dogmaster/mqtt.py

import random

import paho.mqtt.client as mqtt
import paho.mqtt.publish as publish


# The callback for when the client receives a CONNACK response from the server.
def on_connect(client, userdata, flags, reason_code, properties):
    print(f"Connected with result code {reason_code}")
    # Subscribing in on_connect() means that if we lose the connection and
    # reconnect then subscriptions will be renewed.
    #client.subscribe("$SYS/#")
    client.subscribe('test/topic')
    client.subscribe('homeassistant/status')
    publish.single('test/topic', 'Hello, MQTT!', hostname='192.168.188.30', auth={'username': 'mqtt', 'password': 'mqtt'})


# The callback for when a PUBLISH message is received from the server.
def on_message(client, userdata, msg):
    if str(msg.payload) == "b'temperature'":
        publish.single('homeassistant/sensor/temperature/state', str(random.randint(0, 30)), hostname='192.168.188.30', auth={'username': 'mqtt', 'password': 'mqtt'})

mqttc = mqtt.Client(protocol=mqtt.MQTTv5)
mqttc.username_pw_set('mqtt', 'mqtt')
mqttc.on_connect = on_connect
mqttc.on_message = on_message

mqttc.connect("192.168.188.30", 1883, 60)

publish.single('test/topic', 'Hello, MQTT!', hostname='192.168.188.30', auth={'username': 'mqtt', 'password': 'mqtt'})
publish.single('test/topic/temp', '2', hostname='192.168.188.30', auth={'username': 'mqtt', 'password': 'mqtt'})

'''
publish.single(
    "homeassistant/sensor/temperature/state",
    payload="23.5",
    hostname="192.168.188.30",
    auth={"username": "mqtt", "password": "mqtt"}
)
'''
# Blocking call that processes network traffic, dispatches callbacks and
# handles reconnecting.
# Other loop*() functions are available that give a threaded interface and a
# manual interface.
mqttc.loop_forever()