Edit: fix_cmp.py
# coding: utf-8 """ Fixer for the cmp() function on Py2, which was removed in Py3. Adds this import line:: from past.builtins import cmp if cmp() is called in the code. """ from __future__ import unicode_literals from lib2to3 import fixer_base from libfuturize.fixer_util import touch_import_top expression = "name='cmp'" class FixCmp(fixer_base.BaseFix): BM_compatible = True run_order = 9 PATTERN = """ power< ({0}) trailer< '(' args=[any] ')' > rest=any* > """.format(expression) def transform(self, node, results): name = results["name"] touch_import_top(u'past.builtins', name.value, node)
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