def prepare_worker_options(self):
        """
        Prepare (and return as a dict) all options to be passed to the worker
        """
        worker_options = dict()
        for option_name in (self.options.worker_class.parameters):
            option = getattr(self.options, option_name)
            if option is not None:
                worker_options[option_name] = option
        return worker_options