Device.py 文件源码

def publish(self, payload):

    if payload is None:
      return

    if self.config["publish_changes_only"] is False or payload != self.last_payload:
      try:
        self.gateway.publish(self.topic, json.dumps(payload))
      except Exception as e:
        import sys
        sys.print_exception(e)
      self.last_payload = payload