symbian-qemu-0.9.1-12/python-2.6.1/Lib/lib2to3/fixes/fix_nonzero.py
author MattD <mattd@symbian.org>
Wed, 10 Mar 2010 16:08:53 +0000
changeset 48 34cd6bf038ac
parent 1 2fb8b9db1c86
permissions -rw-r--r--
Very rough additions to get baseport building after the header reorganisation. Original hardcoded systeminclude paths still left in.

"""Fixer for __nonzero__ -> __bool__ methods."""
# Author: Collin Winter

# Local imports
from .. import fixer_base
from ..fixer_util import Name, syms

class FixNonzero(fixer_base.BaseFix):
    PATTERN = """
    classdef< 'class' any+ ':'
              suite< any*
                     funcdef< 'def' name='__nonzero__'
                              parameters< '(' NAME ')' > any+ >
                     any* > >
    """

    def transform(self, node, results):
        name = results["name"]
        new = Name("__bool__", prefix=name.get_prefix())
        name.replace(new)