patool/patoolib/programs/gzip.py

# -*- coding: utf-8 -*-
# Copyright (C) 2010-2015 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 gzip program."""
from . import extract_singlefile_standard, test_singlefile_standard
from .. import util

extract_gzip = extract_compress = extract_singlefile_standard
test_gzip = test_compress = test_singlefile_standard


def create_gzip(archive, compression, cmd, verbosity, interactive, filenames):
    """Create a GZIP archive."""
    cmdlist = [util.shell_quote(cmd)]
    if verbosity > 1:
        cmdlist.append('-v')
    cmdlist.extend(['-c', '-9', '--'])
    cmdlist.extend([util.shell_quote(x) for x in filenames])
    cmdlist.extend(['>', util.shell_quote(archive)])
    return (cmdlist, {'shell': True})


def list_gzip (archive, compression, cmd, verbosity, interactive):
    """List a GZIP archive."""
    cmdlist = [cmd]
    if verbosity > 0:
        cmdlist.append('-v')
    cmdlist.extend(['-l', '--', archive])
    return cmdlist