50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2010 Bastian Kleineidam
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""Archive commands for the GNU tar program."""
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def extract_tar (archive, encoding, cmd, **kwargs):
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"""Extract a TAR archive."""
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cmdlist = [cmd, '--extract']
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add_tar_opts(cmdlist, encoding, kwargs['verbose'])
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cmdlist.extend(["--file", archive, '--directory', kwargs['outdir']])
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return cmdlist
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def list_tar (archive, encoding, cmd, **kwargs):
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"""List a TAR archive."""
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cmdlist = [cmd, '--list']
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add_tar_opts(cmdlist, encoding, kwargs['verbose'])
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cmdlist.extend(["--file", archive])
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return cmdlist
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test_tar = list_tar
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def create_tar (archive, encoding, cmd, *args, **kwargs):
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"""Create a TAR archive."""
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cmdlist = [cmd, '--create']
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add_tar_opts(cmdlist, encoding, kwargs['verbose'])
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cmdlist.extend(["--file", archive, '--'])
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cmdlist.extend(args)
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return cmdlist
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def add_tar_opts (cmdlist, encoding, verbose):
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if encoding == 'lzip':
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# use compress-program option
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cmdlist.extend(['--use-compress-program', encoding])
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elif encoding:
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cmdlist.append('--%s' % encoding)
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if verbose:
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cmdlist.append('--verbose')
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