/usr/lib/python3.6/lib2to3/fixes/fix_nonzero.py is in python3-lib2to3 3.6.5-3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | """Fixer for __nonzero__ -> __bool__ methods."""
# Author: Collin Winter
# Local imports
from .. import fixer_base
from ..fixer_util import Name
class FixNonzero(fixer_base.BaseFix):
BM_compatible = True
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.prefix)
name.replace(new)
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