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Viewing changes to bzrlib/atomicfile.py

  • Committer: Martin Pool
  • Date: 2005-09-22 12:12:53 UTC
  • Revision ID: mbp@sourcefrog.net-20050922121253-eae2a3240ea5e493
- upgrade can no longer be done in current version branches
  so don't test it

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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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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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        rename(self.tmpfilename, self.realfilename)
 
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        if sys.platform == 'win32':
 
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            # windows cannot rename over an existing file
 
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            try:
 
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                os.remove(self.realfilename)
 
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            except OSError, e:
 
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                import errno
 
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                if e.errno != errno.ENOENT:
 
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                    raise
 
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        os.rename(self.tmpfilename, self.realfilename)
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    def abort(self):