info = (5, 2, 0)
+version_info = (5, 3, 0, ".dev0")
 __version__ = '.'.join(map(str, version_info[:3])) + ''.join(version_info[3:])

notebook/nbconvert/handlers.py

@@ -60,13 +60,13 @@ def get_exporter(format, **kwargs):
         from nbconvert.exporters.base import get_exporter
     except ImportError as e:
         raise web.HTTPError(500, "Could not import nbconvert: %s" % e)
-    
+
     try:
         Exporter = get_exporter(format)
     except KeyError:
         # should this be 400?
         raise web.HTTPError(404, u"No exporter for format: %s" % format)
-    
+
     try:
         return Exporter(**kwargs)
     except Exception as e:
@@ -76,19 +76,20 @@ def get_exporter(format, **kwargs):
 class NbconvertFileHandler(IPythonHandler):
 
     SUPPORTED_METHODS = ('GET',)
-    
+
     @web.authenticated
     def get(self, format, path):
-        
+
         exporter = get_exporter(format, config=self.config, log=self.log)
-        
+
         path = path.strip('/')
         # If the notebook relates to a real file (default contents manager),
         # give its path to nbconvert.
         if hasattr(self.contents_manager, '_get_os_path'):
             os_path = self.contents_manager._get_os_path(path)
+            ext_resources_dir, basename = os.path.split(os_path)
         else:
-            os_path = ''
+            ext_resources_dir = None
 
         model = self.contents_manager.get(path=path)
         name = model['name']
@@ -96,20 +97,29 @@ class NbconvertFileHandler(IPythonHandler):
             # not a notebook, redirect to files
             return FilesRedirectHandler.redirect_to_files(self, path)
 
+        nb = model['content']
+
         self.set_header('Last-Modified', model['last_modified'])
 
+        # create resources dictionary
+        mod_date = model['last_modified'].strftime(text.date_format)
+        nb_title = os.path.splitext(name)[0]
+
+        resource_dict = {
+            "metadata": {
+                "name": nb_title,
+                "modified_date": mod_date
+            },
+            "config_dir": self.application.settings['config_dir']
+        }
+
+        if ext_resources_dir:
+            resource_dict['metadata']['path'] = ext_resources_dir
+
         try:
             output, resources = exporter.from_notebook_node(
-                model['content'],
-                resources={
-                    "metadata": {
-                        "name": name[:name.rfind('.')],
-                        "modified_date": (model['last_modified']
-                            .strftime(text.date_format)),
-                        "path" : os_path
-                    },
-                    "config_dir": self.application.settings['config_dir'],
-                }
+                nb,
+                resources=resource_dict
             )
         except Exception as e:
             self.log.exception("nbconvert failed: %s", e)
@@ -136,11 +146,11 @@ class NbconvertPostHandler(IPythonHandler):
     @web.authenticated
     def post(self, format):
         exporter = get_exporter(format, config=self.config)
-        
+
         model = self.get_json_body()
         name = model.get('name', 'notebook.ipynb')
         nbnode = from_dict(model['content'])
-        
+
         try:
             output, resources = exporter.from_notebook_node(nbnode, resources={
                 "metadata": {"name": name[:name.rfind('.')],},

notebook/services/contents/manager.py

@@ -4,7 +4,6 @@
 # Distributed under the terms of the Modified BSD License.
 
 from fnmatch import fnmatch
-import gettext
 import itertools
 import json
 import os
@@ -32,6 +31,7 @@ from traitlets import (
 from ipython_genutils.py3compat import string_types
 from notebook.base.handlers import IPythonHandler
 
+
 copy_pat = re.compile(r'\-Copy\d*\.')
 
 
@@ -317,21 +317,26 @@ class ContentsManager(LoggingConfigurable):
             The name of a file, including extension
         path : unicode
             The API path of the target's directory
+        insert: unicode
+            The characters to insert after the base filename
 
         Returns
         -------
         name : unicode
             A filename that is unique, based on the input filename.
         """
+        # Extract the full suffix from the filename (e.g. .tar.gz)
         path = path.strip('/')
-        basename, ext = os.path.splitext(filename)
+        basename, dot, ext = filename.partition('.')
+        suffix = dot + ext
+
         for i in itertools.count():
             if i:
                 insert_i = '{}{}'.format(insert, i)
             else:
                 insert_i = ''
-            name = u'{basename}{insert}{ext}'.format(basename=basename,
-                insert=insert_i, ext=ext)
+            name = u'{basename}{insert}{suffix}'.format(basename=basename,
+                insert=insert_i, suffix=suffix)
             if not self.exists(u'{}/{}'.format(path, name)):
                 break
         return name

notebook/services/contents/tests/test_manager.py

@@ -300,6 +300,12 @@ class TestContentsManager(TestCase):
         self.assertEqual(model['name'], 'untitled')
         self.assertEqual(model['path'], '%s/untitled' % sub_dir)
 
+        # Test with a compound extension
+        model = cm.new_untitled(path=sub_dir, ext='.foo.bar')
+        self.assertEqual(model['name'], 'untitled.foo.bar')
+        model = cm.new_untitled(path=sub_dir, ext='.foo.bar')
+        self.assertEqual(model['name'], 'untitled1.foo.bar')
+
     def test_modified_date(self):
 
         cm = self.contents_manager

notebook/services/kernels/kernelmanager.py

@@ -83,6 +83,17 @@ class MappingKernelManager(MultiKernelManager):
         Only effective if cull_idle_timeout is not 0."""
     )
 
+    buffer_offline_messages = Bool(True, config=True,
+        help="""Whether messages from kernels whose frontends have disconnected should be buffered in-memory.
+
+        When True (default), messages are buffered and replayed on reconnect,
+        avoiding lost messages due to interrupted connectivity.
+
+        Disable if long-running kernels will produce too much output while
+        no frontends are connected.
+        """
+    )
+
     _kernel_buffers = Any()
     @default('_kernel_buffers')
     def _default_kernel_buffers(self):
@@ -105,7 +116,7 @@ class MappingKernelManager(MultiKernelManager):
         while not os.path.isdir(os_path) and os_path != self.root_dir:
             os_path = os.path.dirname(os_path)
         return os_path
-    
+
     @gen.coroutine
     def start_kernel(self, kernel_id=None, path=None, **kwargs):
         """Start a kernel for a session and return its kernel_id.
@@ -148,7 +159,7 @@ class MappingKernelManager(MultiKernelManager):
 
         # py2-compat
         raise gen.Return(kernel_id)
-    
+
     def start_buffering(self, kernel_id, session_key, channels):
         """Start buffering messages for a kernel
 
@@ -163,6 +174,12 @@ class MappingKernelManager(MultiKernelManager):
         channels: dict({'channel': ZMQStream})
             The zmq channels whose messages should be buffered.
         """
+
+        if not self.buffer_offline_messages:
+            for channel, stream in channels.items():
+                stream.close()
+            return
+
         self.log.info("Starting buffering for %s", session_key)
         self._check_kernel_id(kernel_id)
         # clear previous buffering state
@@ -182,7 +199,6 @@ class MappingKernelManager(MultiKernelManager):
         for channel, stream in channels.items():
             stream.on_recv(partial(buffer_msg, channel))
 
-    
     def get_buffer(self, kernel_id, session_key):
         """Get the buffer for a given kernel
 

notebook/static/base/js/namespace.js

@@ -73,7 +73,7 @@ define(function(){
     // tree
     jglobal('SessionList','tree/js/sessionlist');
 
-    Jupyter.version = "5.2.0";
+    Jupyter.version = "5.2.1";
     Jupyter._target = '_blank';
     return Jupyter;
 });

notebook/static/notebook/js/outputarea.js

@@ -77,6 +77,9 @@ define([
 
     OutputArea.prototype.style = function () {
         this.collapse_button.hide();
+        if (!this.prompt_area) {
+            this.prompt_overlay.hide();
+        }
         
         this.wrapper.addClass('output_wrapper');
         this.element.addClass('output');

notebook/static/notebook/less/codemirror.less

@@ -52,3 +52,20 @@
     .border-radius(0)
 }
 
+.CodeMirror-cursor {
+    border-left: 1.4px solid black;
+}
+
+// When zoomed out 67% and 33% on a screen of 1440 width x 900 height
+@media screen and (min-width: 2138px) and (max-width: 4319px)  {
+    .CodeMirror-cursor {
+        border-left: 2px solid black;
+    }
+}
+
+// When zoomed out less than 33%
+@media screen and (min-width: 4320px)  {
+    .CodeMirror-cursor {
+        border-left: 4px solid black;
+    }
+}