Publishing to a rabbitmq exchange using pika BlockingConnection

rabbitmq_publish.py

# -*- coding: UTF-8 -*-
from pika import PlainCredentials, ConnectionParameters, BasicProperties
from pika.adapters import BlockingConnection

from django.conf import settings

credentials = PlainCredentials(
    settings.RABBIT["userid"], settings.RABBIT["password"])

parameters = ConnectionParameters(credentials=credentials,
host=settings.RABBIT["host"], port=settings.RABBIT["port"],
virtual_host=settings.RABBIT["virtual_host"])

connection = BlockingConnection(parameters)
channel = connection.channel()

channel.queue_declare(queue=settings.RABBIT["queue"], 
    durable=True, exclusive=False, auto_delete=False)

channel.basic_publish(exchange=settings.RABBIT["exchange"], 
    routing_key="mts.00000069", body=serialized_message, properties=BasicProperties(
        content_type="application/octect-stream", delivery_mode=2))

connection.close()