signs.py 文件源码

def get_day_based_on_tz(day, tz):
    """Gets the client date() based on tz passed as parameter.
    """
    server_day = datetime.now(tz=pytz.timezone(SERVER_TIMEZONE))
    if tz is not None and tz in pytz.all_timezones:
        client_day = server_day.astimezone(pytz.timezone(tz)).date()
        # else not necessary, same day
        asked = TIMEDELTA_DAYS[day]
        asked_date = client_day + timedelta(days=asked)
        if asked_date > server_day.date():
            day = 'tomorrow'
        elif asked_date < server_day.date():
            day = 'yesterday'
        elif asked == -1 and asked_date == server_day.date():
            day = 'today'
    return day