[Bf-blender-cvs] [14b9c79] master: Fix for another deadlock with py-drivers: BlendData.scene.remove()

[Campbell Barton]

Commit: 14b9c79483ec5f282dc04a5efe5945653dc0a678
Author: Campbell Barton
Date:   Mon Feb 17 19:29:37 2014 +1100
https://developer.blender.org/rB14b9c79483ec5f282dc04a5efe5945653dc0a678

Fix for another deadlock with py-drivers: BlendData.scene.remove()

===================================================================

M	source/blender/makesrna/intern/rna_main_api.c
M	source/blender/makesrna/intern/rna_screen.c

===================================================================

diff --git a/source/blender/makesrna/intern/rna_main_api.c b/source/blender/makesrna/intern/rna_main_api.c
index 5d0d7bf..e008841 100644
--- a/source/blender/makesrna/intern/rna_main_api.c
+++ b/source/blender/makesrna/intern/rna_main_api.c
@@ -104,6 +104,10 @@
 
 #include "BLF_translation.h"
 
+#ifdef WITH_PYTHON
+#  include "BPY_extern.h"
+#endif
+
 static Camera *rna_Main_cameras_new(Main *bmain, const char *name)
 {
 	ID *id = BKE_camera_add(bmain, name);
@@ -138,7 +142,17 @@ static void rna_Main_scenes_remove(Main *bmain, bContext *C, ReportList *reports
 	{
 		bScreen *sc = CTX_wm_screen(C);
 		if (sc->scene == scene) {
+
+#ifdef WITH_PYTHON
+			BPy_BEGIN_ALLOW_THREADS;
+#endif
+
 			ED_screen_set_scene(C, sc, scene_new);
+
+#ifdef WITH_PYTHON
+			BPy_END_ALLOW_THREADS;
+#endif
+
 		}
 
 		BKE_scene_unlink(bmain, scene, scene_new);
diff --git a/source/blender/makesrna/intern/rna_screen.c b/source/blender/makesrna/intern/rna_screen.c
index 5902f30..adea1f6 100644
--- a/source/blender/makesrna/intern/rna_screen.c
+++ b/source/blender/makesrna/intern/rna_screen.c
@@ -81,13 +81,13 @@ static void rna_Screen_scene_update(bContext *C, PointerRNA *ptr)
 	/* exception: must use context so notifier gets to the right window  */
 	if (sc->newscene) {
 #ifdef WITH_PYTHON
-	BPy_BEGIN_ALLOW_THREADS;
+		BPy_BEGIN_ALLOW_THREADS;
 #endif
 
 		ED_screen_set_scene(C, sc, sc->newscene);
 
 #ifdef WITH_PYTHON
-	BPy_END_ALLOW_THREADS;
+		BPy_END_ALLOW_THREADS;
 #endif
 
 		WM_event_add_notifier(C, NC_SCENE | ND_SCENEBROWSE, sc->newscene);