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gui.py
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58 lines (49 loc) · 1.65 KB
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import threading
from multiprocessing import Event, Process
from module.webui.setting import State
def func(ev: threading.Event):
import argparse
import uvicorn
State.restart_event = ev
parser = argparse.ArgumentParser()
parser.add_argument(
"--host",
type=str,
help="Host to listen. Default to WebuiHost in deploy setting",
)
parser.add_argument(
"-p",
"--port",
type=int,
help="Port to listen. Default to WebuiPort in deploy setting",
)
args, _ = parser.parse_known_args()
host = args.host or 'localhost'
port = args.port or 12271
uvicorn.run("module.webui.app:app", host=host, port=port, factory=True)
if __name__ == '__main__':
# func(None)
'''
https://blog.csdn.net/HAH_HAH/article/details/105276221
通过进程启动uvicorn，然后持续调用event.wait()，检查event是否调用过set()
在通过 git pull 更新成功后，uvicorn进程调用event.set()，这时主线程的event.wait(1)会返回True
在杀掉uvicorn进程后，重新启动，完成在不重新编译gui.py的情况下热更新
'''
should_exit = False
while not should_exit:
event = Event()
process = Process(target=func, args=(event,))
process.start()
while not should_exit:
try:
b = event.wait(1)
except KeyboardInterrupt:
should_exit = True
break
if b:
process.kill()
break
elif process.is_alive():
continue
else:
should_exit = True