components/policy/tools/make_policy_zip.py

   1 #!/usr/bin/env python
   2 # Copyright (c) 2011 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 """Creates a zip archive with policy template files. The list of input files is
   7 extracted from a grd file with grit. This is to keep the length of input
   8 arguments below the limit on Windows.
   9 """
  10
  11 import optparse
  12 import os
  13 import sys
  14 import zipfile
  15
  16
  17 def add_files_to_zip(zip_file, base_dir, file_list):
  18   """Pack a list of files into a zip archive, that is already
  19   opened for writing.
  20
  21   Args:
  22     zip_file: An object representing the zip archive.
  23     base_dir: Base path of all the files in the real file system.
  24     files: List of file paths to add, all relative to base_dir.
  25         The zip entries will only contain this componenet of the path.
  26   """
  27   for file_path in file_list:
  28     zip_file.write(base_dir + file_path, file_path)
  29   return 0
  30
  31
  32 def get_grd_outputs(grit_cmd, grit_defines, grd_file, grd_strip_path_prefix):
  33   grit_path = os.path.join(os.getcwd(), os.path.dirname(grit_cmd))
  34   sys.path.append(grit_path)
  35   import grit_info
  36   outputs = grit_info.Outputs(grd_file, grit_defines,
  37                               'GRIT_DIR/../gritsettings/resource_ids')
  38   result = []
  39   for item in outputs:
  40     assert item.startswith(grd_strip_path_prefix)
  41     result.append(item[len(grd_strip_path_prefix):])
  42   return result
  43
  44
  45 def main(argv):
  46   """Pack a list of files into a zip archive.
  47
  48   Args:
  49     zip_path: The file name of the zip archive.
  50     base_dir: Base path of input files.
  51     locales: The list of locales that are used to generate the list of file
  52         names using INPUT_FILES.
  53   """
  54   parser = optparse.OptionParser()
  55   parser.add_option("--output", dest="output")
  56   parser.add_option("--basedir", dest="basedir")
  57   parser.add_option("--grit_info", dest="grit_info")
  58   parser.add_option("--grd_input", dest="grd_input")
  59   parser.add_option("--grd_strip_path_prefix", dest="grd_strip_path_prefix")
  60   parser.add_option("--extra_input", action="append", dest="extra_input",
  61                     default=[])
  62   parser.add_option("-D", action="append", dest="grit_defines", default=[])
  63   parser.add_option("-E", action="append", dest="grit_build_env", default=[])
  64   options, args = parser.parse_args(argv[1:])
  65
  66   if (options.basedir[-1] != '/'):
  67     options.basedir += '/'
  68   grit_defines = {}
  69   for define in options.grit_defines:
  70     grit_defines[define] = 1
  71
  72   file_list = options.extra_input
  73   file_list += get_grd_outputs(options.grit_info, grit_defines,
  74                                options.grd_input, options.grd_strip_path_prefix)
  75   zip_file = zipfile.ZipFile(options.output, 'w', zipfile.ZIP_DEFLATED)
  76   try:
  77     return add_files_to_zip(zip_file, options.basedir, file_list)
  78   finally:
  79     zip_file.close()
  80
  81
  82 if '__main__' == __name__:
  83   sys.exit(main(sys.argv))