test.py 文件源码

def trigger_configuration(self):
        """
        Callback when the configuration button is clicked
        """
        topic_name, ok = QInputDialog.getItem(self._widget, "Select topic name", "Topic name",
                                              rostopic.find_by_type('sensor_msgs/Image'))
        if ok:
            self._create_subscriber(topic_name)

        available_rosservices = []
        for s in rosservice.get_service_list():
            try:
                if rosservice.get_service_type(s) in _SUPPORTED_SERVICES:
                    available_rosservices.append(s)
            except:
                pass

        srv_name, ok = QInputDialog.getItem(self._widget, "Select service name", "Service name", available_rosservices)
        if ok:
            self._create_service_client(srv_name)