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-rw-r--r--lib/python2.7/lib2to3/fixes/fix_reduce.py35
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diff --git a/lib/python2.7/lib2to3/fixes/fix_reduce.py b/lib/python2.7/lib2to3/fixes/fix_reduce.py
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+++ b/lib/python2.7/lib2to3/fixes/fix_reduce.py
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+# 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):
+ touch_import(u'functools', u'reduce', node)