__init__.py 文件源码

def __get_node_info(self):
        if monotonic.monotonic() - self.__node_info_last >= 1:
            self.__node_info_last = monotonic.monotonic()
            try:
                self.__node_info = self.__node_info_sp().node_info
            except rospy.ServiceException:
                raise Exception("Could not connect to canros server.")
        return self.__node_info