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bpo-40792: Make the result of PyNumber_Index() always having exact type int. (GH-20443)

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Previously, the result could have been an instance of a subclass of int.

Also revert bpo-26202 and make attributes start, stop and step of the range
object having exact type int.

Add private function _PyNumber_Index() which preserves the old behavior
of PyNumber_Index() for performance to use it in the conversion functions
like PyLong_AsLong().
This commit is contained in:
Serhiy Storchaka 2020-05-28 10:33:45 +03:00 • committed by GitHub
parent eaca2aa117
commit 5f4b229df7
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51 changed files with 187 additions and 187 deletions
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6
Lib/test/test_range.py
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@ -648,11 +648,17 @@ class RangeTest(unittest.TestCase):
self.assert_attrs(range(0, 10, 3), 0, 10, 3)
self.assert_attrs(range(10, 0, -1), 10, 0, -1)
self.assert_attrs(range(10, 0, -3), 10, 0, -3)
self.assert_attrs(range(True), 0, 1, 1)
self.assert_attrs(range(False, True), 0, 1, 1)
self.assert_attrs(range(False, True, True), 0, 1, 1)
def assert_attrs(self, rangeobj, start, stop, step):
self.assertEqual(rangeobj.start, start)
self.assertEqual(rangeobj.stop, stop)
self.assertEqual(rangeobj.step, step)
self.assertIs(type(rangeobj.start), int)
self.assertIs(type(rangeobj.stop), int)
self.assertIs(type(rangeobj.step), int)
with self.assertRaises(AttributeError):
rangeobj.start = 0