Uniqloでエアリズムマスクが購入可能かどうかチェックするスクリプト（Mac用、購入可能通知）

uniqlo_mask.py

import urllib.request #ライブラリをインポートします
from bs4 import BeautifulSoup
import threading
import os

class UniqloMask:
    """
    Uniqloエアリズムマスクの購入ボタン監視のスクレイピングクラス
    """
    def __init__(self, url):
        self.url = url

    def execute(self):
        headers = { "User-Agent": "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:47.0) Gecko/20100101 Firefox/47.0" }

        request = urllib.request.Request(self.url, headers=headers) 
        html = urllib.request.urlopen(request)

        if html.getcode() != 200:
            print("html.getcode(): %d" % html.getcode())
            return

        soup = BeautifulSoup(html, 'html.parser')
        not_buyable_airism_button = soup.find('a', class_='fr-linkButton -black fr-sp-mt-l u-sp-mb-none fr-pc-mt-l js-trackEvent -disabled')

        if not_buyable_airism_button == None:
            print('エアリズムマスク買えるよん')
            os.system("osascript -e 'display notification \"You may be able to buy an AIRism mask.\"'")
        else:
            print(not_buyable_airism_button.text.strip())

        return

def set_interval(func, sec):
    def func_wrapper():
        set_interval(func, sec)
        func()
    t = threading.Timer(sec, func_wrapper)
    t.start()
    return t


uniqlo_mask = UniqloMask(url='https://www.uniqlo.com/jp/ja/contents/feature/airism-mask/')
uniqlo_mask.execute()
set_interval(uniqlo_mask.execute, 600)