future.py 文件源码

def __init__(self, begin=None, end=None):
        """
        self.calendar ????
            type  weekday    next_td   tradeday day_trade night_trade  midnight_trade
date
2016-01-01     2        5 2016-01-04 2016-01-01      True        True           True
2016-01-02     3        6 2016-01-04 2016-01-04     False       False           True

        :param begin:
        :param end:
        """

        # ?????, pd.Sereis, date: type
        self.holidays = self.get_holiday_json()

        self.begin = begin or self.yearbegin()
        self.end = end or self.yearend()  # ??1?10?
        if self.holidays.shape[0]:
            end = max(self.holidays.index)
            end = pd.to_datetime(end)
            self.end = self.end.replace(end.year + 1)

        # ????
        self.calendar = self.getCalendar()