zaqar/marconi/bootstrap.py
kgriffs a556f392c5 style: Fix flake8 and hacking errors
In the interest of conforming to the de-facto coding standard for
OpenStack projects, this patch enables all checks for flake8 and
hacking, plus fixes everything reported.

Also, several docstrings were edited for clarity and grammar.

Change-Id: If85c4e420811b6df8eb55de1b5f07a0a8acfceff
Implements: blueprint grizzly-debt
2013-05-07 09:31:20 -04:00

56 lines
1.7 KiB
Python

# Copyright (c) 2013 Rackspace, Inc.
#
# 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.
from marconi.common import config
from marconi.common import exceptions
from marconi.openstack.common import importutils
cfg_handle = config.project('marconi')
cfg = config.namespace('drivers').from_options(
transport='marconi.transport.wsgi',
storage='marconi.storage.sqlite')
class Bootstrap(object):
"""Defines the Marconi bootstrapper.
The bootstrap loads up drivers per a given configuration, and
manages their lifetimes.
"""
def __init__(self, config_file=None, cli_args=None):
cfg_handle.load(filename=config_file, args=cli_args)
self.storage_module = import_driver(cfg.storage)
self.transport_module = import_driver(cfg.transport)
self.storage = self.storage_module.Driver()
self.transport = self.transport_module.Driver(
self.storage.queue_controller,
self.storage.message_controller,
self.storage.claim_controller)
def run(self):
self.transport.listen()
def import_driver(module_name):
try:
return importutils.import_module(module_name)
except ImportError:
raise exceptions.InvalidDriver(
'No module named %s' % module_name)