bpo-38787: Add PyCFunction_CheckExact() macro for exact type checks (GH-20024)
… now that we allow subtypes of PyCFunction.
Also add PyCMethod_CheckExact() and PyCMethod_Check() for checks against the PyCMethod subtype.
diff --git a/Include/cpython/methodobject.h b/Include/cpython/methodobject.h
index 2ac2cbf..7ecbfe3 100644
--- a/Include/cpython/methodobject.h
+++ b/Include/cpython/methodobject.h
@@ -4,6 +4,9 @@
PyAPI_DATA(PyTypeObject) PyCMethod_Type;
+#define PyCMethod_CheckExact(op) Py_IS_TYPE(op, &PyCMethod_Type)
+#define PyCMethod_Check(op) PyObject_TypeCheck(op, &PyCMethod_Type)
+
/* Macros for direct access to these values. Type checks are *not*
done, so use with care. */
#define PyCFunction_GET_FUNCTION(func) \
diff --git a/Include/methodobject.h b/Include/methodobject.h
index 7c7362c..12e049b 100644
--- a/Include/methodobject.h
+++ b/Include/methodobject.h
@@ -13,7 +13,8 @@
PyAPI_DATA(PyTypeObject) PyCFunction_Type;
-#define PyCFunction_Check(op) (Py_IS_TYPE(op, &PyCFunction_Type) || (PyType_IsSubtype(Py_TYPE(op), &PyCFunction_Type)))
+#define PyCFunction_CheckExact(op) Py_IS_TYPE(op, &PyCFunction_Type)
+#define PyCFunction_Check(op) PyObject_TypeCheck(op, &PyCFunction_Type)
typedef PyObject *(*PyCFunction)(PyObject *, PyObject *);
typedef PyObject *(*_PyCFunctionFast) (PyObject *, PyObject *const *, Py_ssize_t);