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yangdx
parent
828af49d6b
commit
f15f97a51d
@ -472,10 +472,25 @@ def create_app(args):
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)
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if request.stream:
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result = ""
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from fastapi.responses import StreamingResponse
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import json
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async def stream_generator():
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async for chunk in response:
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result += chunk
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return QueryResponse(response=result)
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yield f"data: {json.dumps({'response': chunk})}\n\n"
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return StreamingResponse(
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stream_generator(),
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media_type="text/event-stream",
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headers={
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"Cache-Control": "no-cache",
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"Connection": "keep-alive",
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"Content-Type": "text/event-stream",
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"Access-Control-Allow-Origin": "*",
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"Access-Control-Allow-Methods": "POST, OPTIONS",
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"Access-Control-Allow-Headers": "Content-Type"
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}
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)
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else:
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return QueryResponse(response=response)
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except Exception as e:
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@ -484,7 +499,7 @@ def create_app(args):
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@app.post("/query/stream", dependencies=[Depends(optional_api_key)])
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async def query_text_stream(request: QueryRequest):
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try:
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response = rag.query(
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response = await rag.aquery( # 使用 aquery 而不是 query,并添加 await
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request.query,
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param=QueryParam(
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mode=request.mode,
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@ -493,11 +508,24 @@ def create_app(args):
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),
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)
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from fastapi.responses import StreamingResponse
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async def stream_generator():
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async for chunk in response:
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yield chunk
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yield f"data: {chunk}\n\n"
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return stream_generator()
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return StreamingResponse(
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stream_generator(),
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media_type="text/event-stream",
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headers={
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"Cache-Control": "no-cache",
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"Connection": "keep-alive",
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"Content-Type": "text/event-stream",
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"Access-Control-Allow-Origin": "*",
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"Access-Control-Allow-Methods": "POST, OPTIONS",
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"Access-Control-Allow-Headers": "Content-Type"
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}
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)
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except Exception as e:
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raise HTTPException(status_code=500, detail=str(e))
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@ -659,20 +687,38 @@ def create_app(args):
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cleaned_query, mode = parse_query_mode(query)
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# 调用RAG进行查询
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if request.stream:
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response = await rag.aquery(
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cleaned_query,
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param=QueryParam(
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mode=mode,
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stream=True,
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query_param = QueryParam(
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mode=mode, # 使用解析出的模式,如果没有前缀则为默认的 hybrid
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stream=request.stream,
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only_need_context=False
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),
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)
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if request.stream:
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from fastapi.responses import StreamingResponse
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import json
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response = await rag.aquery( # 需要 await 来获取异步生成器
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cleaned_query,
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param=query_param
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)
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async def stream_generator():
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try:
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# 确保 response 是异步生成器
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if isinstance(response, str):
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data = {
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'model': LIGHTRAG_MODEL,
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'created_at': LIGHTRAG_CREATED_AT,
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'message': {
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'role': 'assistant',
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'content': response
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},
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'done': True
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}
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yield f"data: {json.dumps(data)}\n\n"
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else:
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async for chunk in response:
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yield {
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data = {
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"model": LIGHTRAG_MODEL,
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"created_at": LIGHTRAG_CREATED_AT,
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"message": {
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@ -681,7 +727,20 @@ def create_app(args):
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},
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"done": False
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}
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yield {
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yield f"data: {json.dumps(data)}\n\n"
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data = {
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"model": LIGHTRAG_MODEL,
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"created_at": LIGHTRAG_CREATED_AT,
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"message": {
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"role": "assistant",
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"content": chunk
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},
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"done": False
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}
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yield f"data: {json.dumps(data)}\n\n"
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# 发送完成标记
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data = {
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"model": LIGHTRAG_MODEL,
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"created_at": LIGHTRAG_CREATED_AT,
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"message": {
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@ -690,30 +749,41 @@ def create_app(args):
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},
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"done": True
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}
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yield f"data: {json.dumps(data)}\n\n"
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except Exception as e:
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logging.error(f"Error in stream_generator: {str(e)}")
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raise
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from fastapi.responses import StreamingResponse
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import json
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return StreamingResponse(
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(f"data: {json.dumps(chunk)}\n\n" async for chunk in stream_generator()),
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media_type="text/event-stream"
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stream_generator(),
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media_type="text/event-stream",
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headers={
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"Cache-Control": "no-cache",
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"Connection": "keep-alive",
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"Content-Type": "text/event-stream",
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"Access-Control-Allow-Origin": "*",
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"Access-Control-Allow-Methods": "POST, OPTIONS",
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"Access-Control-Allow-Headers": "Content-Type"
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}
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)
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else:
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response = await rag.aquery(
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# 非流式响应
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response_text = await rag.aquery(
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cleaned_query,
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param=QueryParam(
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mode=mode,
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stream=False,
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only_need_context=False
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),
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param=query_param
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)
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# 确保响应不为空
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if not response_text:
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response_text = "No response generated"
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# 构造并返回响应
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return OllamaChatResponse(
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model=LIGHTRAG_MODEL,
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created_at=LIGHTRAG_CREATED_AT,
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message=OllamaMessage(
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role="assistant",
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content=response
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content=str(response_text) # 确保转换为字符串
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),
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done=True
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)
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