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