Add some exceptions

openstack/common/messaging/__init__.py

@@ -13,6 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from .exceptions import MessagingException
+from .exceptions import MessagingTimeout
 from .rpc.client import RPCClient
 from .rpc.server import BlockingRPCServer
 from .target import Target

openstack/common/messaging/exceptions.py

@@ -0,0 +1,21 @@
+
+# Copyright 2013 Red Hat, Inc.
+#
+#    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.
+
+class MessagingException(Exception):
+    pass
+
+
+class MessagingTimeout(MessagingException):
+    pass