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  • Committer: Martin Pool
  • Date: 2008-04-24 07:22:53 UTC
  • mto: This revision was merged to the branch mainline in revision 3415.
  • Revision ID: mbp@sourcefrog.net-20080424072253-opmjij7xfy38w27f
Remove every assert statement from bzrlib!

Depending on the context they are:

 * turned into an explicit if/raise of either AssertionError 
   or something more specific -- particularly where they protect
   programming interfaces, complex invariants, or data file integrity
 * removed, if they're redundant with a later check, not protecting
   a meaningful invariant
 * turned into a selftest method on tests

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            returns only an in-memory Inventory, so it should always be None.
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        :return: An Inventory object.
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        """
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        assert root is None, "Cannot create a memory inventory in a on disk."
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        cache_dir = self._get_cache_dir()
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        if cache_dir is None:
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            return self._create_and_return()