Merge "Use Resource class from Oslo"

This commit is contained in:
Jenkins
2014-02-19 23:17:22 +00:00
committed by Gerrit Code Review

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@@ -26,7 +26,7 @@ import six
from six.moves import urllib
from keystoneclient import exceptions
from keystoneclient.openstack.common import strutils
from keystoneclient.openstack.common.apiclient import base
def getid(obj):
@@ -385,82 +385,11 @@ class CrudManager(Manager):
return rl[0]
class Resource(object):
class Resource(base.Resource):
"""Base class for OpenStack resources (tenant, user, etc.).
This is pretty much just a bag for attributes.
"""
HUMAN_ID = False
NAME_ATTR = 'name'
def __init__(self, manager, info, loaded=False):
"""Populate and bind to a manager.
:param manager: Manager object
:param info: dictionary representing resource attributes
:param loaded: prevent lazy-loading if set to True
"""
self.manager = manager
self._info = {}
self._add_details(info)
self._loaded = loaded
@property
def human_id(self):
"""Human-readable ID which can be used for bash completion.
"""
if self.NAME_ATTR in self.__dict__ and self.HUMAN_ID:
return strutils.to_slug(getattr(self, self.NAME_ATTR))
return None
def _add_details(self, info):
for (k, v) in six.iteritems(info):
setattr(self, k, v)
self._info[k] = v
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 __repr__(self):
reprkeys = sorted(k for k in self.__dict__ 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 get(self):
# 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)
def delete(self):
return self.manager.delete(self)
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 is_loaded(self):
return self._loaded
def set_loaded(self, val):
self._loaded = val