[Python] プレミアムフライデー判定

今日はプレミアムフライデーですね。

# -*- coding: utf-8 -*-

import datetime
import calendar

def get_premium_friday_list(year):
    pre_fri_list = []
    for month in range(1, 13):
        lastfri = max(week[calendar.FRIDAY] for week in calendar.monthcalendar(year, month))
        pre_fri = '{}-{}-{}'.format(year, month, lastfri)
        pre_fri_list.append(pre_fri)
    return pre_fri_list

def main():
    now = datetime.datetime.now()
    date = now.strftime('%Y-%m-%d')
    if date in get_premium_friday_list(now.year):
        # プレ金だったときのなにか

if __name__ == '__main__':
    main()