bin/update/uncompress_mar.py

   1 #!/usr/bin/env python3
   2 # -*- tab-width: 4; indent-tabs-mode: nil; py-indent-offset: 4 -*-
   3 #
   4 # This file is part of the LibreOffice project.
   5 #
   6 # This Source Code Form is subject to the terms of the Mozilla Public
   7 # License, v. 2.0. If a copy of the MPL was not distributed with this
   8 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   9 #
  10
  11 # Extract a mar file and uncompress the content
  12
  13 import os
  14 import re
  15 import sys
  16 import subprocess
  17 from path import convert_to_native
  18
  19
  20 def uncompress_content(file_path):
  21     bzip2 = os.environ.get('BZIP2', 'bzip2')
  22     file_path_compressed = file_path + ".bz2"
  23     os.rename(file_path, file_path_compressed)
  24     subprocess.check_call([bzip2, "-d", convert_to_native(file_path_compressed)])
  25
  26
  27 def extract_mar(mar_file, target_dir):
  28     mar = os.environ.get('MAR', 'mar')
  29     subprocess.check_call([mar, "-C", convert_to_native(target_dir), "-x", convert_to_native(mar_file)])
  30     file_info = subprocess.check_output([mar, "-t", convert_to_native(mar_file)])
  31     lines = file_info.splitlines()
  32     prog = re.compile(r"\d+\s+\d+\s+(.+)")
  33     for line in lines:
  34         match = prog.match(line.decode("utf-8", "strict"))
  35         if match is None:
  36             continue
  37         info = match.groups()[0]
  38         # ignore header line
  39         if info == b'NAME':
  40             continue
  41
  42         uncompress_content(os.path.join(target_dir, info))
  43
  44
  45 def main():
  46     if len(sys.argv) != 3:
  47         print("Help: This program takes exactly two arguments pointing to a mar file and a target location")
  48         sys.exit(1)
  49
  50     mar_file = sys.argv[1]
  51     target_dir = sys.argv[2]
  52     extract_mar(mar_file, target_dir)
  53
  54
  55 if __name__ == "__main__":
  56     main()
  57
  58 # vim: set shiftwidth=4 softtabstop=4 expandtab: