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[3.15] gh-152870: Fix compile error with decimal when EXTRA_FUNCTIONALITY enabled (GH-152871) #152937

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Merged
sobolevn merged 1 commit into from
Jul 3, 2026
+13 −1
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[3.15] gh-152870: Fix compile error with decimal when EXTRA_FUNCTIONALITY enabled (GH-152871) #152937

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8 changes: 8 additions & 0 deletions Lib/test/test_decimal.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4967,6 +4967,14 @@ def test_c_context(self):
self.assertEqual(c._flags, C.DecClamped)
self.assertEqual(c._traps, C.DecRounded)

@requires_extra_functionality
def test_c_context_apply(self):
c = C.Context(prec=3)
self.assertEqual(c.apply(C.Decimal('1.23456')), C.Decimal('1.23'))
# A higher precision won't see them as equal.
c = C.Context(prec=5)
self.assertNotEqual(c.apply(C.Decimal('1.23456')), C.Decimal('1.23'))

@requires_extra_functionality
def test_constants(self):
# Condition flags
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4 changes: 4 additions & 0 deletions Misc/NEWS.d/next/Build/2026-07-02-16-25-13.gh-issue-152870.oh9eD1.rst
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@@ -0,0 +1,4 @@
Fix a compilation error in the :mod:`decimal` C extension (``_decimal``) when
it is built with ``EXTRA_FUNCTIONALITY``. ``Context.apply()`` called the
internal ``_apply`` helper using its pre-Argument-Clinic signature; the call is
now made through the generated ``_impl`` function.
2 changes: 1 addition & 1 deletion Modules/_decimal/_decimal.c
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Expand Up @@ -6993,7 +6993,7 @@ _decimal_Context_apply_impl(PyObject *context, PyTypeObject *cls,
PyObject *x)
/*[clinic end generated code: output=f8a7142d47ad4ff3 input=388e66ca82733516]*/
{
return _decimal_Context__apply(context, x);
return _decimal_Context__apply_impl(context, cls, x);
}
#endif

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