Devserver: only populate data during cron jobs, meaning all data from instances

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
@@ skipping 116 matching lines @@
     if result.status_code == 404:
       raise FileNotFoundError(path)
     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(path)
       stat_info.version = stat_info.child_versions[filename]
     return stat_info
 
-  def GetVersion(self):
+  @classmethod
+  def GetVersion(cls):
     return _VERSION