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47 lines
1.4 KiB
47 lines
1.4 KiB
9 months ago
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"""
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Adds this import line:
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from builtins import XYZ
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for each of the functions XYZ that is used in the module.
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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 lib2to3.pygram import python_symbols as syms
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from lib2to3.fixer_util import Name, Call, in_special_context
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from libfuturize.fixer_util import touch_import_top
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# All builtins are:
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# from future.builtins.iterators import (filter, map, zip)
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# from future.builtins.misc import (ascii, chr, hex, input, isinstance, oct, open, round, super)
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# from future.types import (bytes, dict, int, range, str)
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# We don't need isinstance any more.
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replaced_builtins = '''filter map zip
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ascii chr hex input next oct open round super
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bytes dict int range str'''.split()
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expression = '|'.join(["name='{0}'".format(name) for name in replaced_builtins])
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class FixFutureBuiltins(fixer_base.BaseFix):
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BM_compatible = True
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run_order = 9
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# Currently we only match uses as a function. This doesn't match e.g.:
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# if isinstance(s, str):
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# ...
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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'builtins', name.value, node)
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# name.replace(Name(u"input", prefix=name.prefix))
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