patool/patoolib/programs/star.py

56 lines
2.0 KiB
Python

# -*- coding: utf-8 -*-
# Copyright (C) 2010 Bastian Kleineidam
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""Archive commands for the star program."""
def extract_tar (archive, encoding, cmd, **kwargs):
"""Extract a TAR archive."""
cmdlist = [cmd, '-x']
add_star_opts(cmdlist, encoding, kwargs['verbose'])
cmdlist.extend(['-C', kwargs['outdir'], 'file=%s' % archive])
return cmdlist
def list_tar (archive, encoding, cmd, **kwargs):
"""List a TAR archive."""
cmdlist = [cmd, '-n']
add_star_opts(cmdlist, encoding, kwargs['verbose'])
cmdlist.append("file=%s" % archive)
return cmdlist
test_tar = list_tar
def create_tar (archive, encoding, cmd, *args, **kwargs):
"""Create a TAR archive."""
cmdlist = [cmd, '-c']
add_star_opts(cmdlist, encoding, kwargs['verbose'])
cmdlist.append("file=%s" % archive)
cmdlist.extend(args)
return cmdlist
def add_star_opts (cmdlist, encoding, verbose):
# Note that star autodetects encoding compression, but displays a warning
# which we want to avoie.
if encoding == 'gzip':
cmdlist.append('-z')
elif encoding == 'compress':
cmdlist.append('-Z')
elif encoding == 'bzip2':
cmdlist.append('-bz')
elif encoding in ('lzma', 'xz'):
# use compress-program option
cmdlist.append('compress-program=%s' % encoding)
if verbose:
cmdlist.append('-v')