test_mqtt.py

gistfile1.txt

import paho.mqtt.client as mqtt
import threading

ADDR="test.mosquitto.org"
TOPIC_NAME="flow_temp_pres"

def on_connect(client, userdata, flags, rc):
    print("Connected with result code "+str(rc))
    print(client.subscribe(TOPIC_NAME))

def on_message(client, userdata, msg):
    print("MESSAGE!", msg.topic+" "+ str(msg.payload.decode("utf-8")))

client = mqtt.Client()
client.on_connect = on_connect
client.on_message = on_message

client.reconnect_delay_set(1, 1)
client.connect(ADDR, 1883, 3)

client.loop_forever()