2 files changed, 55 insertions, 9 deletions
diff --git a/openstackclient/common/command.py b/openstackclient/common/command.py
new file mode 100644
index 00000000..b8d9fc6f
--- /dev/null
+++ b/openstackclient/common/command.py
@@ -0,0 +1,42 @@
+#   Copyright 2016 NEC Corporation
+#
+#   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.
+
+import abc
+import logging
+
+from cliff import command
+from cliff import lister
+from cliff import show
+import six
+
+
+class CommandMeta(abc.ABCMeta):
+    def __new__(mcs, name, bases, cls_dict):
+        if 'log' not in cls_dict:
+            cls_dict['log'] = logging.getLogger(
+                cls_dict['__module__'] + '.' + name)
+        return super(CommandMeta, mcs).__new__(mcs, name, bases, cls_dict)
+
+
+@six.add_metaclass(CommandMeta)
+class Command(command.Command):
+    pass
+
+
+class Lister(Command, lister.Lister):
+    pass
+
+
+class ShowOne(Command, show.ShowOne):
+    pass
diff --git a/openstackclient/common/utils.py b/openstackclient/common/utils.py
index 096c995b..3ae30c8f 100644
--- a/openstackclient/common/utils.py
+++ b/openstackclient/common/utils.py
@@ -26,28 +26,32 @@ from oslo_utils import importutils
 from openstackclient.common import exceptions
 
 
-def log_method(log, level=logging.DEBUG):
-    """Logs a method and its arguments when entered."""
+class log_method(object):
 
-    def decorator(func):
+    def __init__(self, log=None, level=logging.DEBUG):
+        self._log = log
+        self._level = level
+
+    def __call__(self, func):
         func_name = func.__name__
+        if not self._log:
+            self._log = logging.getLogger(func.__class__.__name__)
 
         @six.wraps(func)
-        def wrapper(self, *args, **kwargs):
-            if log.isEnabledFor(level):
+        def wrapper(*args, **kwargs):
+            if self._log.isEnabledFor(self._level):
                 pretty_args = []
                 if args:
                     pretty_args.extend(str(a) for a in args)
                 if kwargs:
                     pretty_args.extend(
                         "%s=%s" % (k, v) for k, v in six.iteritems(kwargs))
-                log.log(level, "%s(%s)", func_name, ", ".join(pretty_args))
-            return func(self, *args, **kwargs)
+                self._log.log(self._level, "%s(%s)",
+                              func_name, ", ".join(pretty_args))
+            return func(*args, **kwargs)
 
         return wrapper
 
-    return decorator
-
 
 def find_resource(manager, name_or_id, **kwargs):
     """Helper for the _find_* methods.