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

   1 # Copyright 2013 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 class Patcher(object):
   6   def GetPatchedFiles(self, version=None):
   7     '''Returns patched files as(added_files, deleted_files, modified_files)
   8     from the patchset specified by |version|.
   9     '''
  10     raise NotImplementedError(self.__class__)
  11
  12   def GetVersion(self):
  13     '''Returns patch version. Returns None when nothing is patched by the
  14     patcher.
  15     '''
  16     raise NotImplementedError(self.__class__)
  17
  18   def Apply(self, paths, file_system, version=None):
  19     '''Apply the patch to added/modified files. Returns Future with patched
  20     data. Throws FileNotFoundError if |paths| contains deleted files.
  21     '''
  22     raise NotImplementedError(self.__class__)
  23
  24   def GetIdentity(self):
  25     '''Returns a string that identifies this patch. Typically it would be the
  26     codereview server's ID for this patch.
  27     '''
  28     raise NotImplementedError(self.__class__)