Implement generating single messages from a queue

lib/tfw/networking/message_sender.py

@@ -44,3 +44,11 @@ class MessageSender:
             'key': self.queue_key,
             'data': data
         })
+
+    @staticmethod
+    def generate_messages_from_queue(queue_messsge):
+        for message in queue_messsge['data']['messages']:
+            yield {
+                'key': 'message',
+                'data': message
+            }