From 9d13224e1af758ab2ad2d501ca52f4403ac9adad Mon Sep 17 00:00:00 2001 From: Campbell Barton Date: Wed, 5 Oct 2011 07:28:59 +0000 Subject: fix [#28807] Drivers breaking by undo --- source/blender/python/intern/bpy_driver.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'source/blender/python/intern/bpy_driver.c') diff --git a/source/blender/python/intern/bpy_driver.c b/source/blender/python/intern/bpy_driver.c index f3ef55d29c4..319790340ca 100644 --- a/source/blender/python/intern/bpy_driver.c +++ b/source/blender/python/intern/bpy_driver.c @@ -41,6 +41,9 @@ #include "bpy_driver.h" +extern void BPY_update_rna_module(void); + + /* for pydrivers (drivers using one-line Python expressions to express relationships between targets) */ PyObject *bpy_pydriver_Dict= NULL; @@ -164,6 +167,10 @@ float BPY_driver_exec(ChannelDriver *driver) if(use_gil) gilstate= PyGILState_Ensure(); + /* needed since drivers are updated directly after undo where 'main' is + * re-allocated [#28807] */ + BPY_update_rna_module(); + /* init global dictionary for py-driver evaluation settings */ if (!bpy_pydriver_Dict) { if (bpy_pydriver_create_dict() != 0) { -- cgit v1.2.3