"""Fix bound method attributes (method.im_? -> method.__?__).

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"""

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# Author: Christian Heimes

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# Local imports

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from .. import fixer_base

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from ..fixer_util import Name

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MAP = {

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"im_func" : "__func__",

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"im_self" : "__self__",

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"im_class" : "__self__.__class__"

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}

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class FixMethodattrs(fixer_base.BaseFix):

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BM_compatible = True

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PATTERN = """

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power< any+ trailer< '.' attr=('im_func' | 'im_self' | 'im_class') > any* >

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"""

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def transform(self, node, results):

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attr = results["attr"][0]

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new = MAP[attr.value]

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attr.replace(Name(new, prefix=attr.prefix))

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