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gh-89902: Deprecate non-standard format specifier "N" for Decimal (GH-110508)

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It was not documented and only supported in the C implementation.
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Serhiy Storchaka 2023-10-08 10:01:39 +03:00 • committed by GitHub
parent 6780d63ae5
commit d96a8cdfe2
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17
Lib/test/test_decimal.py
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@ -1222,6 +1222,23 @@ class FormatTest:
self.assertEqual(get_fmt(Decimal('-1.5'), dotsep_wide, '020n'),
'-0\u00b4000\u00b4000\u00b4000\u00b4001\u00bf5')
def test_deprecated_N_format(self):
Decimal = self.decimal.Decimal
h = Decimal('6.62607015e-34')
if self.decimal == C:
with self.assertWarns(DeprecationWarning) as cm:
r = format(h, 'N')
self.assertEqual(cm.filename, __file__)
self.assertEqual(r, format(h, 'n').upper())
with self.assertWarns(DeprecationWarning) as cm:
r = format(h, '010.3N')
self.assertEqual(cm.filename, __file__)
self.assertEqual(r, format(h, '010.3n').upper())
else:
self.assertRaises(ValueError, format, h, 'N')
self.assertRaises(ValueError, format, h, '010.3N')
@run_with_locale('LC_ALL', 'ps_AF')
def test_wide_char_separator_decimal_point(self):
# locale with wide char separator and decimal point