183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh"""Fix function attribute names (f.func_x -> f.__x__)."""
283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh# Author: Collin Winter
383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh
483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh# Local imports
583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsiehfrom .. import fixer_base
683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsiehfrom ..fixer_util import Name
783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh
883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh
983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsiehclass FixFuncattrs(fixer_base.BaseFix):
1083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh    BM_compatible = True
1183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh
1283760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh    PATTERN = """
1383760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh    power< any+ trailer< '.' attr=('func_closure' | 'func_doc' | 'func_globals'
1483760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh                                  | 'func_name' | 'func_defaults' | 'func_code'
1583760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh                                  | 'func_dict') > any* >
1683760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh    """
1783760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh
1883760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh    def transform(self, node, results):
1983760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh        attr = results["attr"][0]
2083760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh        attr.replace(Name((u"__%s__" % attr.value[5:]),
2183760d213fb3bec7b4117d266fcfbf6fe2ba14abAndrew Hsieh                          prefix=attr.prefix))
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