serving.py 文件源码

def serve_forever(self):
        self.shutdown_signal = False
        try:
            if os.environ.get('WERKZEUG_RUN_MAIN') != 'true':
                display_hostname = self.host != '*' and self.host or 'localhost'
                if ':' in display_hostname:
                    display_hostname = '[%s]' % display_hostname
                quit_msg = '(Press CTRL+C to quit)'
                _log('info', ' * Running on %s://%s:%d/ %s',
                     self.ssl_context is None and 'http' or 'https',
                     display_hostname, self.port, quit_msg)
            HTTPServer.serve_forever(self)
        except KeyboardInterrupt:
            pass
        finally:
            self.server_close()