def _create_connection(self, type): transport = TTornadoStreamTransport(self.__host, self.__port) pfactory = TBinaryProtocolFactory() connection = self.__client_cls(transport, pfactory) rpc_connection = RPCConnection(self.__host + ':' + str(self.__port) + ':' + str(self.__weight), type, connection) try: transport.open() except Exception,e: pass