Exemple #1
0
def _action_receiver(msg):

    global action_ids
    actions = _list_actions()

    rospy.loginfo("[RPpt][AIF] a message is received: '%d', '%s'" %
                  (msg.action_id, msg.name))
    rospy.loginfo(actions)

    if msg.name in actions:

        action_name = msg.name
        rospy.loginfo("[RPpt][AIF] start '%s' action" % action_name)

        try:
            action = actions[action_name](msg.action_id, msg.dispatch_time,
                                          feedback,
                                          keyval_to_dict(msg.parameters))
            action_ids[msg.action_id] = action

            if issubclass(action.__class__, ActionSink):
                action.execute(action_name, **keyval_to_dict(msg.parameters))
            else:
                action.execute(**keyval_to_dict(msg.parameters))

        except Exception as e:
            rospy.logwarn("[RPpt][AIF] action '%s' failed." % msg.name,
                          exc_info=1)
            feedback.publish(
                ActionFeedback(msg.action_id, "action failed",
                               dict_to_keyval(None)))
    elif msg.action_id in action_ids:

        operation = msg.name
        rospy.loginfo("[RPpt][AIF] update action '%d', doing '%s'" %
                      (msg.action_id, operation))

        if operation == "cancel_action":
            action_ids[msg.action_id].cancel()
        elif operation == "pause_action":
            action_ids[msg.action_id].pause()
        elif operation == "resume_action":
            action_ids[msg.action_id].resume()

    else:
        rospy.loginfo("[RPpt][AR] no operation")
def _generate_predicate(type_name, **kwargs):
    new_type_name, is_negative = _is_predicate_negative(type_name)
    return KnowledgeItem(KB_ITEM_FACT, "", "", new_type_name,
                         dict_to_keyval(kwargs), 0.0, is_negative)
def send_action(name, **kwargs):
    msg = ActionDispatch()
    msg.name = name
    msg.parameters = dict_to_keyval(kwargs)

    _action_dispatch_publisher.publish(msg)
Exemple #4
0
 def _feedback(self, status, info=None):
     self.feedback_pub.publish(
         ActionFeedback(self.action_id, status, dict_to_keyval(info)))