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gh-104600: Make function.__type_params__ writable (#104601)

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Jelle Zijlstra 2023-05-18 16:45:37 -07:00 • committed by GitHub
parent f7835fc7e9
commit 3fadd7d585
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6 changed files with 39 additions and 5 deletions
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17
Objects/funcobject.c
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@ -665,6 +665,20 @@ func_get_type_params(PyFunctionObject *op, void *Py_UNUSED(ignored))
return Py_NewRef(op->func_typeparams);
}
static int
func_set_type_params(PyFunctionObject *op, PyObject *value, void *Py_UNUSED(ignored))
{
/* Not legal to del f.__type_params__ or to set it to anything
* other than a tuple object. */
if (value == NULL || !PyTuple_Check(value)) {
PyErr_SetString(PyExc_TypeError,
"__type_params__ must be set to a tuple");
return -1;
}
Py_XSETREF(op->func_typeparams, Py_NewRef(value));
return 0;
}
PyObject *
_Py_set_function_type_params(PyThreadState *Py_UNUSED(ignored), PyObject *func,
PyObject *type_params)
@ -687,7 +701,8 @@ static PyGetSetDef func_getsetlist[] = {
{"__dict__", PyObject_GenericGetDict, PyObject_GenericSetDict},
{"__name__", (getter)func_get_name, (setter)func_set_name},
{"__qualname__", (getter)func_get_qualname, (setter)func_set_qualname},
{"__type_params__", (getter)func_get_type_params, NULL},
{"__type_params__", (getter)func_get_type_params,
(setter)func_set_type_params},
{NULL} /* Sentinel */
};