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

chrome/common/extensions/docs/server2/subversion_file_system.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.
 
 from file_system import FileSystem, FileNotFoundError, StatInfo, ToUnicode
 from future import Future
 import logging
 import re
 import xml.dom.minidom as xml
 from xml.parsers.expat import ExpatError
 
-# Sometimes we get bad data and end up caching it. Increment this so that
-# CachingFileSystem (if one is attached) knows to re-fetch.
-#
-# WARNING: This is a VERY EXPENSIVE number to bump. ONLY do so if the data
-# returned by these operations changes, DESPITE WHAT THE PRESUBMIT WARNING
-# MIGHT TELL YOU!
-_VERSION = 1
-
 class _AsyncFetchFuture(object):
   def __init__(self, paths, fetcher, binary):
     # A list of tuples of the form (path, Future).
     self._fetches = [(path, fetcher.FetchAsync(path)) for path in paths]
     self._value = {}
     self._error = None
     self._binary = binary
 
   def _ListDir(self, directory):
     dom = xml.parseString(directory)
@@ skipping 97 matching lines @@
     if result.status_code == 404:
       raise FileNotFoundError(
           'Got 404 when fetching %s from %s for Stat' % (path, directory))
     stat_info = self._CreateStatInfo(result.content)
     if not path.endswith('/'):
       filename = path.rsplit('/', 1)[-1]
       if filename not in stat_info.child_versions:
         raise FileNotFoundError('%s was not in child versions' % filename)
       stat_info.version = stat_info.child_versions[filename]
     return stat_info
-
-  @classmethod
-  def GetVersion(cls):
-    return _VERSION