server.py 文件源码

def run(self, arguments, settings, app):
        if arguments.reload:
            if not HAS_AUTORELOAD:
                sys.stderr.write(
                    'You must install aiohttp_autoreload for the --reload option to work.\n'
                    'Use `pip install aiohttp_autoreload` to install aiohttp_autoreload.\n'
                )
                return 1
            aiohttp_autoreload.start()

        port = arguments.port or settings.get('address', settings.get('port'))
        host = arguments.host or settings.get('host', '0.0.0.0')
        try:
            web.run_app(app, host=host, port=port, loop=self.get_loop(),
                        access_log_format=settings.get('access_log_format'))
        except asyncio.CancelledError:
            # server shut down, we're good here.
            pass