cpython/Lib/lib2to3/fixes/fix_funcattrs.py

20 lines
625 B
Python

"""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):
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((u"__%s__" % attr.value[5:]),
prefix=attr.get_prefix()))