mod：删除不必要的代码

chat/views.py

-from django.shortcuts import render

mqtt/mqtt.py

 import paho.mqtt.client as mqtt
 from django.conf import settings
 from .utils import parse_proto
-from .signals import mqtt_message_received
 
 
 # *******************************************************

mqtt/signals.py

-import django.dispatch
-
-mqtt_message_received = django.dispatch.Signal(providing_args=['message']) 

mqtt/views.py

@@ -4,9 +4,7 @@ from django.shortcuts import render, redirect
 from django.dispatch import receiver
 
 from mqtt.mqtt import client as mqtt_client
-from mqtt.signals import mqtt_message_received
 
-MESSAGE = b""
 
 def publish_message(request):
     # request_data = json.loads(request.body)
@@ -14,16 +12,3 @@ def publish_message(request):
     msg = request.POST['msg']
     rc, mid = mqtt_client.publish(topic, msg)
     return JsonResponse({'code': rc})
-
-
-def index(request):
-    global MESSAGE
-    token = get_token(request)
-    return render(request, 'index.html', {'token': token, 'msg': MESSAGE.decode('utf-8')})
-
-
-@receiver(mqtt_message_received) 
-def show_message(sender, **kwargs):
-    global MESSAGE
-    print('Received message:', kwargs['message'])
-    MESSAGE = kwargs['message']