utils.py 文件源码

def rrule_to_schedule(rrule, dtstart=None):
    """
    Convert an rrule data structure to schedule
    """
    if not hasattr(rrule, '_freq'):
        raise Exception("Missing _freq")

    if rrule._freq + 1 > len(FREQUENCY_STRUCT):
        raise Exception("Can't do that frequency.")

    schedule = FREQUENCY_STRUCT[rrule._freq](rrule)

    past = rrule._until and tz.now().date() > rrule._until.date()
    upcoming = dtstart is not None and tz.now().date() < dtstart
    current = not upcoming and not past

    schedule_type = ''
    if past:
        schedule_type = 'past'
    elif upcoming:
        schedule_type = 'upcoming'
    elif current:
        schedule_type = 'current'

    schedule = schedule._replace(schedule_type=schedule_type)

    if rrule._until:
        if dtstart is not None:
            schedule = schedule._replace(date_range=" - ".join([datetime.datetime.strftime(dtstart, DATE_FORMAT), rrule._until.strftime(DATE_FORMAT)]))
        else:
            schedule = schedule._replace(date_range=" ".join([_('until'), rrule._until.strftime(DATE_FORMAT)]))

        schedule = schedule._replace(end_date=rrule._until.date())
    # elif rrule._count:
    #     text.extend([' ', _('for'), ' ', str(rrule._count), ])
    #     text.extend([' ', gettext.ngettext('time', 'times', rrule._count)])

    return schedule