Print version information dynamically

Change-Id: I10c135eb7378a30b44d24b58be3904ff000f0421

freezerclient/__init__.py

@@ -0,0 +1,17 @@
+#   Copyright 2012 OpenStack Foundation
+#
+#   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 pbr.version
+
+__version__ = pbr.version.VersionInfo('python-freezerclient').version_string()

freezerclient/shell.py

@@ -19,6 +19,7 @@ import sys
 from cliff import app
 from cliff import commandmanager
 
+import freezerclient
 from freezerclient.v1 import actions
 from freezerclient.v1 import backups
 from freezerclient.v1 import client
@@ -74,7 +75,7 @@ class FreezerShell(app.App):
     def __init__(self):
         super(FreezerShell, self).__init__(
             description='Python Freezer Client',
-            version='0.1',
+            version=freezerclient.__version__,
             deferred_help=True,
             command_manager=FreezerCommandManager(None),
         )