Files

56 lines
1.5 KiB
Python

import logging
from contextlib import asynccontextmanager
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from app.api.router import api_router
from app.core.config import settings
from app.services.pdf_cleanup import cleanup_expired_pdfs
logger = logging.getLogger(__name__)
@asynccontextmanager
async def lifespan(app: FastAPI):
"""应用生命周期管理"""
# 启动时执行
logger.info("[应用启动] 初始化定时任务...")
# 启动后台清理任务
import asyncio
async def cleanup_task():
while True:
try:
# 每天执行一次PDF清理
await asyncio.sleep(24 * 60 * 60) # 24小时
logger.info("[定时任务] 开始执行PDF清理...")
cleanup_expired_pdfs()
except Exception as e:
logger.error(f"[定时任务] PDF清理失败: {str(e)}")
# 启动后台任务
asyncio.create_task(cleanup_task())
logger.info("[应用启动] 定时任务已启动")
yield
# 关闭时执行
logger.info("[应用关闭] 清理资源...")
def create_app() -> FastAPI:
app = FastAPI(title=settings.app_name, lifespan=lifespan)
app.add_middleware(
CORSMiddleware,
allow_origins=settings.cors_origins,
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
app.include_router(api_router)
return app
app = create_app()