topic_tree_model.py

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# Copyright (c) 2011, Dorian Scholz, TU Darmstadt
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import roslib
import rospy

from .message_tree_model import MessageTreeModel


class TopicTreeModel(MessageTreeModel):

    def __init__(self, parent=None):
        super(TopicTreeModel, self).__init__(parent)
        self.refresh()

    def refresh(self):
        self.clear()
        topic_list = rospy.get_published_topics()
        for topic_path, topic_type in topic_list:
            topic_name = topic_path.strip('/')
            message_instance = roslib.message.get_message_class(topic_type)()
            self.add_message(message_instance, topic_name, topic_type, topic_path)