mirror of
https://github.com/lanqian528/chat2api.git
synced 2026-06-13 21:02:46 +08:00
119 lines
4.6 KiB
Python
119 lines
4.6 KiB
Python
import types
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import warnings
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from apscheduler.schedulers.background import BackgroundScheduler
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from fastapi import FastAPI, Request, Depends, HTTPException, Form
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.responses import HTMLResponse
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from fastapi.responses import StreamingResponse, JSONResponse
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from fastapi.security import OAuth2PasswordBearer
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from fastapi.templating import Jinja2Templates
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from starlette.background import BackgroundTask
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from chatgpt.ChatService import ChatService
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from chatgpt.chatLimit import clean_dict
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from chatgpt.reverseProxy import chatgpt_reverse_proxy
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from utils.Logger import logger
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from utils.authorization import token_list
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from utils.config import api_prefix
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from utils.retry import async_retry
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warnings.filterwarnings("ignore")
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app = FastAPI()
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templates = Jinja2Templates(directory="templates")
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scheduler = BackgroundScheduler()
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token", auto_error=False)
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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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.on_event("startup")
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async def app_start():
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scheduler.add_job(id='updateLimit_run', func=clean_dict, trigger='cron', hour=3, minute=0)
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scheduler.start()
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async def to_send_conversation(request_data, req_token):
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chat_service = ChatService(req_token)
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try:
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await chat_service.set_dynamic_data(request_data)
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await chat_service.get_chat_requirements()
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return chat_service
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except HTTPException as e:
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await chat_service.close_client()
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raise HTTPException(status_code=e.status_code, detail=e.detail)
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except Exception as e:
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await chat_service.close_client()
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logger.error(f"Server error, {str(e)}")
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raise HTTPException(status_code=500, detail="Server error")
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@app.post(f"/{api_prefix}/v1/chat/completions" if api_prefix else "/v1/chat/completions")
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async def send_conversation(request: Request, req_token: str = Depends(oauth2_scheme)):
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try:
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request_data = await request.json()
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except Exception:
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raise HTTPException(status_code=400, detail={"error": "Invalid JSON body"})
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chat_service = await async_retry(to_send_conversation, request_data, req_token)
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try:
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await chat_service.prepare_send_conversation()
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res = await chat_service.send_conversation()
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if isinstance(res, types.AsyncGeneratorType):
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background = BackgroundTask(chat_service.close_client)
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return StreamingResponse(res, media_type="text/event-stream", background=background)
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else:
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background = BackgroundTask(chat_service.close_client)
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return JSONResponse(res, media_type="application/json", background=background)
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except HTTPException as e:
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await chat_service.close_client()
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if e.status_code == 500:
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logger.error(f"Server error, {str(e)}")
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raise HTTPException(status_code=500, detail="Server error")
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raise HTTPException(status_code=e.status_code, detail=e.detail)
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except Exception as e:
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await chat_service.close_client()
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logger.error(f"Server error, {str(e)}")
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raise HTTPException(status_code=500, detail="Server error")
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@app.get(f"/{api_prefix}/tokens" if api_prefix else "/tokens", response_class=HTMLResponse)
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async def upload_html(request: Request):
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tokens_count = len(token_list)
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return templates.TemplateResponse("tokens.html", {"request": request, "api_prefix": api_prefix, "tokens_count": tokens_count})
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@app.post(f"/{api_prefix}/tokens/upload" if api_prefix else "/tokens/upload")
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async def upload_post(text: str = Form(...)):
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lines = text.split("\n")
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for line in lines:
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if line.strip() and not line.startswith("#"):
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token_list.append(line.strip())
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with open("data/token.txt", "a", encoding="utf-8") as f:
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f.write(line.strip() + "\n")
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logger.info(f"Token list count: {len(token_list)}")
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tokens_count = len(token_list)
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return {"status": "success", "tokens_count": tokens_count}
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@app.post(f"/{api_prefix}/tokens/clear" if api_prefix else "/tokens/clear")
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async def upload_post():
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token_list.clear()
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with open("data/token.txt", "w", encoding="utf-8") as f:
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pass
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logger.info(f"Token list count: {len(token_list)}")
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tokens_count = len(token_list)
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return {"status": "success", "tokens_count": tokens_count}
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@app.api_route("/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "OPTIONS", "HEAD", "PATCH", "TRACE"])
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async def reverse_proxy(request: Request, path: str):
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return await chatgpt_reverse_proxy(request, path)
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