events.py 文件源码

def get_last_trading_day_of_month(self, dt, env):
        self.month = dt.month

        if dt.month == 12:
            # Roll the year foward and start in January.
            year = dt.year + 1
            month = 1
        else:
            # Increment the month in the same year.
            year = dt.year
            month = dt.month + 1

        self.last_day = env.previous_trading_day(
            dt.replace(year=year, month=month, day=1)
        ).date()
        return self.last_day


# Stateful rules