publish.py

import paho.mqtt.client as mqtt
import sys
import json
from random import random
import ssl
import os
# This is the Publisher

data = json.dumps({
    'temperature' : random() * 20.0,
    'wind': random() * 10,
    'wind_direction' : [ "South", "North", "East", "West" ][int(random()*4)]
})


here = os.path.dirname(__file__)
ca_certs =  os.path.join(here, "iot-hub-ca.pem")
certfile =  os.path.join(here, "device1-crt.pem")
keyfile =   os.path.join(here, "device1-key.pem")
client_id = "<GUID_DEVICEID>"

client = mqtt.Client(client_id=client_id)
client.enable_logger()
client.tls_set(ca_certs=ca_certs, certfile=certfile, keyfile=keyfile, cert_reqs=ssl.CERT_REQUIRED,
    tls_version=ssl.PROTOCOL_TLS)
client.connect("iot.fr-par.scw.cloud",8883,60)

client.publish("topic/test", data )
client.disconnect();