MQTT Web Socket in python

0 votes

So, I'm trying to connect with this code but this paho library does not work for it.

 import sys
 import paho.mqtt.client as mqtt

 def on_connect(mqttc, obj, flags, rc):
     print("rc: "+str(rc))

 def on_message(mqttc, obj, msg):
     print(msg.topic+" "+str(msg.qos)+" "+str(msg.payload))

 def on_publish(mqttc, obj, mid):
     print("mid: "+str(mid))

 def on_subscribe(mqttc, obj, mid, granted_qos):
     print("Subscribed: "+str(mid)+" "+str(granted_qos))

 def on_log(mqttc, obj, level, string):

 mqttc = mqtt.Client()   
 mqttc.on_message = on_message
 mqttc.on_connect = on_connect
 mqttc.on_publish = on_publish
 mqttc.on_subscribe = on_subscribe
 mqttc.connect("", 8080, 60)
 mqttc.subscribe("test/iot", 0)


Is there support in python to subscribe to the MQTT broker with port 8080?

Apr 15, 2019 in IoT (Internet of Things) by Upasana
• 8,620 points

1 answer to this question.

0 votes

You can simply create a configuration file for example in


with the following contents:

listener 1883
protocol mqtt

listener 9001
protocol websockets

then run mosquito with the following

mosquitto -c /etc/mosquitto/mosquitto.conf

You should get this output:

1469015320: mosquitto version 1.4.8 (build date 2016-05-3112:07:40+0200) starting
1469015320: Config loaded from /etc/mosquitto/mosquitto1.conf.
1469015320: Opening ipv4 listen socket on port 1883.
1469015320: Opening ipv6 listen socket on port 1883.
1469015320: Opening websockets listen socket on port 9001.

Your python client then connects to port 1883 and the browser client to 9001

answered Apr 15, 2019 by Shubham
• 13,480 points

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