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Viewing changes to bzrlib/groupcompress.py

(spiv) Move duplicate definitions of {Knit,
 GroupCompress}VersionedFiles.get_known_graph_ancestry into
 VersionedFilesWithFallbacks. (Andrew Bennetts)

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Lines of Context:
bzrlib/groupcompress.py
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            self._check_lines_not_unicode(lines)
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            self._check_lines_are_lines(lines)
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    def get_known_graph_ancestry(self, keys):
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        """Get a KnownGraph instance with the ancestry of keys."""
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        # Note that this is identical to
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        # KnitVersionedFiles.get_known_graph_ancestry, but they don't share
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        # ancestry.
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        parent_map, missing_keys = self._index.find_ancestry(keys)
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        for fallback in self._transitive_fallbacks():
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            if not missing_keys:
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                break
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            (f_parent_map, f_missing_keys) = fallback._index.find_ancestry(
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                                                missing_keys)
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            parent_map.update(f_parent_map)
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            missing_keys = f_missing_keys
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        kg = _mod_graph.KnownGraph(parent_map)
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        return kg
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    def get_parent_map(self, keys):
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        """Get a map of the graph parents of keys.
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