kwdefault under getter/setter

Author: xuantengh

Objects/clinic/funcobject.c.h

@@ -680,49 +680,6 @@ func_set_qualname(PyObject *self, PyObject *value, void *Py_UNUSED(ignored))
     return 0;
 }
 
-static PyObject *
-func_get_kwdefaults(PyObject *self, void *Py_UNUSED(ignored))
-{
-    PyFunctionObject *op = _PyFunction_CAST(self);
-    if (PySys_Audit("object.__getattr__", "Os",
-                    op, "__kwdefaults__") < 0) {
-        return NULL;
-    }
-    if (op->func_kwdefaults == NULL) {
-        Py_RETURN_NONE;
-    }
-    return Py_NewRef(op->func_kwdefaults);
-}
-
-static int
-func_set_kwdefaults(PyObject *self, PyObject *value, void *Py_UNUSED(ignored))
-{
-    PyFunctionObject *op = _PyFunction_CAST(self);
-    if (value == Py_None)
-        value = NULL;
-    /* Legal to del f.func_kwdefaults.
-     * Can only set func_kwdefaults to NULL or a dict. */
-    if (value != NULL && !PyDict_Check(value)) {
-        PyErr_SetString(PyExc_TypeError,
-            "__kwdefaults__ must be set to a dict object");
-        return -1;
-    }
-    if (value) {
-        if (PySys_Audit("object.__setattr__", "OsO",
-                        op, "__kwdefaults__", value) < 0) {
-            return -1;
-        }
-    } else if (PySys_Audit("object.__delattr__", "Os",
-                           op, "__kwdefaults__") < 0) {
-        return -1;
-    }
-
-    handle_func_event(PyFunction_EVENT_MODIFY_KWDEFAULTS, op, value);
-    _PyFunction_ClearVersion(op);
-    Py_XSETREF(op->func_kwdefaults, Py_XNewRef(value));
-    return 0;
-}
-
 static PyObject *
 func_get_annotate(PyObject *self, void *Py_UNUSED(ignored))
 {
@@ -1036,12 +993,12 @@ function___code___set_impl(PyFunctionObject *self, PyObject *value)
 @getter
 function.__defaults__
 
-Get function arguments with default values
+Get positional arguments with default values for a function.
 [clinic start generated code]*/
 
 static PyObject *
 function___defaults___get_impl(PyFunctionObject *self)
-/*[clinic end generated code: output=e3da51b321d94a7a input=08ee98381f3099e7]*/
+/*[clinic end generated code: output=e3da51b321d94a7a input=179dc99d1b7f07b8]*/
 {
     if (PySys_Audit("object.__getattr__", "Os", self, "__defaults__") < 0) {
         return NULL;
@@ -1087,10 +1044,67 @@ function___defaults___set_impl(PyFunctionObject *self, PyObject *value)
     return 0;
 }
 
+/*[clinic input]
+@critical_section
+@getter
+function.__kwdefaults__
+
+Get keyword arguments with default values for a function.
+[clinic start generated code]*/
+
+static PyObject *
+function___kwdefaults___get_impl(PyFunctionObject *self)
+/*[clinic end generated code: output=e8218444acb1f699 input=59111109efd0d68b]*/
+{
+    if (PySys_Audit("object.__getattr__", "Os",
+                    self, "__kwdefaults__") < 0) {
+        return NULL;
+    }
+    if (self->func_kwdefaults == NULL) {
+        Py_RETURN_NONE;
+    }
+    return Py_NewRef(self->func_kwdefaults);
+}
+
+/*[clinic input]
+@critical_section
+@setter
+function.__kwdefaults__
+[clinic start generated code]*/
+
+static int
+function___kwdefaults___set_impl(PyFunctionObject *self, PyObject *value)
+/*[clinic end generated code: output=83b577938befcbf5 input=bea7f945934013dd]*/
+{
+    if (value == Py_None)
+        value = NULL;
+    /* Legal to del f.func_kwdefaults.
+     * Can only set func_kwdefaults to NULL or a dict. */
+    if (value != NULL && !PyDict_Check(value)) {
+        PyErr_SetString(PyExc_TypeError,
+            "__kwdefaults__ must be set to a dict object");
+        return -1;
+    }
+    if (value) {
+        if (PySys_Audit("object.__setattr__", "OsO",
+                        self, "__kwdefaults__", value) < 0) {
+            return -1;
+        }
+    } else if (PySys_Audit("object.__delattr__", "Os",
+                           self, "__kwdefaults__") < 0) {
+        return -1;
+    }
+
+    handle_func_event(PyFunction_EVENT_MODIFY_KWDEFAULTS, self, value);
+    _PyFunction_ClearVersion(self);
+    Py_XSETREF(self->func_kwdefaults, Py_XNewRef(value));
+    return 0;
+}
+
 static PyGetSetDef func_getsetlist[] = {
     FUNCTION___CODE___GETSETDEF
     FUNCTION___DEFAULTS___GETSETDEF
-    {"__kwdefaults__", func_get_kwdefaults, func_set_kwdefaults},
+    FUNCTION___KWDEFAULTS___GETSETDEF
     FUNCTION___ANNOTATIONS___GETSETDEF
     {"__annotate__", func_get_annotate, func_set_annotate},
     {"__dict__", PyObject_GenericGetDict, PyObject_GenericSetDict},