class RpcClient(object):
def __init__(self):
self.response = None
self.connection = Connection()
self.channel = Channel(self.connection)
(self.queue, _, _) = self.channel.queue_declare(exclusive=True)
self.channel.queue_bind(self.queue, exchange='django_amqp_example')
def request(self, body):
message = Message(
body=json.dumps(body),
reply_to=self.queue,
content_type='application/json')
self.channel.basic_publish(
message,
exchange='django_amqp_example',
routing_key='task_queue')
print "Task submitted:", json.dumps(body)
def callback(msg):
self.response = json.loads(msg.body)
self.channel.basic_consume(
callback=callback,
queue=self.queue,
no_ack=True)
while True:
self.connection.drain_events(timeout=60)
if self.response is not None:
break
self.connection.close()
return self.response
import json
connection = Connection()
channel = Channel(connection)
channel.exchange_declare('django_amqp_example', 'topic', auto_delete=False)
channel.queue_declare(queue='task_queue', durable=True)
channel.queue_bind('task_queue', 'django_amqp_example', 'task_queue')
def callback(msg):
print "Received request:", msg.body
content = json.loads(msg.body)['content']
response = {
'rot13': content.encode('rot13')
}
response_msg = Message(
body=json.dumps(response),
exchange='django_amqp_example')
print "Sending response:", json.dumps(response)
channel.basic_publish(
response_msg,
routing_key=msg.reply_to)
channel.basic_consume(callback=callback, queue='task_queue')
print "Worker is waiting for requests"
while True:
connection.drain_events()
