Remove @deleter from setters which check for NULL themselves

They raised AttributeError for deletion, and this is now done by the
generated code.

Author: serhiy-storchaka

Modules/_asynciomodule.c

@@ -1372,23 +1372,18 @@ _asyncio_Future__asyncio_future_blocking_get_impl(FutureObj *self)
 /*[clinic input]
 @critical_section
 @setter
-@deleter
 _asyncio.Future._asyncio_future_blocking
 [clinic start generated code]*/
 
 static int
 _asyncio_Future__asyncio_future_blocking_set_impl(FutureObj *self,
                                                   PyObject *value)
-/*[clinic end generated code: output=0686d1cb024a7453 input=68cea090c8793dd4]*/
+/*[clinic end generated code: output=0686d1cb024a7453 input=3fd4a5f95df788b7]*/
 
 {
     if (future_ensure_alive(self)) {
         return -1;
     }
-    if (value == NULL) {
-        PyErr_SetString(PyExc_AttributeError, "cannot delete attribute");
-        return -1;
-    }
 
     int is_true = PyObject_IsTrue(value);
     if (is_true < 0) {
@@ -1421,18 +1416,13 @@ _asyncio_Future__log_traceback_get_impl(FutureObj *self)
 /*[clinic input]
 @critical_section
 @setter
-@deleter
 _asyncio.Future._log_traceback
 [clinic start generated code]*/
 
 static int
 _asyncio_Future__log_traceback_set_impl(FutureObj *self, PyObject *value)
-/*[clinic end generated code: output=9ce8e19504f42f54 input=469dbdd15343d39f]*/
+/*[clinic end generated code: output=9ce8e19504f42f54 input=30ac8217754b08c2]*/
 {
-    if (value == NULL) {
-        PyErr_SetString(PyExc_AttributeError, "cannot delete attribute");
-        return -1;
-    }
     int is_true = PyObject_IsTrue(value);
     if (is_true < 0) {
         return -1;
@@ -1587,18 +1577,13 @@ _asyncio_Future__cancel_message_get_impl(FutureObj *self)
 /*[clinic input]
 @critical_section
 @setter
-@deleter
 _asyncio.Future._cancel_message
 [clinic start generated code]*/
 
 static int
 _asyncio_Future__cancel_message_set_impl(FutureObj *self, PyObject *value)
-/*[clinic end generated code: output=0854b2f77bff2209 input=68b3a24731dfb629]*/
+/*[clinic end generated code: output=0854b2f77bff2209 input=f461d17f2d891fad]*/
 {
-    if (value == NULL) {
-        PyErr_SetString(PyExc_AttributeError, "cannot delete attribute");
-        return -1;
-    }
     Py_INCREF(value);
     Py_XSETREF(self->fut_cancel_msg, value);
     return 0;
@@ -2446,18 +2431,13 @@ _asyncio_Task__log_destroy_pending_get_impl(TaskObj *self)
 /*[clinic input]
 @critical_section
 @setter
-@deleter
 _asyncio.Task._log_destroy_pending
 [clinic start generated code]*/
 
 static int
 _asyncio_Task__log_destroy_pending_set_impl(TaskObj *self, PyObject *value)
-/*[clinic end generated code: output=7ebc030bb92ec5ce input=31af83e8bf57ac6f]*/
+/*[clinic end generated code: output=7ebc030bb92ec5ce input=49b759c97d1216a4]*/
 {
-    if (value == NULL) {
-        PyErr_SetString(PyExc_AttributeError, "cannot delete attribute");
-        return -1;
-    }
     int is_true = PyObject_IsTrue(value);
     if (is_true < 0) {
         return -1;

Modules/_ctypes/_ctypes.c

@@ -1481,22 +1481,17 @@ class _ctypes.PyCArrayType_Type "CDataObject *" "clinic_state()->PyCArrayType_Ty
 /*[clinic input]
 @critical_section
 @setter
-@deleter
 _ctypes.PyCArrayType_Type.raw
 [clinic start generated code]*/
 
 static int
 _ctypes_PyCArrayType_Type_raw_set_impl(CDataObject *self, PyObject *value)
-/*[clinic end generated code: output=cf9b2a9fd92e9ecb input=13881e1662127207]*/
+/*[clinic end generated code: output=cf9b2a9fd92e9ecb input=a3717561efc45efd]*/
 {
     char *ptr;
     Py_ssize_t size;
     Py_buffer view;
 
-    if (value == NULL) {
-        PyErr_SetString(PyExc_AttributeError, "cannot delete attribute");
-        return -1;
-    }
     if (PyObject_GetBuffer(value, &view, PyBUF_SIMPLE) < 0)
         return -1;
     size = view.len;

Modules/_ctypes/clinic/_ctypes.c.h

@@ -3399,20 +3399,15 @@ _io_TextIOWrapper__CHUNK_SIZE_get_impl(textio *self)
 /*[clinic input]
 @critical_section
 @setter
-@deleter
 _io.TextIOWrapper._CHUNK_SIZE
 [clinic start generated code]*/
 
 static int
 _io_TextIOWrapper__CHUNK_SIZE_set_impl(textio *self, PyObject *value)
-/*[clinic end generated code: output=edb86d2db660a5ab input=e7c44a734efeddc3]*/
+/*[clinic end generated code: output=edb86d2db660a5ab input=32fc99861db02a0a]*/
 {
     Py_ssize_t n;
     CHECK_ATTACHED_INT(self);
-    if (value == NULL) {
-        PyErr_SetString(PyExc_AttributeError, "cannot delete attribute");
-        return -1;
-    }
     n = PyNumber_AsSsize_t(value, PyExc_ValueError);
     if (n == -1 && PyErr_Occurred())
         return -1;

Modules/_io/clinic/textio.c.h

@@ -1643,19 +1643,14 @@ static bool frame_is_suspended(PyFrameObject *frame)
 /*[clinic input]
 @critical_section
 @setter
-@deleter
 frame.f_lineno as frame_lineno
 [clinic start generated code]*/
 
 static int
 frame_lineno_set_impl(PyFrameObject *self, PyObject *value)
-/*[clinic end generated code: output=e64c86ff6be64292 input=c814c375c6bd16ba]*/
+/*[clinic end generated code: output=e64c86ff6be64292 input=36ed3c896b27fb91]*/
 {
     PyCodeObject *code = _PyFrame_GetCode(self->f_frame);
-    if (value == NULL) {
-        PyErr_SetString(PyExc_AttributeError, "cannot delete attribute");
-        return -1;
-    }
     /* f_lineno must be an integer. */
     if (!PyLong_CheckExact(value)) {
         PyErr_SetString(PyExc_ValueError,