Merged revisions 56467-56482 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/p3yk

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  r56477 | martin.v.loewis | 2007-07-21 09:04:38 +0200 (Sa, 21 Jul 2007) | 11 lines

  Merged revisions 56466-56476 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r56476 | martin.v.loewis | 2007-07-21 08:55:02 +0200 (Sa, 21 Jul 2007) | 4 lines

    PEP 3123: Provide forward compatibility with Python 3.0, while keeping
    backwards compatibility. Add Py_Refcnt, Py_Type, Py_Size, and
    PyVarObject_HEAD_INIT.
  ........
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  r56478 | martin.v.loewis | 2007-07-21 09:47:23 +0200 (Sa, 21 Jul 2007) | 2 lines

  PEP 3123: Use proper C inheritance for PyObject.
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  r56479 | martin.v.loewis | 2007-07-21 10:06:55 +0200 (Sa, 21 Jul 2007) | 3 lines

  Add longintrepr.h to Python.h, so that the compiler can
  see that PyFalse is really some kind of PyObject*.
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  r56480 | martin.v.loewis | 2007-07-21 10:47:18 +0200 (Sa, 21 Jul 2007) | 2 lines

  Qualify SHIFT, MASK, BASE.
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  r56482 | martin.v.loewis | 2007-07-21 19:10:57 +0200 (Sa, 21 Jul 2007) | 2 lines

  Correctly refer to _ob_next.
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diff --git a/Modules/_weakref.c b/Modules/_weakref.c
index 1712f12..cb7977b 100644
--- a/Modules/_weakref.c
+++ b/Modules/_weakref.c
@@ -14,7 +14,7 @@
 {
     PyObject *result = NULL;
 
-    if (PyType_SUPPORTS_WEAKREFS(object->ob_type)) {
+    if (PyType_SUPPORTS_WEAKREFS(Py_Type(object))) {
         PyWeakReference **list = GET_WEAKREFS_LISTPTR(object);
 
         result = PyInt_FromSsize_t(_PyWeakref_GetWeakrefCount(*list));
@@ -35,7 +35,7 @@
 {
     PyObject *result = NULL;
 
-    if (PyType_SUPPORTS_WEAKREFS(object->ob_type)) {
+    if (PyType_SUPPORTS_WEAKREFS(Py_Type(object))) {
         PyWeakReference **list = GET_WEAKREFS_LISTPTR(object);
         Py_ssize_t count = _PyWeakref_GetWeakrefCount(*list);