fix Curve.update() method to use new DAG features.

source/blender/python/api2_2x/Curve.c

@@ -440,7 +440,8 @@ PyObject *Curve_Init( void )
 {
 	PyObject *submodule;
 
-	Curve_Type.ob_type = &PyType_Type;
+	if( PyType_Ready( &Curve_Type) < 0) /* set exception.  -1 is failure */
+		return NULL;
 
 	submodule =
 		Py_InitModule3( "Blender.Curve", M_Curve_methods,
@@ -1280,10 +1281,9 @@ static PyObject *Curve_appendNurb( BPy_Curve * self, PyObject * args )
 
 PyObject *Curve_update( BPy_Curve * self )
 {
-	freedisplist( &self->curve->disp ); 
+	Object_updateDag( (void*) self->curve );
 
-	Py_INCREF( Py_None );
-	return Py_None;
+	Py_RETURN_NONE;
 }
 
 /*

source/blender/python/api2_2x/Object.c

@@ -116,10 +116,6 @@ static PyObject *M_Object_GetSelected( PyObject * self, PyObject * args );
 /* HELPER FUNCTION FOR PARENTING */
 static PyObject *internal_makeParent(Object *parent, PyObject *py_child, int partype, int noninverse, int fast, int v1, int v2, int v3);
 
-extern int Text3d_CheckPyObject( PyObject * py_obj );
-extern struct Text3d *Text3d_FromPyObject( PyObject * py_obj );
-
-
 /*****************************************************************************/
 /* The following string definitions are used for documentation strings.	 */
 /* In Python these will be written to the console when doing a		 */
@@ -4077,3 +4073,23 @@ int setupPI(Object* ob){
 	   return 0;
     }
 }
+
+/*
+ * scan list of Objects looking for matching obdata.
+ * if found, set OB_RECALC_DATA flag.
+ * call this from a bpy type update() method.
+ */
+
+void Object_updateDag( void *data )
+{
+	Object *ob;
+
+	if( !data)
+		return;
+
+	for( ob= G.main->object.first; ob; ob= ob->id.next){
+		if( ob->data == data){
+			ob->recalc |= OB_RECALC_DATA;
+		}
+	}
+}

source/blender/python/api2_2x/Object.h

@@ -57,6 +57,8 @@ Object *Object_FromPyObject( PyObject * py_obj );
 int Object_CheckPyObject( PyObject * py_obj );
 Object *GetObjectByName( char *name );
 
+void Object_updateDag( void *data );
+
 int EXPP_add_obdata( struct Object *object );
 
 #endif				/* EXPP_OBJECT_H */