Docserver: Gitiles auth and cron refactoring.

chrome/common/extensions/docs/server2/data_source_registry.py

 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 from api_data_source import APIDataSource
 from api_list_data_source import APIListDataSource
 from data_source import DataSource
 from manifest_data_source import ManifestDataSource
 from owners_data_source import OwnersDataSource
 from permissions_data_source import PermissionsDataSource
@@ skipping 13 matching lines @@
   'manifest_source': ManifestDataSource,
   'owners': OwnersDataSource,
   'partials': PartialDataSource,
   'permissions': PermissionsDataSource,
   'samples': SamplesDataSource,
   'sidenavs': SidenavDataSource,
   'strings': StringsDataSource,
   'whatsNew' : WhatsNewDataSource
 }
 
+
 assert all(issubclass(cls, DataSource)
            for cls in _all_data_sources.itervalues())
 
+
+def GetDataSourceNames():
+  return _all_data_sources.keys()
+
+
+def CreateDataSource(name, server_instance, request=None):
+  '''Create a single DataSource by name.'''
+  assert name in _all_data_sources
+  return _all_data_sources[name](server_instance, request)
+
+
 def CreateDataSources(server_instance, request=None):
   '''Create a dictionary of initialized DataSources. DataSources are
   initialized with |server_instance| and |request|. If the DataSources are
-  going to be used for Cron, |request| should be omitted.
+  going to be used for Refresh, |request| should be omitted.
 
   The key of each DataSource is the name the template system will use to access
   the DataSource.
   '''
   return dict((name, cls(server_instance, request))
               for name, cls in _all_data_sources.iteritems())