def patch_tree(self, node, tree):
        "Patch differences between node and tree."
        node.total_size = tree.total_size
        node.file_size = tree.file_size
        self.patch_children(node, tree)
        self.add_children(node, tree)
Patch differences between node and tree.
recipes/Python/577632_Directory_Pruner_1/recipe-577632.py