gh-112205: Support @setter annotation from AC

Lib/test/clinic.test.c

@@ -4956,8 +4956,12 @@ Test_meth_coexist_impl(TestObj *self)
 Test.property
 [clinic start generated code]*/
 
-#define TEST_PROPERTY_GETTERDEF    \
-    {"property", (getter)Test_property_get, NULL, NULL},
+#if defined(TEST_PROPERTY_GETSETTERDEF)
+#   undef TEST_PROPERTY_GETSETTERDEF
+#   define TEST_PROPERTY_GETSETTERDEF {"property", (getter)Test_property_get, (setter)Test_property_set, NULL},
+#else
+#   define TEST_PROPERTY_GETSETTERDEF {"property", (getter)Test_property_get, NULL, NULL},
+#endif
 
 static PyObject *
 Test_property_get_impl(TestObj *self);
@@ -4970,8 +4974,32 @@ Test_property_get(TestObj *self, void *Py_UNUSED(context))
 
 static PyObject *
 Test_property_get_impl(TestObj *self)
-/*[clinic end generated code: output=892b6fb351ff85fd input=2d92b3449fbc7d2b]*/
+/*[clinic end generated code: output=606a5f21c27ff5dd input=2d92b3449fbc7d2b]*/
+
+/*[clinic input]
+@setter
+Test.property
+[clinic start generated code]*/
+
+#if defined(TEST_PROPERTY_GETSETTERDEF)
+#   undef TEST_PROPERTY_GETSETTERDEF
+#   define TEST_PROPERTY_GETSETTERDEF {"property", (getter)Test_property_get, (setter)Test_property_set, NULL},
+#else
+#   define TEST_PROPERTY_GETSETTERDEF {"property", NULL, (setter)Test_property_set, NULL},
+#endif
+
+static PyObject *
+Test_property_set_impl(TestObj *self, PyObject *value);
+
+static PyObject *
+Test_property_set(TestObj *self, PyObject *value, void *Py_UNUSED(context))
+{
+    return Test_property_set_impl(self, value);
+}
 
+static PyObject *
+Test_property_set_impl(TestObj *self, PyObject *value)
+/*[clinic end generated code: output=2ba2d4de6020e191 input=3bc3f46a23c83a88]*/
 
 /*[clinic input]
 output push

Modules/_io/bufferedio.c

@@ -2526,9 +2526,9 @@ static PyMemberDef bufferedreader_members[] = {
 };
 
 static PyGetSetDef bufferedreader_getset[] = {
-    _IO__BUFFERED_CLOSED_GETTERDEF
-    _IO__BUFFERED_NAME_GETTERDEF
-    _IO__BUFFERED_MODE_GETTERDEF
+    _IO__BUFFERED_CLOSED_GETSETTERDEF
+    _IO__BUFFERED_NAME_GETSETTERDEF
+    _IO__BUFFERED_MODE_GETSETTERDEF
     {NULL}
 };
 
@@ -2586,9 +2586,9 @@ static PyMemberDef bufferedwriter_members[] = {
 };
 
 static PyGetSetDef bufferedwriter_getset[] = {
-    _IO__BUFFERED_CLOSED_GETTERDEF
-    _IO__BUFFERED_NAME_GETTERDEF
-    _IO__BUFFERED_MODE_GETTERDEF
+    _IO__BUFFERED_CLOSED_GETSETTERDEF
+    _IO__BUFFERED_NAME_GETSETTERDEF
+    _IO__BUFFERED_MODE_GETSETTERDEF
     {NULL}
 };
 
@@ -2704,9 +2704,9 @@ static PyMemberDef bufferedrandom_members[] = {
 };
 
 static PyGetSetDef bufferedrandom_getset[] = {
-    _IO__BUFFERED_CLOSED_GETTERDEF
-    _IO__BUFFERED_NAME_GETTERDEF
-    _IO__BUFFERED_MODE_GETTERDEF
+    _IO__BUFFERED_CLOSED_GETSETTERDEF
+    _IO__BUFFERED_NAME_GETSETTERDEF
+    _IO__BUFFERED_MODE_GETSETTERDEF
     {NULL}
 };
 

Modules/_io/stringio.c

@@ -1037,15 +1037,15 @@ static struct PyMethodDef stringio_methods[] = {
 };
 
 static PyGetSetDef stringio_getset[] = {
-    _IO_STRINGIO_CLOSED_GETTERDEF
-    _IO_STRINGIO_NEWLINES_GETTERDEF
+    _IO_STRINGIO_CLOSED_GETSETTERDEF
+    _IO_STRINGIO_NEWLINES_GETSETTERDEF
     /*  (following comments straight off of the original Python wrapper:)
         XXX Cruft to support the TextIOWrapper API. This would only
         be meaningful if StringIO supported the buffer attribute.
         Hopefully, a better solution, than adding these pseudo-attributes,
         will be found.
     */
-    _IO_STRINGIO_LINE_BUFFERING_GETTERDEF
+    _IO_STRINGIO_LINE_BUFFERING_GETSETTERDEF
     {NULL}
 };
 

Modules/_io/textio.c

@@ -3238,33 +3238,37 @@ textiowrapper_errors_get(textio *self, void *context)
     return result;
 }
 
+/*[clinic input]
+@critical_section
+@getter
+_io.TextIOWrapper._CHUNK_SIZE
+[clinic start generated code]*/
+
 static PyObject *
-textiowrapper_chunk_size_get_impl(textio *self, void *context)
+_io_TextIOWrapper__CHUNK_SIZE_get_impl(textio *self)
+/*[clinic end generated code: output=039925cd2df375bc input=e9715b0e06ff0fa6]*/
 {
     CHECK_ATTACHED(self);
     return PyLong_FromSsize_t(self->chunk_size);
 }
 
-static PyObject *
-textiowrapper_chunk_size_get(textio *self, void *context)
-{
-    PyObject *result = NULL;
-    Py_BEGIN_CRITICAL_SECTION(self);
-    result = textiowrapper_chunk_size_get_impl(self, context);
-    Py_END_CRITICAL_SECTION();
-    return result;
-}
+/*[clinic input]
+@critical_section
+@setter
+_io.TextIOWrapper._CHUNK_SIZE
+[clinic start generated code]*/
 
-static int
-textiowrapper_chunk_size_set_impl(textio *self, PyObject *arg, void *context)
+static PyObject *
+_io_TextIOWrapper__CHUNK_SIZE_set_impl(textio *self, PyObject *value)
+/*[clinic end generated code: output=0d4fc49ae6b8eb87 input=32fc99861db02a0a]*/
 {
     Py_ssize_t n;
     CHECK_ATTACHED_INT(self);
-    if (arg == NULL) {
+    if (value == NULL) {
         PyErr_SetString(PyExc_AttributeError, "cannot delete attribute");
         return -1;
     }
-    n = PyNumber_AsSsize_t(arg, PyExc_ValueError);
+    n = PyNumber_AsSsize_t(value, PyExc_ValueError);
     if (n == -1 && PyErr_Occurred())
         return -1;
     if (n <= 0) {
@@ -3276,16 +3280,6 @@ textiowrapper_chunk_size_set_impl(textio *self, PyObject *arg, void *context)
     return 0;
 }
 
-static int
-textiowrapper_chunk_size_set(textio *self, PyObject *arg, void *context)
-{
-    int result = 0;
-    Py_BEGIN_CRITICAL_SECTION(self);
-    result = textiowrapper_chunk_size_set_impl(self, arg, context);
-    Py_END_CRITICAL_SECTION();
-    return result;
-}
-
 static PyMethodDef incrementalnewlinedecoder_methods[] = {
     _IO_INCREMENTALNEWLINEDECODER_DECODE_METHODDEF
     _IO_INCREMENTALNEWLINEDECODER_GETSTATE_METHODDEF
@@ -3361,8 +3355,7 @@ static PyGetSetDef textiowrapper_getset[] = {
 */
     {"newlines", (getter)textiowrapper_newlines_get, NULL, NULL},
     {"errors", (getter)textiowrapper_errors_get, NULL, NULL},
-    {"_CHUNK_SIZE", (getter)textiowrapper_chunk_size_get,
-                    (setter)textiowrapper_chunk_size_set, NULL},
+    _IO_TEXTIOWRAPPER__CHUNK_SIZE_GETSETTERDEF
     {NULL}
 };