BOJからPDFがリリースされたらMacが喋る

import requests
import time
import os

def download():
    URL = 'http://www.boj.or.jp/announcements/release_2018/k180731a.pdf'
    response = requests.get(URL)
    if response.status_code == 200:
        with open('./k180731a.pdf', 'wb') as f:
            f.write(response.content)
        return True
    else:
        os.system('say not found')
        return False


if __name__ == '__main__':
    while True:
        time.sleep(5)
        x = download()
        if x:
            os.system('say released')
            break