openmedialibrary_platform/Darwin/lib/python3.5/lib2to3/fixes/fix_reduce.py

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2013-10-11 17:28:32 +00:00
# Copyright 2008 Armin Ronacher.
# Licensed to PSF under a Contributor Agreement.
"""Fixer for reduce().
Makes sure reduce() is imported from the functools module if reduce is
used in that module.
"""
from lib2to3 import fixer_base
from lib2to3.fixer_util import touch_import
class FixReduce(fixer_base.BaseFix):
BM_compatible = True
order = "pre"
PATTERN = """
power< 'reduce'
trailer< '('
arglist< (
(not(argument<any '=' any>) any ','
not(argument<any '=' any>) any) |
(not(argument<any '=' any>) any ','
not(argument<any '=' any>) any ','
not(argument<any '=' any>) any)
) >
')' >
>
"""
def transform(self, node, results):
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touch_import('functools', 'reduce', node)