"""Fix function attribute names (f.func_x -> f.__x__).""" # Author: Collin Winter # Local imports from .. import fixer_base from ..fixer_util import Name class FixFuncattrs(fixer_base.BaseFix): BM_compatible = True PATTERN = """ power< any+ trailer< '.' attr=('func_closure' | 'func_doc' | 'func_globals' | 'func_name' | 'func_defaults' | 'func_code' | 'func_dict') > any* > """ def transform(self, node, results): attr = results["attr"][0] attr.replace(Name(("__%s__" % attr.value[5:]), prefix=attr.prefix))