def toordinal(self):
        if self.ordinal is None:
            self.ordinal = _ymd2ord(self.year, self.month, self.day)
        return self.ordinal
Set service as running (or not) on a day of the week. By default the
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/datetime.py/tmxxx.toordinal--crossover with--dataset/ETHPy150Open google/transitfeed/transitfeed/serviceperiod.py/ServicePeriod.SetDayOfWeekHasService