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Viewing changes to bzrlib/export/tar_exporter.py

  • Committer: Jelmer Vernooij
  • Date: 2011-03-13 20:47:03 UTC
  • mto: This revision was merged to the branch mainline in revision 5724.
  • Revision ID: jelmer@samba.org-20110313204703-k1i19fzqd1wcbavr
https://launchpad.net/bugs/551714
Support creating .tar.xz files.

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Lines of Context:
bzrlib/export/tar_exporter.py
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    else:
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        stream = gzip.GzipFile(dest.encode(osutils._fs_enc), 'w',
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            mtime=root_mtime)
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    ball = tarfile.open(None, 'w:', fileobj=stream)
 
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    ball = tarfile.open(None, 'w|', fileobj=stream)
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    export_tarball(tree, ball, root, subdir, filtered=filtered,
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                   force_mtime=force_mtime)
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    ball.close()
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    export_tarball(tree, ball, root, subdir, filtered=filtered,
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                   force_mtime=force_mtime)
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    ball.close()
 
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def txz_exporter(tree, dest, root, subdir, filtered=False, force_mtime=None):
 
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    """Export this tree to a new .tar.xz 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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    try:
 
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        import lzma
 
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    except ImportError, e:
 
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        raise errors.DependencyNotPresent('lzma', e)
 
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    if dest == '-':
 
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        raise errors.BzrError("Writing to stdout not supported for .tar.xz")
 
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    stream = lzma.LZMAFile(dest.encode(osutils._fs_enc), 'w')
 
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    ball = tarfile.open(None, 'w|', fileobj=stream)
 
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    export_tarball(tree, ball, root, subdir, filtered=filtered,
 
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                   force_mtime=force_mtime)
 
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    ball.close()
 
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