56 lines
2.2 KiB
Python
56 lines
2.2 KiB
Python
# main.py
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import logging
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from contextlib import asynccontextmanager
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from typing import Optional
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from fastapi import FastAPI, Request, HTTPException, Depends, Header
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from fastapi.responses import JSONResponse, StreamingResponse
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from app.core.config import settings
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from app.providers.notion_provider import NotionAIProvider
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logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s')
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logger = logging.getLogger(__name__)
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provider = NotionAIProvider()
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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logger.info(f"应用启动中... {settings.APP_NAME} v{settings.APP_VERSION}")
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logger.info("服务已配置为 Notion AI 代理模式。")
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logger.info(f"服务将在 http://localhost:{settings.NGINX_PORT} 上可用")
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yield
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logger.info("应用关闭。")
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app = FastAPI(
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title=settings.APP_NAME,
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version=settings.APP_VERSION,
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description=settings.DESCRIPTION,
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lifespan=lifespan
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)
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async def verify_api_key(authorization: Optional[str] = Header(None)):
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if settings.API_MASTER_KEY and settings.API_MASTER_KEY != "1":
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if not authorization or "bearer" not in authorization.lower():
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raise HTTPException(status_code=401, detail="需要 Bearer Token 认证。")
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token = authorization.split(" ")[-1]
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if token != settings.API_MASTER_KEY:
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raise HTTPException(status_code=403, detail="无效的 API Key。")
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@app.post("/v1/chat/completions", dependencies=[Depends(verify_api_key)])
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async def chat_completions(request: Request) -> StreamingResponse:
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try:
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request_data = await request.json()
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return await provider.chat_completion(request_data)
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except Exception as e:
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logger.error(f"处理聊天请求时发生顶层错误: {e}", exc_info=True)
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raise HTTPException(status_code=500, detail=f"内部服务器错误: {str(e)}")
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@app.get("/v1/models", dependencies=[Depends(verify_api_key)], response_class=JSONResponse)
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async def list_models():
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return await provider.get_models()
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@app.get("/", summary="根路径")
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def root():
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return {"message": f"欢迎来到 {settings.APP_NAME} v{settings.APP_VERSION}. 服务运行正常。"}
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