5ad95e9fd2
NOTE: * openstack/common/* should be synced from oslo, so i leave them untouched. * add (c) symbol for related lines, leave others untouched. Change-Id: I46a87c7f248d3468b1fdf5661411962faf2fb875 Fixes-Bug: #1214176
40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
# Copyright (c) 2011 OpenStack Foundation
|
|
# 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.
|
|
|
|
from cinderclient import base
|
|
from cinderclient import utils
|
|
|
|
|
|
class Extension(utils.HookableMixin):
|
|
"""Extension descriptor."""
|
|
|
|
SUPPORTED_HOOKS = ('__pre_parse_args__', '__post_parse_args__')
|
|
|
|
def __init__(self, name, module):
|
|
self.name = name
|
|
self.module = module
|
|
self._parse_extension_module()
|
|
|
|
def _parse_extension_module(self):
|
|
self.manager_class = None
|
|
for attr_name, attr_value in list(self.module.__dict__.items()):
|
|
if attr_name in self.SUPPORTED_HOOKS:
|
|
self.add_hook(attr_name, attr_value)
|
|
elif utils.safe_issubclass(attr_value, base.Manager):
|
|
self.manager_class = attr_value
|
|
|
|
def __repr__(self):
|
|
return "<Extension '%s'>" % self.name
|