add version command

src/commands/version.py

@@ -0,0 +1,7 @@
+# -*- encoding: utf-8 -*-
+from .. import __version__
+
+
+def run(docker_hub_client, args):
+    """ The command to list repos of given org from docker hub """
+    print 'docker-hub ' + __version__

src/consts.py

@@ -10,7 +10,7 @@
  'page': 'The page of result to fetch',
  'status': 'To query for only builds with specified status'
 }
-VALID_METHODS = ['repos', 'tags', 'builds', 'users', 'queue']
+VALID_METHODS = ['repos', 'tags', 'builds', 'users', 'queue', 'version']
 VALID_DISPLAY_FORMATS = ['table', 'json']
 DOCKER_AUTH_FILE = '~/.docker/config.json'
 CONFIG_FILE = '~/.docker-hub/config.json'

src/libs/utils.py

@@ -81,9 +81,10 @@ def __init__(self, option_strings, dest, nargs=None, **kwargs):
         self.make_required = x
 
     def __call__(self, parser, namespace, values, option_string=None):
-        options_required = self.make_required[values]
-        for x in options_required:
-            x.required = True
+        if values in self.make_required:
+            options_required = self.make_required[values]
+            for x in options_required:
+                x.required = True
         try:
             setattr(namespace, self.dest, values)
             return super(CondAction, self).__call__(parser, namespace, values,