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Viewing changes to bzrlib/tree.py

Merge in bzrdir work to enable checkout improvements.

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bzrlib/tree.py
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        """Print file with id `file_id` to stdout."""
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        import sys
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        sys.stdout.write(self.get_file_text(file_id))
 
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    def lock_read(self):
 
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        pass
 
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    def unlock(self):
 
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        pass
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class RevisionTree(Tree):
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    def kind(self, file_id):
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        return self._inventory[file_id].kind
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    def lock_read(self):
 
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        self._branch.lock_read()
 
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    def unlock(self):
 
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        self._branch.unlock()
 
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class EmptyTree(Tree):
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    def __init__(self):