Issue #26687: Use Py_RETURN_NONE macro in sqlite3 module

Modules/_sqlite/cache.c

@@ -244,8 +244,7 @@ PyObject* pysqlite_cache_display(pysqlite_Cache* self, PyObject* args)
         ptr = ptr->next;
     }
 
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 
 static PyMethodDef cache_methods[] = {

Modules/_sqlite/connection.c

@@ -348,8 +348,7 @@ PyObject* pysqlite_connection_close(pysqlite_Connection* self, PyObject* args)
         }
     }
 
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 
 /*
@@ -857,8 +856,7 @@ PyObject* pysqlite_connection_create_function(pysqlite_Connection* self, PyObjec
         if (PyDict_SetItem(self->function_pinboard, func, Py_None) == -1)
             return NULL;
 
-        Py_INCREF(Py_None);
-        return Py_None;
+        Py_RETURN_NONE;
     }
 }
 
@@ -889,8 +887,7 @@ PyObject* pysqlite_connection_create_aggregate(pysqlite_Connection* self, PyObje
         if (PyDict_SetItem(self->function_pinboard, aggregate_class, Py_None) == -1)
             return NULL;
 
-        Py_INCREF(Py_None);
-        return Py_None;
+        Py_RETURN_NONE;
     }
 }
 
@@ -1025,8 +1022,7 @@ static PyObject* pysqlite_connection_set_authorizer(pysqlite_Connection* self, P
         if (PyDict_SetItem(self->function_pinboard, authorizer_cb, Py_None) == -1)
             return NULL;
 
-        Py_INCREF(Py_None);
-        return Py_None;
+        Py_RETURN_NONE;
     }
 }
 
@@ -1055,8 +1051,7 @@ static PyObject* pysqlite_connection_set_progress_handler(pysqlite_Connection* s
             return NULL;
     }
 
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 
 static PyObject* pysqlite_connection_set_trace_callback(pysqlite_Connection* self, PyObject* args, PyObject* kwargs)
@@ -1083,8 +1078,7 @@ static PyObject* pysqlite_connection_set_trace_callback(pysqlite_Connection* sel
         sqlite3_trace(self->db, _trace_callback, trace_callback);
     }
 
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 
 #ifdef HAVE_LOAD_EXTENSION
@@ -1107,8 +1101,7 @@ static PyObject* pysqlite_enable_load_extension(pysqlite_Connection* self, PyObj
         PyErr_SetString(pysqlite_OperationalError, "Error enabling load extension");
         return NULL;
     } else {
-        Py_INCREF(Py_None);
-        return Py_None;
+        Py_RETURN_NONE;
     }
 }
 
@@ -1131,8 +1124,7 @@ static PyObject* pysqlite_load_extension(pysqlite_Connection* self, PyObject* ar
         PyErr_SetString(pysqlite_OperationalError, errmsg);
         return NULL;
     } else {
-        Py_INCREF(Py_None);
-        return Py_None;
+        Py_RETURN_NONE;
     }
 }
 #endif

Modules/_sqlite/cursor.c

@@ -242,8 +242,7 @@ PyObject* _pysqlite_build_column_name(const char* colname)
     const char* pos;
 
     if (!colname) {
-        Py_INCREF(Py_None);
-        return Py_None;
+        Py_RETURN_NONE;
     }
 
     for (pos = colname;; pos++) {
@@ -914,8 +913,7 @@ PyObject* pysqlite_cursor_fetchone(pysqlite_Cursor* self, PyObject* args)
 
     row = pysqlite_cursor_iternext(self);
     if (!row && !PyErr_Occurred()) {
-        Py_INCREF(Py_None);
-        return Py_None;
+        Py_RETURN_NONE;
     }
 
     return row;
@@ -996,8 +994,7 @@ PyObject* pysqlite_cursor_fetchall(pysqlite_Cursor* self, PyObject* args)
 PyObject* pysqlite_noop(pysqlite_Connection* self, PyObject* args)
 {
     /* don't care, return None */
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 
 PyObject* pysqlite_cursor_close(pysqlite_Cursor* self, PyObject* args)
@@ -1013,8 +1010,7 @@ PyObject* pysqlite_cursor_close(pysqlite_Cursor* self, PyObject* args)
 
     self->closed = 1;
 
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 
 static PyMethodDef cursor_methods[] = {

Modules/_sqlite/module.c

@@ -139,8 +139,7 @@ static PyObject* module_enable_shared_cache(PyObject* self, PyObject* args, PyOb
         PyErr_SetString(pysqlite_OperationalError, "Changing the shared_cache flag failed");
         return NULL;
     } else {
-        Py_INCREF(Py_None);
-        return Py_None;
+        Py_RETURN_NONE;
     }
 }
 
@@ -172,8 +171,7 @@ static PyObject* module_register_adapter(PyObject* self, PyObject* args)
     if (rc == -1)
         return NULL;
 
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 
 PyDoc_STRVAR(module_register_adapter_doc,
@@ -221,8 +219,7 @@ static PyObject* enable_callback_tracebacks(PyObject* self, PyObject* args)
         return NULL;
     }
 
-    Py_INCREF(Py_None);
-    return Py_None;
+    Py_RETURN_NONE;
 }
 
 PyDoc_STRVAR(enable_callback_tracebacks_doc,