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https://github.com/RYDE-WORK/Langchain-Chatchat.git
synced 2026-02-02 20:53:13 +08:00
update api.py
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parent
5575079e6b
commit
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61
api.py
61
api.py
@ -22,6 +22,7 @@ from configs.model_config import (VS_ROOT_PATH, UPLOAD_ROOT_PATH, EMBEDDING_DEVI
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nltk.data.path = [NLTK_DATA_PATH] + nltk.data.path
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class BaseResponse(BaseModel):
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code: int = pydantic.Field(200, description="HTTP status code")
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msg: str = pydantic.Field("success", description="HTTP status message")
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@ -87,40 +88,8 @@ def get_vs_path(local_doc_id: str):
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def get_file_path(local_doc_id: str, doc_name: str):
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return os.path.join(UPLOAD_ROOT_PATH, local_doc_id, doc_name)
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async def single_upload_file(
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file: UploadFile = File(description="A single binary file"),
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knowledge_base_id: str = Form(..., description="Knowledge Base Name", example="kb1"),
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):
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saved_path = get_folder_path(knowledge_base_id)
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if not os.path.exists(saved_path):
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os.makedirs(saved_path)
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file_content = await file.read() # 读取上传文件的内容
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file_path = os.path.join(saved_path, file.filename)
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if os.path.exists(file_path) and os.path.getsize(file_path) == len(file_content):
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file_status = f"文件 {file.filename} 已存在。"
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return BaseResponse(code=200, msg=file_status)
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with open(file_path, "wb") as f:
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f.write(file_content)
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vs_path = get_vs_path(knowledge_base_id)
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if os.path.exists(vs_path):
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added_files = await local_doc_qa.add_files_to_knowledge_vector_store(vs_path, [file_path])
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if len(added_files) > 0:
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file_status = f"文件 {file.filename} 已上传并已加载知识库,请开始提问。"
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return BaseResponse(code=200, msg=file_status)
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else:
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vs_path, loaded_files = await local_doc_qa.init_knowledge_vector_store([file_path], vs_path)
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if len(loaded_files) > 0:
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file_status = f"文件 {file.filename} 已上传至新的知识库,并已加载知识库,请开始提问。"
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return BaseResponse(code=200, msg=file_status)
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file_status = "文件上传失败,请重新上传"
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return BaseResponse(code=500, msg=file_status)
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async def upload_file(
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async def upload_files(
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files: Annotated[
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List[UploadFile], File(description="Multiple files as UploadFile")
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],
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@ -203,7 +172,7 @@ async def delete_docs(
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return BaseResponse()
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async def chat(
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async def local_doc_chat(
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knowledge_base_id: str = Body(..., description="Knowledge Base Name", example="kb1"),
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question: str = Body(..., description="Question", example="工伤保险是什么?"),
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history: List[List[str]] = Body(
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@ -238,7 +207,8 @@ async def chat(
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source_documents=source_documents,
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)
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async def no_knowledge_chat(
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async def chat(
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question: str = Body(..., description="Question", example="工伤保险是什么?"),
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history: List[List[str]] = Body(
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[],
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@ -251,7 +221,6 @@ async def no_knowledge_chat(
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],
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),
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):
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for resp, history in local_doc_qa.llm._call(
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prompt=question, history=history, streaming=True
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):
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@ -264,6 +233,7 @@ async def no_knowledge_chat(
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source_documents=[],
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)
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async def stream_chat(websocket: WebSocket, knowledge_base_id: str):
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await websocket.accept()
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vs_path = os.path.join(VS_ROOT_PATH, knowledge_base_id)
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@ -329,16 +299,19 @@ def main():
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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app.websocket("/chat-docs/stream-chat/{knowledge_base_id}")(stream_chat)
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app.post("/chat-docs/chat", response_model=ChatMessage)(chat)
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app.post("/chat-docs/chatno", response_model=ChatMessage)(no_knowledge_chat)
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app.post("/chat-docs/upload", response_model=BaseResponse)(upload_file)
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app.post("/chat-docs/uploadone", response_model=BaseResponse)(single_upload_file)
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app.get("/chat-docs/list", response_model=ListDocsResponse)(list_docs)
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app.delete("/chat-docs/delete", response_model=BaseResponse)(delete_docs)
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)
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app.websocket("/local_doc_qa/stream-chat/{knowledge_base_id}")(stream_chat)
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app.get("/", response_model=BaseResponse)(document)
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app.post("/chat", response_model=ChatMessage)(chat)
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app.post("/local_doc_qa/upload_files", response_model=BaseResponse)(upload_files)
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app.post("/local_doc_qa/local_doc_chat", response_model=ChatMessage)(local_doc_chat)
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app.get("/local_doc_qa/list_files", response_model=ListDocsResponse)(list_docs)
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app.delete("/local_doc_qa/delete_file", response_model=BaseResponse)(delete_docs)
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local_doc_qa = LocalDocQA()
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local_doc_qa.init_cfg(
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llm_model=LLM_MODEL,
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