Python Subscribe: Basic Worker. Super Simple

subscribe.py

import multiprocessing
import requests

SUB_KEY  = 'demo'
CHANNELS = ['my_channel']

def main():
    mp = multiprocessing.Process(target=subscriber)
    mp.start()
    mp.join()

def subscriber():
    timetoken = '0' ## pointer to last message received
    while True:
        url = "/".join([
            'https://ps.pubnub.com/subscribe'
        ,   SUB_KEY
        ,   ",".join(CHANNELS)
        ,   '0'
        ,   timetoken
        ])

        print(url)

        response  = requests.get(url)
        data      = response.json()
        messages  = data[0]
        timetoken = data[1]

        print(data)

if __name__ == '__main__': main()