Publish on RabbitMQ Queue using Python

publish.py

#!/usr/bin/python3

import pika, os, logging, json

logging.basicConfig()

credentials = pika.PlainCredentials('user', 's3cre7')
parameters = pika.ConnectionParameters('localhost',
                                   5672,
                                   '/',
                                   credentials)

connection = pika.BlockingConnection(parameters) # Connect to CloudAMQP
channel = connection.channel() # start a channel

channel.queue_declare(queue='queue-name', durable=True) # Declare a queue

for x in range(100):
    mensagem = {
        "pattern": "queue-name",
        "data": {
            "descricao": "Message: " + str(x+1)
        }
    }
    channel.basic_publish(exchange='', routing_key='queue-name', body=json.dumps(mensagem))

    print ("[x] Message " + str(x+1) + " sent to consumer")

connection.close()