Sync with oslo-incubator caed79d

This syncs python-keystoneclient with oslo-incubator commit hash
caed79d8239679cb74476bb0d9e5011b4fcc39da

First, remove the existing code to cleanup:
 $ rm -r keystoneclient/openstack/*

Then, sync from oslo-incubator:
 $ python update.py ../python-keystoneclient

Commits since last sync (2640847):
----------------------------------
1173e46 Remove ValueError when accessing sys.modules
90ae24b Remove redundant default=None for config options
18f2bc1 Enforce unicode json output for jsonutils.load[s]()
4a777e5 Fix warnings in doc build for apiclient

Related-Bug: #1315523
Closes-Bug: #1314129
Change-Id: Id53ea2d4828e81bc6270f186849f391e7bc73101

keystoneclient/openstack/common/apiclient/auth.py

@@ -213,8 +213,8 @@ class BaseAuthPlugin(object):
         :type service_type: string
         :param endpoint_type: Type of endpoint.
                               Possible values: public or publicURL,
-                                  internal or internalURL,
-                                  admin or adminURL
+                              internal or internalURL,
+                              admin or adminURL
         :type endpoint_type: string
         :returns: tuple of token and endpoint strings
         :raises: EndpointException

keystoneclient/openstack/common/apiclient/base.py

@@ -75,8 +75,8 @@ class HookableMixin(object):
 
         :param cls: class that registers hooks
         :param hook_type: hook type, e.g., '__pre_parse_args__'
-        :param **args: args to be passed to every hook function
-        :param **kwargs: kwargs to be passed to every hook function
+        :param args: args to be passed to every hook function
+        :param kwargs: kwargs to be passed to every hook function
         """
         hook_funcs = cls._hooks_map.get(hook_type) or []
         for hook_func in hook_funcs:

keystoneclient/openstack/common/apiclient/client.py

@@ -47,6 +47,7 @@ class HTTPClient(object):
     """This client handles sending HTTP requests to OpenStack servers.
 
     Features:
+
     - share authentication information between several clients to different
       services (e.g., for compute and image clients);
     - reissue authentication request for expired tokens;
@@ -152,7 +153,7 @@ class HTTPClient(object):
         :param method: method of HTTP request
         :param url: URL of HTTP request
         :param kwargs: any other parameter that can be passed to
-'            requests.Session.request (such as `headers`) or `json`
+             requests.Session.request (such as `headers`) or `json`
              that will be encoded as JSON and used as `data` argument
         """
         kwargs.setdefault("headers", kwargs.get("headers", {}))
@@ -207,7 +208,7 @@ class HTTPClient(object):
         :param method: method of HTTP request
         :param url: URL of HTTP request
         :param kwargs: any other parameter that can be passed to
-'            `HTTPClient.request`
+            `HTTPClient.request`
         """
 
         filter_args = {

keystoneclient/openstack/common/importutils.py

@@ -24,10 +24,10 @@ import traceback
 def import_class(import_str):
     """Returns a class from a string including module and class."""
     mod_str, _sep, class_str = import_str.rpartition('.')
+    __import__(mod_str)
     try:
-        __import__(mod_str)
         return getattr(sys.modules[mod_str], class_str)
-    except (ValueError, AttributeError):
+    except AttributeError:
         raise ImportError('Class %s cannot be found (%s)' %
                           (class_str,
                            traceback.format_exception(*sys.exc_info())))

keystoneclient/openstack/common/jsonutils.py

@@ -31,6 +31,7 @@ This module provides a few things:
 '''
 
 
+import codecs
 import datetime
 import functools
 import inspect
@@ -52,6 +53,7 @@ import six.moves.xmlrpc_client as xmlrpclib
 
 from keystoneclient.openstack.common import gettextutils
 from keystoneclient.openstack.common import importutils
+from keystoneclient.openstack.common import strutils
 from keystoneclient.openstack.common import timeutils
 
 netaddr = importutils.try_import("netaddr")
@@ -166,12 +168,12 @@ def dumps(value, default=to_primitive, **kwargs):
     return json.dumps(value, default=default, **kwargs)
 
 
-def loads(s):
-    return json.loads(s)
+def loads(s, encoding='utf-8'):
+    return json.loads(strutils.safe_decode(s, encoding))
 
 
-def load(fp):
-    return json.load(fp)
+def load(fp, encoding='utf-8'):
+    return json.load(codecs.getreader(encoding)(fp))
 
 
 try:

keystoneclient/openstack/common/memorycache.py

@@ -22,7 +22,6 @@ from keystoneclient.openstack.common import timeutils
 
 memcache_opts = [
     cfg.ListOpt('memcached_servers',
-                default=None,
                 help='Memcached servers or None for in process cache.'),
 ]