def notrack_this(cls):
 if (not hasattr(cls, '_no_instance_tracking')):
  cls._no_instance_tracking = cls
 return cls

def notrack_this ( cls ) : if ( not hasattr ( cls , '_no_instance_tracking' ) ) : cls . _no_instance_tracking = cls return cls
disables instance tracking of plugin instances within plugincontext via get/get_all and similar methods .