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  • Committer: Martin Pool
  • Date: 2005-09-07 09:57:01 UTC
  • Revision ID: mbp@sourcefrog.net-20050907095701-3da04d3c151a4b66
- [WIP] retrieve historical texts from weaves

 - new WeaveStore class
 - RevisionTree uses one of these to get out texts
 - Branch has a WeaveStore rather than a text_store
 - clean up Branch.basis_tree
 - new Tree.get_file_text just returns the whole text as a string; 
   often simpler

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bzrlib/weave.py
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import sha
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from cStringIO import StringIO
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class WeaveError(Exception):
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        The set typically but not necessarily corresponds to a version.
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        """
 
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        for i in versions:
 
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            if not isinstance(i, int):
 
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                raise ValueError(i)
 
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        included = self.inclusions(versions)
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        istack = []
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            yield line
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    def get_text(self, version):
 
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        assert isinstance(version, int)
 
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        s = StringIO()
 
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        s.writelines(self.get_iter(version))
 
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        return s.getvalue()
 
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    def get(self, index):
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        return list(self.get_iter(index))
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