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#!/usr/bin/env python
"""
declare_queues.py
Creates and binds a queue on an AMQP direct exchange.
All messages using the routing key "routing_key" are
sent to the queue named "message_queue".
"""
import qpid
import sys
from qpid.client import Client
from qpid.content import Content
from qpid.queue import Empty
#----- Initialization -----------------------------------
# Set parameters for login
host=len(sys.argv) > 1 and sys.argv[1] or "127.0.0.1"
port=len(sys.argv) > 2 and int(sys.argv[2]) or 5672
amqp_spec="/usr/share/amqp/amqp.0-10-preview.xml"
user="guest"
password="guest"
# Create a client and log in to it.
client = Client(host, port, qpid.spec.load(amqp_spec))
client.start({"LOGIN": user, "PASSWORD": password})
session = client.session()
session.session_open()
#----- Create a queue -------------------------------------
# queue_declare() creates an AMQP queue, which is held
# on the broker. Published messages are sent to the AMQP queue,
# from which messages are delivered to consumers.
#
# queue_bind() determines which messages are routed to a queue.
# Route all messages with the routing key "routing_key" to
# the AMQP queue named "message_queue".
session.queue_declare(queue="message_queue")
session.queue_bind(exchange="amq.direct", queue="message_queue", routing_key="routing_key")
#----- Cleanup ---------------------------------------------
session.session_close()
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