timetable_generator.py 文件源码

def calculate_mean_departure_datetime(departure_datetimes):
    """
    Calculate the mean value of a list of departure_datetime values.

    :param departure_datetimes: [datetime]
    :return: mean_departure_datetime: datetime
    """
    total = 0
    number_of_departure_datetimes = len(departure_datetimes)

    for departure_datetime in departure_datetimes:
        total += (departure_datetime.hour * 3600) + (departure_datetime.minute * 60) + departure_datetime.second

    avg = total / number_of_departure_datetimes
    minutes, seconds = divmod(int(avg), 60)
    hours, minutes = divmod(minutes, 60)
    mean_departure_datetime = datetime.combine(departure_datetimes[0].date(), time(hours, minutes, seconds))

    return mean_departure_datetime