HKSNEIDN watcher

hksneidn.py

import time
from datetime import datetime
from email.utils import parsedate

# pip install requests
import requests


last = None

while True:
    try:
        res = requests.get('https://www.hokushin-eiden.co.jp/')
    except:
        res = None

    if res is None or res.status_code != 200:
        time.sleep(60)
        continue

    # https://stackoverflow.com/questions/1471987/how-do-i-parse-an-http-date-string-in-python
    dt = datetime(*parsedate(res.headers['Last-Modified'])[:6])

    if last is None:
        print(f'Last-Modified: {dt.isoformat()}')
        print("I'll tell you when it's updated")
        last = dt
    elif last < dt:
        print('UPDATED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1')
        print('UPDATED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1')
        print('UPDATED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1')
        print('UPDATED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1')
        print('UPDATED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1')
        print('UPDATED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1')
        print('UPDATED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1')
        print('UPDATED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1')
        last = dt

    time.sleep(60)