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

................
  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/_collectionsmodule.c b/Modules/_collectionsmodule.c
index fc4ef15..e454231 100644
--- a/Modules/_collectionsmodule.c
+++ b/Modules/_collectionsmodule.c
@@ -544,7 +544,7 @@
 	}
 	deque->leftblock = NULL;
 	deque->rightblock = NULL;
-	deque->ob_type->tp_free(deque);
+	Py_Type(deque)->tp_free(deque);
 }
 
 static int
@@ -579,7 +579,7 @@
 static PyObject *
 deque_copy(PyObject *deque)
 {
-	return PyObject_CallFunctionObjArgs((PyObject *)(deque->ob_type),
+	return PyObject_CallFunctionObjArgs((PyObject *)(Py_Type(deque)),
 		deque, NULL);
 }
 
@@ -601,7 +601,7 @@
 		Py_DECREF(dict);
 		return NULL;
 	}
-	result = Py_BuildValue("O()ON", deque->ob_type, dict, it);
+	result = Py_BuildValue("O()ON", Py_Type(deque), dict, it);
 	Py_DECREF(dict);
 	return result;
 }
@@ -818,8 +818,7 @@
 Build an ordered collection accessible from endpoints only.");
 
 static PyTypeObject deque_type = {
-	PyObject_HEAD_INIT(NULL)
-	0,				/* ob_size */
+	PyVarObject_HEAD_INIT(NULL, 0)
 	"collections.deque",		/* tp_name */
 	sizeof(dequeobject),		/* tp_basicsize */
 	0,				/* tp_itemsize */
@@ -896,7 +895,7 @@
 dequeiter_dealloc(dequeiterobject *dio)
 {
 	Py_XDECREF(dio->deque);
-	dio->ob_type->tp_free(dio);
+	Py_Type(dio)->tp_free(dio);
 }
 
 static PyObject *
@@ -941,8 +940,7 @@
 };
 
 PyTypeObject dequeiter_type = {
-	PyObject_HEAD_INIT(NULL)
-	0,					/* ob_size */
+	PyVarObject_HEAD_INIT(NULL, 0)
 	"deque_iterator",			/* tp_name */
 	sizeof(dequeiterobject),		/* tp_basicsize */
 	0,					/* tp_itemsize */
@@ -1024,8 +1022,7 @@
 }
 
 PyTypeObject dequereviter_type = {
-	PyObject_HEAD_INIT(NULL)
-	0,					/* ob_size */
+	PyVarObject_HEAD_INIT(NULL, 0)
 	"deque_reverse_iterator",		/* tp_name */
 	sizeof(dequeiterobject),		/* tp_basicsize */
 	0,					/* tp_itemsize */
@@ -1106,7 +1103,7 @@
 	   whose class constructor has the same signature.  Subclasses that
 	   define a different constructor signature must override copy().
 	*/
-	return PyObject_CallFunctionObjArgs((PyObject *)dd->dict.ob_type,
+	return PyObject_CallFunctionObjArgs(Py_Type(dd),
 					    dd->default_factory, dd, NULL);
 }
 
@@ -1149,7 +1146,7 @@
 		Py_DECREF(args);
 		return NULL;
 	}
-	result = PyTuple_Pack(5, dd->dict.ob_type, args,
+	result = PyTuple_Pack(5, Py_Type(dd), args,
 			      Py_None, Py_None, items);
 	Py_DECREF(items);
 	Py_DECREF(args);
@@ -1274,8 +1271,7 @@
 #define DEFERRED_ADDRESS(ADDR) 0
 
 static PyTypeObject defdict_type = {
-	PyObject_HEAD_INIT(DEFERRED_ADDRESS(&PyType_Type))
-	0,				/* ob_size */
+	PyVarObject_HEAD_INIT(DEFERRED_ADDRESS(&PyType_Type), 0)
 	"collections.defaultdict",	/* tp_name */
 	sizeof(defdictobject),		/* tp_basicsize */
 	0,				/* tp_itemsize */