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72 lines
1.7 KiB
72 lines
1.7 KiB
8 years ago
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# -*- coding: utf-8 -*-
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#
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# 2017 Darko Poljak (darko.poljak at gmail.com)
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#
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# This file is part of cdist.
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#
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# cdist 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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# cdist 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 cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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#
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import cdist
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import tarfile
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import os
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import glob
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import tempfile
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_ARCHIVING_MODES = {
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'tar': '',
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'tgz': 'gz',
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'tbz2': 'bz2',
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'txz': 'xz',
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}
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_UNARCHIVE_OPT = {
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'tar': None,
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'tgz': '-z',
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'tbz2': '-j',
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'txz': '-J',
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}
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# Archiving will be enabled if directory contains more than FILES_LIMIT files.
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FILES_LIMIT = 1
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def get_extract_option(mode):
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return _UNARCHIVE_OPT[mode]
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def tar(source, mode="tgz"):
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if mode not in _ARCHIVING_MODES:
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raise cdist.Error("Unsupported archiving mode {}.".format(mode))
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files = glob.glob1(source, '*')
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fcnt = len(files)
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if fcnt <= FILES_LIMIT:
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return None, fcnt
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tarmode = 'w:{}'.format(_ARCHIVING_MODES[mode])
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_, tarpath = tempfile.mkstemp(suffix='.' + mode)
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with tarfile.open(tarpath, tarmode, dereference=True) as tar:
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if os.path.isdir(source):
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for f in files:
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tar.add(os.path.join(source, f), arcname=f)
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else:
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tar.add(source)
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return tarpath, fcnt
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