Files
homeassistantPi/mqtt/mqttSingleTest.py

50 lines
1.1 KiB
Python

# python 3.6
import random
import time
from paho.mqtt import client as mqtt_client
name = 'test'
broker = '192.168.0.196'
port = 1883
topic = "home/switch/test/config"
# generate client ID with pub prefix randomly
client_id = f'python-mqtt-{random.randint(0, 1000)}'
username = 'mqtt'
password = 'falrenforbreakfast'
def connect_mqtt():
def on_connect(client, userdata, flags, rc):
if rc == 0:
print("Connected to MQTT Broker!")
else:
print("Failed to connect, return code %d\n", rc)
client = mqtt_client.Client(client_id)
client.username_pw_set(username, password)
client.on_connect = on_connect
client.connect(broker, port)
return client
def publish(client):
msg = '{"name": "test", "device_class": "switch", "state_topic": "home/switch/test/state"}'
result = client.publish(topic, msg)
# result: [0, 1]
status = result[0]
if status == 0:
print(f"Send `{msg}` to topic `{topic}`")
else:
print(f"Failed to send message to topic {topic}")
def run():
client = connect_mqtt()
client.loop_start()
publish(client)
if __name__ == '__main__':
run()