cpython/Lib/lib2to3/fixes/fix_methodattrs.py
Benjamin Peterson d481e3d791 Merged revisions 72494 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r72494 | benjamin.peterson | 2009-05-08 20:01:14 -0500 (Fri, 08 May 2009) | 21 lines

  Merged revisions 72491-72493 via svnmerge from
  svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3

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    r72491 | benjamin.peterson | 2009-05-08 19:33:27 -0500 (Fri, 08 May 2009) | 7 lines

    make 2to3 use unicode internally on 2.x

    This started out as a fix for #2660, but became this large refactoring
    when I realized the dire state this was in. 2to3 now uses
    tokenize.detect_encoding to decode the files correctly into unicode.
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    r72492 | benjamin.peterson | 2009-05-08 19:35:38 -0500 (Fri, 08 May 2009) | 1 line

    remove compat code
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    r72493 | benjamin.peterson | 2009-05-08 19:54:15 -0500 (Fri, 08 May 2009) | 1 line

    add a test for \r\n newlines
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2009-05-09 19:42:23 +00:00

23 lines
592 B
Python

"""Fix bound method attributes (method.im_? -> method.__?__).
"""
# Author: Christian Heimes
# Local imports
from .. import fixer_base
from ..fixer_util import Name
MAP = {
"im_func" : "__func__",
"im_self" : "__self__",
"im_class" : "__self__.__class__"
}
class FixMethodattrs(fixer_base.BaseFix):
PATTERN = """
power< any+ trailer< '.' attr=('im_func' | 'im_self' | 'im_class') > any* >
"""
def transform(self, node, results):
attr = results["attr"][0]
new = str(MAP[attr.value])
attr.replace(Name(new, prefix=attr.get_prefix()))