Update Keystone code from official Github repository with branch Master on 09/01/2015.

Change-Id: I0ff6099e6e2580f87f502002a998bbfe12673498

1 files changed, 17 insertions, 6 deletions

diff --git a/keystone-moon/keystone/common/cache/_memcache_pool.py b/keystone-moon/keystone/common/cache/_memcache_pool.py
index b15332db..2bfcc3bb 100644
--- a/keystone-moon/keystone/common/cache/_memcache_pool.py
+++ b/keystone-moon/keystone/common/cache/_memcache_pool.py
@@ -27,7 +27,7 @@ import time
 
 import memcache
 from oslo_log import log
-from six.moves import queue
+from six.moves import queue, zip
 
 from keystone import exception
 from keystone.i18n import _
@@ -35,11 +35,22 @@ from keystone.i18n import _
 
 LOG = log.getLogger(__name__)
 
-# This 'class' is taken from http://stackoverflow.com/a/22520633/238308
-# Don't inherit client from threading.local so that we can reuse clients in
-# different threads
-_MemcacheClient = type('_MemcacheClient', (object,),
-                       dict(memcache.Client.__dict__))
+
+class _MemcacheClient(memcache.Client):
+    """Thread global memcache client
+
+    As client is inherited from threading.local we have to restore object
+    methods overloaded by threading.local so we can reuse clients in
+    different threads
+    """
+    __delattr__ = object.__delattr__
+    __getattribute__ = object.__getattribute__
+    __new__ = object.__new__
+    __setattr__ = object.__setattr__
+
+    def __del__(self):
+        pass
+
 
 _PoolItem = collections.namedtuple('_PoolItem', ['ttl', 'connection'])