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  • Committer: Robert Collins
  • Date: 2007-08-06 23:49:18 UTC
  • mto: (2592.3.81 repository)
  • mto: This revision was merged to the branch mainline in revision 2933.
  • Revision ID: robertc@robertcollins.net-20070806234918-xc9w5f86tgjphf9u
Prevent the duplicate additions of names to FileNames collections.

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bzrlib/file_names.py
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        """Allocate name in the names collection.
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        :param name: The name to allocate.
 
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        :raises: bzrlib.errors.DuplicateKey if the name is already allocated.
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        """
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        if name is not None:
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            if len(self._names) >= self._cap:
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                raise errors.BzrError('too many files')
 
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            if name in self._names:
 
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                raise errors.DuplicateKey(name)
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            self._names.add(name)
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            return name
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