Filling in the RabbitMQ in Action Chapter 2 hello world producer

sylvilagus/sylvilagus/chapter02/hello_world_producer.py

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+from __future__ import print_function
+
+import sys
+
+import pika
+
+
+def main(args=sys.argv[:]):
+    credentials = pika.PlainCredentials('guest', 'guest')
+    conn_params = pika.ConnectionParameters('localhost',
+                                            credentials=credentials)
+    conn_broker = pika.BlockingConnection(conn_params)
+    channel = conn_broker.channel()
+    channel.exchange_declare(exchange='hello-exchange',
+                             type='direct',
+                             passive=False,
+                             durable=True,
+                             auto_delete=False)
+
+    msg = args[1]
+    msg_props = pika.BasicProperties()
+    msg_props.content_type = 'text/plain'
+
+    channel.basic_publish(body=msg,
+                          exchange='hello-exchange',
+                          properties=msg_props,
+                          routing_key='hola')
+    print('published {!r}'.format(msg))
+
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(main())