All the code in one batch

src/message/message.py

@@ -1,3 +1,21 @@
+from update import update
+
+    
 class Message:
     def update_model(self, model):
-        raise NotImplementedError("This message does not implement update_model method")
+        raise NotImplementedError("This message does not implement update_model method")
+    
+    def reset(self):
+        return True
+        
+        
+class ClickMessage(Message):
+    def __init__(self, event):
+        event.stopPropagation();
+        
+
+def msg(message_class, params):
+    def callback(event):
+        message_instance = message_class(event, params)
+        update.schedule(message_instance)
+    return callback