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  • Committer: Robert Collins
  • Date: 2007-11-07 13:10:37 UTC
  • mfrom: (2974 +trunk)
  • mto: This revision was merged to the branch mainline in revision 2975.
  • Revision ID: robertc@robertcollins.net-20071107131037-1sl8cq53pxb9qzhv
Merge bzr.dev.

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bzrlib/osutils.py
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from bzrlib import symbol_versioning
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from bzrlib.symbol_versioning import (
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    deprecated_function,
 
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    zero_ninetythree,
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    )
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from bzrlib.trace import mutter
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# OR with 0 on those platforms
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O_BINARY = getattr(os, 'O_BINARY', 0)
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# On posix, use lstat instead of stat so that we can
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# operate on broken symlinks. On Windows revert to stat.
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lstat = getattr(os, 'lstat', os.stat)
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def make_readonly(filename):
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    """Make a filename read-only."""
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    mod = lstat(filename).st_mode
 
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    mod = os.lstat(filename).st_mode
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    if not stat.S_ISLNK(mod):
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        mod = mod & 0777555
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        os.chmod(filename, mod)
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def make_writable(filename):
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    mod = lstat(filename).st_mode
 
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    mod = os.lstat(filename).st_mode
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    if not stat.S_ISLNK(mod):
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        mod = mod | 0200
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        os.chmod(filename, mod)
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        return pathjoin(F(p), e)
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@deprecated_function(zero_ninetythree)
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def backup_file(fn):
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    """Copy a file to a backup.
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