symbian-qemu-0.9.1-12/python-win32-2.6.1/lib/lib2to3/fixes/fix_methodattrs.py
author martin.trojer@nokia.com
Fri, 31 Jul 2009 15:01:17 +0100
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"""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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    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.get_prefix()))