1#!/usr/bin/env python 2# Copyright (c) 2009 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# Extracts a single file from a CAB archive. 7 8import os 9import subprocess 10import sys 11 12if len(sys.argv) != 4: 13 print 'Usage: extract_from_cab.py cab_path archived_file output_dir' 14 sys.exit(1) 15 16[cab_path, archived_file, output_dir] = sys.argv[1:] 17 18# Invoke the Windows expand utility to extract the file. 19level = subprocess.call(['expand', cab_path, '-F:' + archived_file, output_dir]) 20if level != 0: 21 sys.exit(level) 22 23# The expand utility preserves the modification date and time of the archived 24# file. Touch the extracted file. This helps build systems that compare the 25# modification times of input and output files to determine whether to do an 26# action. 27os.utime(os.path.join(output_dir, archived_file), None) 28