Introduce mqttMessage object

mqtt.py

@@ -1,11 +1,12 @@
 import paho.mqtt.publish as publish
 
+
 class MqttClient:
   def __init__(self, config):
     self._config = config
 
   def publish(self, messages):
-    publish.multiple(messages,
+    publish.multiple(list(map(lambda m: m.as_dict, messages)),
                      hostname=self.hostname,
                      auth={'username': self.username, 'password': self.password})
 
@@ -20,3 +21,28 @@ class MqttClient:
   @property
   def password(self):
     return self._config['password']
+
+
+class MqttMessage:
+  def __init__(self, topic=None, payload=None):
+    self._topic = topic
+    self._payload = payload
+
+  @property
+  def topic(self):
+    return self._topic
+
+  @topic.setter
+  def topic(self, new_topic):
+    self._topic = new_topic
+
+  @property
+  def payload(self):
+    return self._payload
+
+  @property
+  def as_dict(self):
+    return {
+      'topic': self.topic,
+      'payload': self.payload
+    }