gistfile1.txt

    def linked_object_obj(self, obj):

        print obj

        try:
           o = obj.getObject()
        except Exception:
           o = None   
        return  o


        try:     
          object_path = obj.getObject().getPhysicalPath()
        except AttributeError:
          object_path = '/'
          
        if object_path is None or len(object_path)==0:
            return None

        if object_path[0]=='/':
            object_path = object_path[1:]
            
        return self.portal.restrictedTraverse(object_path, default=None)