diff --git a/.idea/misc.xml b/.idea/misc.xml index 7830771..7427ae4 100644 --- a/.idea/misc.xml +++ b/.idea/misc.xml @@ -1,4 +1,7 @@ <?xml version="1.0" encoding="UTF-8"?> <project version="4"> + <component name="Black"> + <option name="sdkName" value="LLM" /> + </component> <component name="ProjectRootManager" version="2" project-jdk-name="LLM" project-jdk-type="Python SDK" /> </project> \ No newline at end of file diff --git a/.idea/workspace.xml b/.idea/workspace.xml index d70da44..205572e 100644 --- a/.idea/workspace.xml +++ b/.idea/workspace.xml @@ -1,33 +1,75 @@ <?xml version="1.0" encoding="UTF-8"?> <project version="4"> + <component name="AutoImportSettings"> + <option name="autoReloadType" value="SELECTIVE" /> + </component> <component name="ChangeListManager"> - <list default="true" id="db7f4434-7cc2-4790-b42e-92159334a8b4" name="Changes" comment="" /> + <list default="true" id="db7f4434-7cc2-4790-b42e-92159334a8b4" name="Changes" comment="init"> + <change afterPath="$PROJECT_DIR$/src/base/PdfLoader.py" afterDir="false" /> + <change afterPath="$PROJECT_DIR$/src/serve/embedding.py" afterDir="false" /> + <change beforePath="$PROJECT_DIR$/.idea/misc.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/misc.xml" afterDir="false" /> + <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" /> + <change beforePath="$PROJECT_DIR$/requirements.txt" beforeDir="false" afterPath="$PROJECT_DIR$/requirements.txt" afterDir="false" /> + <change beforePath="$PROJECT_DIR$/src/base/chinese_text_splitter.py" beforeDir="false" afterPath="$PROJECT_DIR$/src/base/chinese_text_splitter.py" afterDir="false" /> + </list> <option name="SHOW_DIALOG" value="false" /> <option name="HIGHLIGHT_CONFLICTS" value="true" /> <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" /> <option name="LAST_RESOLUTION" value="IGNORE" /> </component> + <component name="FileTemplateManagerImpl"> + <option name="RECENT_TEMPLATES"> + <list> + <option value="Python Script" /> + </list> + </option> + </component> <component name="Git.Settings"> + <option name="RECENT_BRANCH_BY_REPOSITORY"> + <map> + <entry key="$PROJECT_DIR$" value="master" /> + </map> + </option> <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" /> + <option name="RESET_MODE" value="HARD" /> + </component> + <component name="MarkdownSettingsMigration"> + <option name="stateVersion" value="1" /> </component> - <component name="ProjectColorInfo"><![CDATA[{ - "associatedIndex": 8 -}]]></component> + <component name="ProjectColorInfo">{ + "associatedIndex": 8 +}</component> <component name="ProjectId" id="2gEthR7lQkfXVFalbjvQftZcFMK" /> - <component name="ProjectLevelVcsManager" settingsEditedManually="true" /> + <component name="ProjectLevelVcsManager" settingsEditedManually="true"> + <ConfirmationsSetting value="2" id="Add" /> + </component> <component name="ProjectViewState"> <option name="hideEmptyMiddlePackages" value="true" /> <option name="showLibraryContents" value="true" /> </component> - <component name="PropertiesComponent"><![CDATA[{ - "keyToString": { - "RunOnceActivity.OpenProjectViewOnStart": "true", - "RunOnceActivity.ShowReadmeOnStart": "true", - "git-widget-placeholder": "master", - "nodejs_package_manager_path": "npm", - "vue.rearranger.settings.migration": "true" + <component name="PropertiesComponent">{ + "keyToString": { + "Python.RAG.executor": "Run", + "Python.embedding.executor": "Run", + "RunOnceActivity.OpenProjectViewOnStart": "true", + "RunOnceActivity.ShowReadmeOnStart": "true", + "git-widget-placeholder": "f7939674", + "last_opened_file_path": "G:/code/py/LLM", + "node.js.detected.package.eslint": "true", + "node.js.detected.package.tslint": "true", + "node.js.selected.package.eslint": "(autodetect)", + "node.js.selected.package.tslint": "(autodetect)", + "nodejs_package_manager_path": "npm", + "settings.editor.selected.configurable": "com.jetbrains.python.configuration.PyActiveSdkModuleConfigurable", + "vue.rearranger.settings.migration": "true" } -}]]></component> +}</component> + <component name="RecentsManager"> + <key name="MoveFile.RECENT_KEYS"> + <recent name="G:\code\py\LLM\src\base" /> + <recent name="G:\code\py\LLM" /> + </key> + </component> <component name="SharedIndexes"> <attachedChunks> <set> @@ -43,8 +85,44 @@ <option name="number" value="Default" /> <option name="presentableId" value="Default" /> <updated>1715274683455</updated> - <workItem from="1715274700837" duration="5000" /> + <workItem from="1715274700837" duration="4418000" /> + <workItem from="1715336208466" duration="4087000" /> + <workItem from="1715343547428" duration="1181000" /> + <workItem from="1715345875476" duration="11056000" /> + <workItem from="1715441734127" duration="1201000" /> + <workItem from="1715516642242" duration="5982000" /> </task> + <task id="LOCAL-00001" summary="init"> + <option name="closed" value="true" /> + <created>1715279142669</created> + <option name="number" value="00001" /> + <option name="presentableId" value="LOCAL-00001" /> + <option name="project" value="LOCAL" /> + <updated>1715279142669</updated> + </task> + <option name="localTasksCounter" value="2" /> <servers /> </component> + <component name="TypeScriptGeneratedFilesManager"> + <option name="version" value="3" /> + </component> + <component name="Vcs.Log.Tabs.Properties"> + <option name="TAB_STATES"> + <map> + <entry key="MAIN"> + <value> + <State /> + </value> + </entry> + </map> + </option> + </component> + <component name="VcsManagerConfiguration"> + <MESSAGE value="init" /> + <option name="LAST_COMMIT_MESSAGE" value="init" /> + </component> + <component name="com.intellij.coverage.CoverageDataManagerImpl"> + <SUITE FILE_PATH="coverage/LLM$RAG.coverage" NAME="RAG Coverage Results" MODIFIED="1715346172432" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/serve" /> + <SUITE FILE_PATH="coverage/LLM$embedding.coverage" NAME="embedding Coverage Results" MODIFIED="1715354020292" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/src/serve" /> + </component> </project> \ No newline at end of file diff --git a/requirements.txt b/requirements.txt index ecdfcaa..f5aee2c 100644 --- a/requirements.txt +++ b/requirements.txt @@ -1,4 +1,7 @@ langchain~=0.1.19 -httpx-sse -langchainhub -pyjwt \ No newline at end of file +httpx +pyjwt +transformers +text2vec~=1.2.9 +chardet +pypdf~=4.2.0 \ No newline at end of file diff --git a/src/base/PdfLoader.py b/src/base/PdfLoader.py new file mode 100644 index 0000000..25bdd12 --- /dev/null +++ b/src/base/PdfLoader.py @@ -0,0 +1,15 @@ +from langchain_community.document_loaders import PyPDFLoader + + +class PDFLoader: + @staticmethod + def loader(file_path: str): + content = "" + loader = PyPDFLoader(file_path) + for page in loader.load(): + content += page.page_content + return content + + +if __name__ == '__main__': + print(PDFLoader.loader("C:\\Users\\16922\\Desktop\\文档1.pdf")) diff --git a/src/base/chinese_text_splitter.py b/src/base/chinese_text_splitter.py index 14914ec..414fd41 100644 --- a/src/base/chinese_text_splitter.py +++ b/src/base/chinese_text_splitter.py @@ -1,25 +1,59 @@ +from langchain.text_splitter import CharacterTextSplitter import re from typing import List -from langchain.text_splitter import CharacterTextSplitter - class ChineseTextSplitter(CharacterTextSplitter): - def __init__(self, pdf: bool = False, **kwargs): + def __init__(self, pdf: bool = False, sentence_size: int = 250, **kwargs): super().__init__(**kwargs) self.pdf = pdf + self.sentence_size = sentence_size - def split_text(self, text: str) -> List[str]: + def split_text1(self, text: str) -> List[str]: if self.pdf: text = re.sub(r"\n{3,}", "\n", text) text = re.sub('\s', ' ', text) text = text.replace("\n\n", "") - sent_sep_pattern = re.compile( - '([﹒﹔﹖﹗.。!?]["’”」』]{0,2}|(?=["‘“「『]{1,2}|$))') + sent_sep_pattern = re.compile('([﹒﹔﹖﹗.。!?]["’”」』]{0,2}|(?=["‘“「『]{1,2}|$))') # del :; sent_list = [] for ele in sent_sep_pattern.split(text): if sent_sep_pattern.match(ele) and sent_list: sent_list[-1] += ele elif ele: sent_list.append(ele) - return sent_list \ No newline at end of file + return sent_list + + def split_text(self, text: str) -> List[str]: ##此处需要进一步优化逻辑 + if self.pdf: + text = re.sub(r"\n{3,}", r"\n", text) + text = re.sub('\s', " ", text) + text = re.sub("\n\n", "", text) + + text = re.sub(r'([;;.!?。!?\?])([^”’])', r"\1\n\2", text) # 单字符断句符 + text = re.sub(r'(\.{6})([^"’”」』])', r"\1\n\2", text) # 英文省略号 + text = re.sub(r'(\…{2})([^"’”」』])', r"\1\n\2", text) # 中文省略号 + text = re.sub(r'([;;!?。!?\?]["’”」』]{0,2})([^;;!?,。!?\?])', r'\1\n\2', text) + # 如果双引号前有终止符,那么双引号才是句子的终点,把分句符\n放到双引号后,注意前面的几句都小心保留了双引号 + text = text.rstrip() # 段尾如果有多余的\n就去掉它 + # 很多规则中会考虑分号;,但是这里我把它忽略不计,破折号、英文双引号等同样忽略,需要的再做些简单调整即可。 + ls = [i for i in text.split("\n") if i] + for ele in ls: + if len(ele) > self.sentence_size: + ele1 = re.sub(r'([,,.]["’”」』]{0,2})([^,,.])', r'\1\n\2', ele) + ele1_ls = ele1.split("\n") + for ele_ele1 in ele1_ls: + if len(ele_ele1) > self.sentence_size: + ele_ele2 = re.sub(r'([\n]{1,}| {2,}["’”」』]{0,2})([^\s])', r'\1\n\2', ele_ele1) + ele2_ls = ele_ele2.split("\n") + for ele_ele2 in ele2_ls: + if len(ele_ele2) > self.sentence_size: + ele_ele3 = re.sub('( ["’”」』]{0,2})([^ ])', r'\1\n\2', ele_ele2) + ele2_id = ele2_ls.index(ele_ele2) + ele2_ls = ele2_ls[:ele2_id] + [i for i in ele_ele3.split("\n") if i] + ele2_ls[ + ele2_id + 1:] + ele_id = ele1_ls.index(ele_ele1) + ele1_ls = ele1_ls[:ele_id] + [i for i in ele2_ls if i] + ele1_ls[ele_id + 1:] + + id = ls.index(ele) + ls = ls[:id] + [i for i in ele1_ls if i] + ls[id + 1:] + return ls \ No newline at end of file diff --git a/src/serve/embedding.py b/src/serve/embedding.py new file mode 100644 index 0000000..c7b71f4 --- /dev/null +++ b/src/serve/embedding.py @@ -0,0 +1,28 @@ +from langchain_community.document_loaders import PyPDFLoader +from langchain_community.vectorstores import Chroma +from text2vec import SentenceModel +from src.base.chinese_text_splitter import ChineseTextSplitter + + +class SentenceEmbedding: + __model = SentenceModel('shibing624/text2vec-base-chinese') + def __init__(self, file_path: str): + self.file_path = file_path + content = "" + loader = PyPDFLoader(file_path) + for page in loader.load(): + content += page.page_content + sentences = ChineseTextSplitter(True).split_text(content) + embeddings = SentenceEmbedding.__model.encode(sentences) + self.vectorstore = Chroma.add_texts(iter(sentences), embeddings) + + def get_vectorstore(self): + return self.vectorstore + + def search(self, query:str): + embeddings = SentenceEmbedding.__model.encode(query) + self.vectorstore + + +if __name__ == '__main__': + SentenceEmbedding("C:\\Users\\16922\\Desktop\\文档1.pdf").