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

chrome/common/extensions/docs/server2/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.
 
 import os
 
 class FileNotFoundError(Exception):
   def __init__(self, filename):
     Exception.__init__(self, filename)
 
@@ skipping 45 matching lines @@
     return self.Read([path], binary=binary).Get()[path]
 
   # TODO(cduvall): Allow Stat to take a list of paths like Read.
   def Stat(self, path):
     '''Returns a |StatInfo| object containing the version of |path|. If |path|
     is a directory, |StatInfo| will have the versions of all the children of
     the directory in |StatInfo.child_versions|.
     '''
     raise NotImplementedError()
 
-  def GetVersion(self):
+  @classmethod
+  def GetName(cls):
+    '''The type of the file system, exposed for caching classes to namespace
+    their caches. It is unlikely that this needs to be overridden.
+    '''
+    return cls.__name__
+
+  @classmethod
+  def GetVersion(cls):
     '''The version of the file system, exposed for caching classes backed to
-    file systems. This is unlikely to change.
+    file systems. It is unlikely that this needs to be overridden.
     '''
     return None