1185.31.12
by John Arbash Meinel
Refactored the export code to make it easier to add new export formats. |
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# Copyright (C) 2005 Canonical Ltd
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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 2 of the License, or
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# (at your option) any later version.
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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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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Export a Tree to a non-versioned directory.
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"""
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import os |
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from bzrlib.trace import mutter |
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import tarfile |
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def tar_exporter(tree, dest, root, compression=None): |
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"""Export this tree to a new tar file.
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`dest` will be created holding the contents of this tree; if it
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already exists, it will be clobbered, like with "tar -c".
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"""
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from time import time |
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now = time() |
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compression = str(compression or '') |
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if root is None: |
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root = get_root_name(dest) |
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try: |
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ball = tarfile.open(dest, 'w:' + compression) |
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except tarfile.CompressionError, e: |
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raise BzrError(str(e)) |
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mutter('export version %r', tree) |
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inv = tree.inventory |
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for dp, ie in inv.iter_entries(): |
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mutter(" export {%s} kind %s to %s", ie.file_id, ie.kind, dest) |
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item, fileobj = ie.get_tar_item(root, dp, now, tree) |
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ball.addfile(item, fileobj) |
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ball.close() |
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def tgz_exporter(tree, dest, root): |
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tar_exporter(tree, dest, root, compression='gz') |
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def tbz_exporter(tree, dest, root): |
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tar_exporter(tree, dest, root, compression='bz2') |
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