Created
May 27, 2019 06:07
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Simple Python MQTT communication
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| # source: https://mntolia.com/mqtt-python-with-paho-mqtt-client/ | |
| # source: http://www.steves-internet-guide.com/into-mqtt-python-client/ | |
| import paho.mqtt.client as mqtt | |
| broker_host = "iot.eclipse.org" | |
| broker_port = 1883 | |
| def on_connect(client, userdata, flags, rc): | |
| print("Connected with result code: "+str(rc)) | |
| def on_disconnect(client, userdata, rc): | |
| print("Client got disconnected") | |
| def on_message(client, userdata, message): | |
| print("Message received: "+str(message.payload.decode())) | |
| print("Topic: "+str(message.topic)) | |
| print("QOS: "+str(message.qos)) | |
| print("Retain flag: "+str(message.retain)) | |
| client = mqtt.Client() | |
| client.on_connect = on_connect | |
| client.on_disconnect = on_disconnect | |
| client.on_message = on_message | |
| client.connect(broker_host, broker_port) | |
| # subscribe | |
| client.subscribe("topic/abc/1", qos=1) | |
| client.loop_forever() |
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| # source: https://mntolia.com/mqtt-python-with-paho-mqtt-client/ | |
| # source: http://www.steves-internet-guide.com/into-mqtt-python-client/ | |
| import paho.mqtt.client as mqtt | |
| broker_host = "iot.eclipse.org" | |
| broker_port = 1883 | |
| client = mqtt.Client() | |
| client.connect(broker_host, broker_port) | |
| # publish | |
| client.publish(topic="topic/abc/1", payload="ABC 123 DEF", qos=1, retain=False) | |
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