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gh-107810: Improve DeprecationWarning for metaclasses with custom tp_new (GH-107834)

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Co-authored-by: Kirill Podoprigora <kirill.bast9@mail.ru>
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Marc Mueller 2023-08-10 17:55:47 +02:00 • committed by GitHub
parent e4275f4df3
commit 16dcce2176
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3 changed files with 5 additions and 4 deletions
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6
Objects/typeobject.c
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@ -4264,9 +4264,9 @@ _PyType_FromMetaclass_impl(
if (_allow_tp_new) {
if (PyErr_WarnFormat(
PyExc_DeprecationWarning, 1,
"Using PyType_Spec with metaclasses that have custom "
"tp_new is deprecated and will no longer be allowed in "
"Python 3.14.") < 0) {
"Type %s uses PyType_Spec with a metaclass that has custom "
"tp_new. This is deprecated and will no longer be allowed in "
"Python 3.14.", spec->name) < 0) {
goto finally;
}
}