wssclient.py 文件源码

def _connect_once(self):
        try:
            yield from self._connect()

        except ConnectionRefusedError:
            self.print_debug("connection refused ({})".format(self.address))

        except OSError:
            self.print_debug("connection failed ({})".format(self.address))

        except:
            exc_type, exc_value, exc_traceback = sys.exc_info()
            traceback.print_tb(exc_traceback, limit=1, file=sys.stdout)
            traceback.print_exception(exc_type, exc_value, exc_traceback,
                    file=sys.stdout)
            self.print_debug("connection failed ({})".format(self.address))