79 lines
2.4 KiB
Python
79 lines
2.4 KiB
Python
# app.py
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from fastapi import FastAPI, Request
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import uvicorn
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import os
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from contextlib import asynccontextmanager
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# 导入配置
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from config.settings import settings
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# 导入数据库相关
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from data.session import init_database, close_database_connections, close_async_database_connections
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# 导入路由注册函数
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from routes import register_routers
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# 导入中间件注册函数
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from middlewares import register_middlewares
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# 导入日志工具
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from utils.logger import get_logger
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# 设置日志
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logger = get_logger("app")
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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"""
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应用程序生命周期管理
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启动时初始化数据库和任务调度器，关闭时清理资源
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"""
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# 启动前的初始化操作
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# 初始化数据库
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init_database()
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# 启动增强版任务调度器
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from services.enhanced_scheduler import scheduler
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await scheduler.start(worker_count=settings.TASK_SCHEDULER_MIN_WORKER_COUNT)
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logger.info(f"增强版任务调度器已启动，最小工作线程数: {settings.TASK_SCHEDULER_MIN_WORKER_COUNT}，最大工作线程数: {settings.TASK_SCHEDULER_MAX_WORKER_COUNT}")
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yield
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# 应用程序关闭前的清理操作
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logger.info("应用程序关闭中...")
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# 停止增强版任务调度器
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from services.enhanced_scheduler import scheduler
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await scheduler.stop()
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logger.info("增强版任务调度器已停止")
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await close_async_database_connections() # 关闭异步数据库连接
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close_database_connections() # 关闭同步数据库连接
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# 创建FastAPI应用
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app = FastAPI(
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title=settings.APP_NAME,
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description=settings.APP_DESCRIPTION,
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version=settings.APP_VERSION,
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lifespan=lifespan,
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debug=settings.DEBUG
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)
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# 注册中间件
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register_middlewares(app)
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# 注册所有路由
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register_routers(app)
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# 主函数
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if __name__ == "__main__":
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# 从环境变量中获取端口，默认为8000
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import time
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# start_time = time.time()
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port = int(os.environ.get("PORT", settings.SERVER_PORT))
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# 打印启动配置信息
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logger.info(f"服务器配置 - Host: 0.0.0.0, Port: {port}, Workers: {settings.SERVER_WORKERS}, Reload: {settings.SERVER_RELOAD}")
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end_time = time.time()
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# 启动服务器
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uvicorn.run(
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"app:app",
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host="0.0.0.0",
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port=port,
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reload=settings.SERVER_RELOAD, # 使用SERVER_RELOAD而不是DEBUG
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workers=settings.SERVER_WORKERS
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)
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