def SetWeekdayService(self, has_service=True):
    for i in range(0, 5):
      self.SetDayOfWeekHasService(i, has_service)
Set service as running (or not) on all of Monday through Friday.
dataset/ETHPy150Open google/transitfeed/transitfeed/serviceperiod.py/ServicePeriod.SetWeekdayService