1 # Copyright (C) 2015, Ansgar Burchardt <ansgar@debian.org>
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 2 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License along
14 # with this program; if not, write to the Free Software Foundation, Inc.,
15 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 Helper methods to deal with (de)compressing files
28 def decompress_xz(input, output):
29 subprocess.check_call(["xz", "--decompress"], stdin=input, stdout=output)
31 def decompress_bz2(input, output):
32 subprocess.check_call(["bzip2", "--decompress"], stdin=input, stdout=output)
34 def decompress_gz(input, output):
35 subprocess.check_call(["gzip", "--decompress"], stdin=input, stdout=output)
39 '.bz2': decompress_bz2,
43 def decompress(input, output, filename=None):
47 base, ext = os.path.splitext(filename)
48 decompressor = decompressors.get(ext, None)
49 if decompressor is not None:
50 decompressor(input, output)
52 shutil.copyfileobj(input, output)