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Creating a RabbitMQ Producer for the Houses App

Explore how to create a RabbitMQ producer in the Houses app using Pika. Understand connecting to RabbitMQ, defining publish functions, and integrating messaging in Django views to enable reliable event-driven communication.

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Creating a producer in the Houses app

In RabbitMQ, the word producer refers to any application or program that sends messages. Therefore, producing means sending.

To create a RabbitMQ producer in the Houses app, we'll create a file in the houses app folder named producer.py. We'll use Pika, a Python implementation of the AMQP 0-9-1 protocol for RabbitMQ, to connect our web application to RabbitMQ.

Then, we'll open the file and import pika and json, like so:

import pika, json

We can use pika to create a connection and define our publish function to publish our messages, as shown below:

Python
import pika, json
params = pika.URLParameters('((Your_AMQP_URL}}')
connection = pika.BlockingConnection(params)
channel = connection.channel()
def publish(method, body):
    properties = pika.BasicProperties(method)
    channel.basic_publish(exchange='', routing_key='core', body=json.dumps(body), properties=properties)
    ...