Method is_unallowed_attr

web/template.py:1424–1427

(self, name)

    # helpers
    def is_unallowed_attr(self, name):
        return (
            name.startswith("_") or name.startswith("func_") or name.startswith("im_")
        )

    def get_node_attr(self, node):
        return "attr" in node._fields and node.attr or None