def assert_liveliness(self) -> None: """ Manually assert that this Publisher is alive. If the QoS Liveliness policy is set to RMW_QOS_POLICY_LIVELINESS_MANUAL_BY_TOPIC, the application must call this at least as often as ``QoSProfile.liveliness_lease_duration``. """ _rclpy.rclpy_assert_liveliness(self.publisher_handle)
def assert_liveliness(self) -> None: """ Manually assert that this Publisher is alive. If the QoS Liveliness policy is set to MANUAL_BY_TOPIC, the application must call this at least as often as ``QoSProfile.liveliness_lease_duration``. """ with self.handle: _rclpy.rclpy_assert_liveliness(self.handle)