1 files changed, 16 insertions, 7 deletions
diff --git a/bck_export.py b/bck_export.py
index 5c4f6d7..696f9ce 100644
--- a/bck_export.py
+++ b/bck_export.py
@@ -315,10 +315,19 @@ class export_bck(Operator, ExportHelper):
 def menu_export_bck(self, context):
   self.layout.operator(export_bck.bl_idname, text = "BCK for SMG (.bck)")
 
-bpy.utils.register_class(export_bck)
-bpy.types.INFO_MT_file_export.append(menu_export_bck)
-
-# test call
-bpy.ops.export_scene.bck("INVOKE_DEFAULT")
-
-
+# register func
+@bpy.app.handlers.persistent
+def register(dummy):
+  try:
+    bpy.utils.register_class(export_bck)
+    bpy.types.INFO_MT_file_export.append(menu_export_bck)
+  except:
+    return
+    
+# unregister func
+def unregister():
+  try:
+    bpy.utils.unregister_class(export_bck)
+    bpy.types.INFO_MT_file_export.remove(menu_export_bck)
+  except:
+    return