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  • Committer: Robert Collins
  • Date: 2005-10-18 13:11:57 UTC
  • mfrom: (1185.16.72) (0.2.1)
  • Revision ID: robertc@robertcollins.net-20051018131157-76a9970aa78e927e
Merged Martin.

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bzrlib/atomicfile.py
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from warnings import warn
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from osutils import rename
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import errno
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class AtomicFile(object):
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    """A file that does an atomic-rename to move into place.
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        self.f.close()
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        self.f = None
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        try:
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            stat = os.lstat(self.realfilename)
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            os.chmod(self.tmpfilename, stat.st_mode)
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        except OSError, e:
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            if e.errno != errno.ENOENT:
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                raise
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        rename(self.tmpfilename, self.realfilename)
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