autoreload.py 文件源码

def _restart_application_with_autoreload():
    while True:
        new_environ = os.environ.copy()
        new_environ['RUN_MAIN_APP'] = 'true'
        exit_code = os.spawnve(
            os.P_WAIT,
            sys.executable,
            [sys.executable] + sys.argv,
            new_environ
        )
        if exit_code != RELOAD_EXIT_CODE:
            return exit_code