/usr/share/pyshared/melange/common/messaging.py is in python-melange 2012.1~e4~20120126.11502-0ubuntu1.
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# Copyright 2011 OpenStack LLC.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import kombu.connection
from melange.common import config
from melange.common import utils
class Queue(object):
def __init__(self, name):
self.name = name
def __enter__(self):
self.connect()
return self
def __exit__(self, exc_type, exc_value, traceback):
self.close()
def connect(self):
self.conn = kombu.connection.BrokerConnection(
**queue_connection_options("ipv4_queue"))
def put(self, msg):
queue = self.conn.SimpleQueue(self.name, no_ack=True)
queue.put(msg)
def close(self):
self.conn.close()
def queue_connection_options(queue_type):
queue_params = config.Config.get_params_group(queue_type)
queue_params['ssl'] = utils.bool_from_string(queue_params.get('ssl',
"false"))
queue_params['port'] = int(queue_params.get('port', 5672))
return queue_params
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