9ebb52f769
After removal of apiclient from oslo-incubator, it was copied to magnumclient repo with following patch: https://review.openstack.org/#/c/280050 Most of the Classes/Methods from apiclient.base are not used, so with this patch they are removed. Change-Id: I1779a11f00e8652620e3c41a46ddefd4344d404a Closes-Bug: #1644167
109 lines
3.4 KiB
Python
109 lines
3.4 KiB
Python
# Copyright 2010 Jacob Kaplan-Moss
|
|
# Copyright 2011 OpenStack Foundation
|
|
# Copyright 2012 Grid Dynamics
|
|
# Copyright 2013 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.
|
|
|
|
"""
|
|
Base utilities to build API operation managers and objects on top of.
|
|
"""
|
|
|
|
import copy
|
|
|
|
|
|
class Resource(object):
|
|
"""Base class for OpenStack resources (tenant, user, etc.).
|
|
|
|
This is pretty much just a bag for attributes.
|
|
"""
|
|
|
|
def __init__(self, manager, info, loaded=False):
|
|
"""Populate and bind to a manager.
|
|
|
|
:param manager: BaseManager object
|
|
:param info: dictionary representing resource attributes
|
|
:param loaded: prevent lazy-loading if set to True
|
|
"""
|
|
self.manager = manager
|
|
self._info = info
|
|
self._add_details(info)
|
|
self._loaded = loaded
|
|
|
|
def __repr__(self):
|
|
reprkeys = sorted(k
|
|
for k in self.__dict__.keys()
|
|
if k[0] != '_' and k != 'manager')
|
|
info = ", ".join("%s=%s" % (k, getattr(self, k)) for k in reprkeys)
|
|
return "<%s %s>" % (self.__class__.__name__, info)
|
|
|
|
def _add_details(self, info):
|
|
for (k, v) in info.items():
|
|
try:
|
|
setattr(self, k, v)
|
|
self._info[k] = v
|
|
except AttributeError:
|
|
# In this case we already defined the attribute on the class
|
|
pass
|
|
|
|
def __getattr__(self, k):
|
|
if k not in self.__dict__:
|
|
# NOTE(bcwaldon): disallow lazy-loading if already loaded once
|
|
if not self.is_loaded():
|
|
self.get()
|
|
return self.__getattr__(k)
|
|
|
|
raise AttributeError(k)
|
|
else:
|
|
return self.__dict__[k]
|
|
|
|
def get(self):
|
|
"""Support for lazy loading details.
|
|
|
|
Some clients, such as novaclient have the option to lazy load the
|
|
details, details which can be loaded with this function.
|
|
"""
|
|
# set_loaded() first ... so if we have to bail, we know we tried.
|
|
self.set_loaded(True)
|
|
if not hasattr(self.manager, 'get'):
|
|
return
|
|
|
|
new = self.manager.get(self.id)
|
|
if new:
|
|
self._add_details(new._info)
|
|
self._add_details(
|
|
{'x_request_id': self.manager.client.last_request_id})
|
|
|
|
def __eq__(self, other):
|
|
if not isinstance(other, Resource):
|
|
return NotImplemented
|
|
# two resources of different types are not equal
|
|
if not isinstance(other, self.__class__):
|
|
return False
|
|
if hasattr(self, 'id') and hasattr(other, 'id'):
|
|
return self.id == other.id
|
|
return self._info == other._info
|
|
|
|
def __ne__(self, other):
|
|
return not self.__eq__(other)
|
|
|
|
def is_loaded(self):
|
|
return self._loaded
|
|
|
|
def set_loaded(self, val):
|
|
self._loaded = val
|
|
|
|
def to_dict(self):
|
|
return copy.deepcopy(self._info)
|