From c4b8a431bcb4b02c9da4e14485e97f6e4cbfa3a3 Mon Sep 17 00:00:00 2001
From: Stephen Swaney <sswaney@centurytel.net>
Date: Thu, 29 Sep 2005 07:05:00 +0000
Subject: [PATCH] fix Curve.update() method to use new DAG features.

---
 source/blender/python/api2_2x/Curve.c  |  8 ++++----
 source/blender/python/api2_2x/Object.c | 24 ++++++++++++++++++++----
 source/blender/python/api2_2x/Object.h |  2 ++
 3 files changed, 26 insertions(+), 8 deletions(-)

diff --git a/source/blender/python/api2_2x/Curve.c b/source/blender/python/api2_2x/Curve.c
index 1a65031f1a7..a79f1e63c4c 100644
--- a/source/blender/python/api2_2x/Curve.c
+++ b/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;
 }
 
 /*
diff --git a/source/blender/python/api2_2x/Object.c b/source/blender/python/api2_2x/Object.c
index 25c21c4a587..db0584bcefd 100644
--- a/source/blender/python/api2_2x/Object.c
+++ b/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;
+		}
+	}
+}
diff --git a/source/blender/python/api2_2x/Object.h b/source/blender/python/api2_2x/Object.h
index c97e2346c07..79783db619f 100644
--- a/source/blender/python/api2_2x/Object.h
+++ b/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 */