A python code to implement producer and consumer in async redis queue

message_queue_redis.py

import redis 
import sys
import time
import json
import random

redis_conn = redis.Redis(host='localhost', port=6379)

def producer():
    for i in range(20):
        functions = ['add', 'sub', 'mul', 'div']
        random_func = random.choice(functions)
        ranEl1 = random.randint(1,100)
        ranEl2 = random.randint(1,100)

        message = {
            'function':random_func,
            'num1':ranEl1,
            'num2':ranEl2,
        }

        message_json = json.dumps(message)
        redis_conn.lpush('queue', message_json)

        time.sleep(1)
        print("message sent")

class perform:

    def add(self, num1, num2):
        return num1 + num2
    def sub(self, num1, num2):
        return num1 - num2
    def mul(self, num1, num2):
        return num1 * num2
    def div(self, num1, num2):
        return num1 / num2

def consumer():
    p = perform()

    functions_map = {
        'add':p.add,
        'sub':p.sub,
        'mul':p.mul,
        'div':p.div
    }

    while True:
        message = redis_conn.rpop('queue')
        if message is not None:
            serialized_message = json.loads(message)
            print(functions_map[serialized_message['function']](serialized_message['num1'],serialized_message['num2']))
        

if __name__ == '__main__':
    if sys.argv[1] == 'producer':
        producer()
    else:
        consumer()