[Durian-svn] [1289] cleanup script

[campbell]

Revision: 1289
          https://blenderinstitute.dyndns.org/durian-svn/?do=log&project=durian&path=/&rev=1289
Author:   campbell
Date:     2010-03-11 15:02:13 +0100 (Thu, 11 Mar 2010)
Log Message:
-----------
cleanup script

Added Paths:
-----------
    pro/scripts/ui/action_clear_unused.py

Added: pro/scripts/ui/action_clear_unused.py
===================================================================
--- pro/scripts/ui/action_clear_unused.py	                        (rev 0)
+++ pro/scripts/ui/action_clear_unused.py	2010-03-11 14:02:13 UTC (rev 1289)
@@ -0,0 +1,41 @@
+import bpy
+
+class ClearUnusedActions(bpy.types.Operator):
+    ''''''
+    bl_idname = "action.clear_unused"
+    bl_label = "Clear All Unused"
+    bl_options = {'UNDO'}
+
+    def execute(self, context):
+        clear = 0
+        tot = 0
+        for act in bpy.data.actions:
+            if act.library == None:
+                users = act.users
+                if act.fake_user:
+                    users -= 1
+                
+                if users == 0:
+                    act.user_clear()
+                    clear += 1
+
+                tot += 1
+        
+        self.report({'WARNING'}, "Cleared %d of %d actions! (save and reload)" % (clear, tot))
+        return {'FINISHED'}
+
+
+menu_func = (lambda self, context: self.layout.operator(ClearUnusedActions.bl_idname))
+
+
+def register():
+    bpy.types.register(ClearUnusedActions)
+    bpy.types.DOPESHEET_HT_header.append(menu_func)
+    
+def unregister():
+    bpy.types.unregister(ClearUnusedActions)
+    bpy.types.DOPESHEET_HT_header.remove(menu_func)
+
+if __name__ == "__main__":
+    register()
+