plugin_interface.py 文件源码

def get_service_types(self, services):
        service_types = []
        for service in services:
            if service:
                try:
                    service_name_str = str(service[0])
                    service_type_str = rosservice.get_service_type(service_name_str)
                    if service_type_str is not None:
                        service_types.append([service_name_str, service_type_str])
                except rospy.ServiceException as e:
                    rospy.logerr("Information is invalid for the service : %s . %s" % (service_name_str, e))
                    continue
                except rospy.ServiceIOException as e:
                    rospy.logerr("Unable to communicate with service : %s . %s" % (service_name_str, e))
                    continue
        return service_types