option_class.py 文件源码

def set_time_to_maturity(self, time_to_maturity_in_days):
        if self.get_evaluation_date() is None:
            self.set_evaluation_date(Timestamp(datetime.now().strftime('%Y-%m-%d')))
        self.set_maturity_date(self.get_evaluation_date() + DateOffset(days=time_to_maturity_in_days))
        return self