1 """Fix function attribute names (f.func_x -> f.__x__)."""

     2 # Author: Collin Winter

     3 

     4 # Local imports

     5 from .. import fixer_base

     6 from ..fixer_util import Name

     7 

     8 

     9 class FixFuncattrs(fixer_base.BaseFix):

    10     PATTERN = """

    11     power< any+ trailer< '.' attr=('func_closure' | 'func_doc' | 'func_globals'

    12                                   | 'func_name' | 'func_defaults' | 'func_code'

    13                                   | 'func_dict') > any* >

    14     """

    15 

    16     def transform(self, node, results):

    17         attr = results["attr"][0]

    18         attr.replace(Name(("__%s__" % attr.value[5:]),

    19                           prefix=attr.get_prefix()))