patool/patoolib/programs/cpio.py

60 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 cpio program."""
from patoolib import util
def extract_cpio (archive, encoding, cmd, **kwargs):
"""Extract a CPIO archive."""
cmdlist = [cmd]
cmdlist.append('--extract')
cmdlist.append('--make-directories')
cmdlist.append('--preserve-modification-time')
cmdlist.append('--no-absolute-filenames')
cmdlist.append('--force-local')
cmdlist.extend(['--nonmatching', '"*\.\.*"'])
if kwargs['verbose']:
cmdlist.append('-v')
cmdlist.extend(['<', archive])
cmd = " ".join([util.shell_quote(x) for x in cmdlist])
return (cmd, {'cwd': kwargs['outdir'], 'shell': True})
def list_cpio (archive, encoding, cmd, **kwargs):
"""List a CPIO archive."""
cmdlist = [cmd]
cmdlist.append('-t')
if kwargs['verbose']:
cmdlist.append('-v')
cmdlist.extend(['-F', archive])
return cmdlist
test_cpio = list_cpio
def create_cpio(archive, encoding, cmd, *args, **kwargs):
"""Create a CPIO archive."""
cmdlist = [cmd, '--create']
if kwargs['verbose']:
cmdlist.append('-v')
if len(args) != 0:
findcmd = ['find', '-print0']
findcmd.extend(args)
findcmd.append('|')
cmdlist[0:0] = findcmd
cmdlist.append('-0')
cmdlist.extend([">", archive])
cmd = " ".join([util.shell_quote(x) for x in cmdlist])
return (cmd, {'shell': True})