gh-138342: Move _PyObject_VisitType() to the internal C API (#139734)

Author: vstinner

Include/cpython/object.h

@@ -492,7 +492,3 @@ PyAPI_FUNC(int) PyUnstable_TryIncRef(PyObject *);
 PyAPI_FUNC(void) PyUnstable_EnableTryIncRef(PyObject *);
 
 PyAPI_FUNC(int) PyUnstable_Object_IsUniquelyReferenced(PyObject *);
-
-/* Utility for the tp_traverse slot of mutable heap types that have no other
- * references. */
-PyAPI_FUNC(int) _PyObject_VisitType(PyObject *op, visitproc visit, void *arg);

Include/internal/pycore_object.h

@@ -1047,6 +1047,10 @@ static inline Py_ALWAYS_INLINE void _Py_INCREF_MORTAL(PyObject *op)
 }
 #endif
 
+/* Utility for the tp_traverse slot of mutable heap types that have no other
+ * references. */
+PyAPI_FUNC(int) _PyObject_VisitType(PyObject *op, visitproc visit, void *arg);
+
 #ifdef __cplusplus
 }
 #endif

Modules/_dbmmodule.c

@@ -8,6 +8,7 @@
 #endif
 
 #include "Python.h"
+#include "pycore_object.h"        // _PyObject_VisitType()
 
 #include <sys/types.h>
 #include <sys/stat.h>

Modules/_decimal/_decimal.c

@@ -30,9 +30,9 @@
 #endif
 
 #include <Python.h>
+#include "pycore_object.h"        // _PyObject_VisitType()
 #include "pycore_pystate.h"       // _PyThreadState_GET()
 #include "pycore_typeobject.h"
-#include "complexobject.h"
 
 #include <mpdecimal.h>
 

Modules/_gdbmmodule.c

@@ -8,11 +8,12 @@
 #endif
 
 #include "Python.h"
-#include "pycore_pyerrors.h"        // _PyErr_SetLocaleString()
+#include "pycore_object.h"        // _PyObject_VisitType()
+#include "pycore_pyerrors.h"      // _PyErr_SetLocaleString()
 #include "gdbm.h"
 
 #include <fcntl.h>
-#include <stdlib.h>                 // free()
+#include <stdlib.h>               // free()
 #include <sys/stat.h>
 #include <sys/types.h>
 

Modules/_multiprocessing/semaphore.c

@@ -8,6 +8,7 @@
  */
 
 #include "multiprocessing.h"
+#include "pycore_object.h"        // _PyObject_VisitType()
 
 #ifdef HAVE_SYS_TIME_H
 #  include <sys/time.h>           // gettimeofday()

Modules/_sqlite/prepare_protocol.c

@@ -21,8 +21,15 @@
  * 3. This notice may not be removed or altered from any source distribution.
  */
 
+#ifndef Py_BUILD_CORE_BUILTIN
+#  define Py_BUILD_CORE_MODULE 1
+#endif
+
 #include "prepare_protocol.h"
 
+#include "pycore_object.h"        // _PyObject_VisitType()
+
+
 static int
 pysqlite_prepare_protocol_init(PyObject *self, PyObject *args, PyObject *kwargs)
 {

Modules/_sqlite/statement.c

@@ -21,10 +21,17 @@
  * 3. This notice may not be removed or altered from any source distribution.
  */
 
+#ifndef Py_BUILD_CORE_BUILTIN
+#  define Py_BUILD_CORE_MODULE 1
+#endif
+
 #include "connection.h"
 #include "statement.h"
 #include "util.h"
 
+#include "pycore_object.h"        // _PyObject_VisitType()
+
+
 #define _pysqlite_Statement_CAST(op)    ((pysqlite_Statement *)(op))
 
 /* prototypes */

Modules/blake2module.c

@@ -16,9 +16,10 @@
 
 #include "Python.h"
 #include "hashlib.h"
-#include "pycore_strhex.h"       // _Py_strhex()
-#include "pycore_typeobject.h"
 #include "pycore_moduleobject.h"
+#include "pycore_object.h"        // _PyObject_VisitType()
+#include "pycore_strhex.h"        // _Py_strhex()
+#include "pycore_typeobject.h"
 
 // QUICK CPU AUTODETECTION
 //

Modules/md5module.c

@@ -22,7 +22,8 @@
 #endif
 
 #include "Python.h"
-#include "pycore_strhex.h" // _Py_strhex()
+#include "pycore_object.h"        // _PyObject_VisitType()
+#include "pycore_strhex.h"        // _Py_strhex()
 
 #include "hashlib.h"