tools/android/remove_strings.py

   1 #!/usr/bin/python
   2 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
   3 # Use of this source code is governed by a BSD-style license that can be
   4 # found in the LICENSE file.
   5
   6 """Remove strings by name from a GRD file."""
   7
   8 import optparse
   9 import re
  10 import sys
  11
  12
  13 def RemoveStrings(grd_path, string_names):
  14   """Removes strings with the given names from a GRD file. Overwrites the file.
  15
  16   Args:
  17     grd_path: path to the GRD file.
  18     string_names: a list of string names to be removed.
  19   """
  20   with open(grd_path, 'r') as f:
  21     grd = f.read()
  22   names_pattern = '|'.join(map(re.escape, string_names))
  23   pattern = r'<message [^>]*name="(%s)".*?</message>\s*' % names_pattern
  24   grd = re.sub(pattern, '', grd, flags=re.DOTALL)
  25   with open(grd_path, 'w') as f:
  26     f.write(grd)
  27
  28
  29 def ParseArgs(args):
  30   usage = 'usage: %prog GRD_PATH...'
  31   parser = optparse.OptionParser(
  32       usage=usage, description='Remove strings from GRD files. Reads string '
  33       'names from stdin, and removes strings with those names from the listed '
  34       'GRD files.')
  35   options, args = parser.parse_args(args=args)
  36   if not args:
  37     parser.error('must provide GRD_PATH argument(s)')
  38   return args
  39
  40
  41 def main(args=None):
  42   grd_paths = ParseArgs(args)
  43   strings_to_remove = filter(None, map(str.strip, sys.stdin.readlines()))
  44   for grd_path in grd_paths:
  45     RemoveStrings(grd_path, strings_to_remove)
  46
  47
  48 if __name__ == '__main__':
  49   main()