Devserver: have a separate ObjectStore namespace (both memcache and datastore)

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

 # Copyright (c) 2012 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.
 
 import logging
 import os
 
 from branch_utility import BranchUtility
 from docs_server_utils import FormatKey
 import compiled_file_system as compiled_fs
 from file_system import FileNotFoundError
 from third_party.handlebar import Handlebar
 import url_constants
 
-# Increment this if the data model changes for TemplateDataSource.
-_VERSION = 3
-
 EXTENSIONS_URL = '/chrome/extensions'
 
 def _MakeChannelDict(channel_name):
   channel_dict = {
     'channels': [{'name': name} for name in BranchUtility.GetAllBranchNames()],
     'current': channel_name
   }
   for channel in channel_dict['channels']:
     if channel['name'] == channel_name:
       channel['isCurrent'] = True
@@ skipping 26 matching lines @@
                  ref_resolver_factory,
                  public_template_path,
                  private_template_path):
       self._branch_info = _MakeChannelDict(channel_name)
       self._api_data_source_factory = api_data_source_factory
       self._api_list_data_source_factory = api_list_data_source_factory
       self._intro_data_source_factory = intro_data_source_factory
       self._samples_data_source_factory = samples_data_source_factory
       self._sidenav_data_source_factory = sidenav_data_source_factory
       self._cache = compiled_fs_factory.Create(self._CreateTemplate,
-                                               TemplateDataSource,
-                                               version=_VERSION)
+                                               TemplateDataSource)
       self._ref_resolver = ref_resolver_factory.Create()
       self._public_template_path = public_template_path
       self._private_template_path = private_template_path
       self._static_resources = '/%s/static' % channel_name
 
     def _CreateTemplate(self, template_name, text):
       return Handlebar(self._ref_resolver.ResolveAllLinks(text))
 
     def Create(self, request, path):
       """Returns a new TemplateDataSource bound to |request|.
@@ skipping 67 matching lines @@
   def get(self, key):
     return self.GetTemplate(self._private_template_path, key)
 
   def GetTemplate(self, base_path, template_name):
     try:
       return self._cache.GetFromFile(
           '/'.join((base_path, FormatKey(template_name))))
     except FileNotFoundError as e:
       logging.error(e)
       return None