CameraMachine/python/index.py

import sys
import uvicorn
import signal
from api import *
from sockets.socket_server import *
import uvicorn.loops.auto
import uvicorn.protocols.http.auto
import uvicorn.protocols.websockets.auto
import uvicorn.lifespan.on
from multiprocessing import Process, freeze_support

def handle_shutdown(signum, frame):
    """关闭系统应用服务"""
     # 终止事件循环
    loop = asyncio.get_event_loop()
    loop.call_soon_threadsafe(loop.stop)
    sys.exit(0)

if __name__ == "__main__":
    signal.signal(signal.SIGINT, handle_shutdown)
    signal.signal(signal.SIGTERM, handle_shutdown)
    # 控制台默认关闭输出信息，如果想要查看控制台输出，请单独启动服务 npm run dev-python
    print("python server is running at port:", PORT)
    # uvicorn会多创建一个进程，并且stdio独立于控制台，如果（开发时）出现进程没有关闭，可尝试关闭终端
    print("python server is running at port:", APP_RUN)
    isDebug = True if IS_DEBUG == "true" else False
    uvicorn.run(
        APP_RUN,
        host=APP_HOST,
        port=int(PORT),
        reload=isDebug,
        workers=int(APP_WORKS),
    )