Pythonで1時間ごとにWebページの更新をチェックし、LINEまたはメールで通知する方法

import requests
import os
import time
from bs4 import BeautifulSoup
import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart

# LINE Notifyのアクセストークン
LINE_NOTIFY_TOKEN = "YOUR_LINE_NOTIFY_TOKEN"

# メール送信用の設定
FROM_EMAIL = "your_email@gmail.com"
EMAIL_PASSWORD = "your_app_password"
TO_EMAIL = "recipient_email@example.com"

# WebページのURLリスト
urls = [
    "https://example1.com",
    "https://example2.com",
    "https://example3.com"
]

# ページのHTMLを保存するディレクトリ
content_dir = "page_contents"

# BeautifulSoupでページの内容を取得する関数
def fetch_page_content(url):
    headers = {
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36"
    }
    response = requests.get(url, headers=headers)
    
    if response.status_code == 200:
        soup = BeautifulSoup(response.content, 'html.parser')
        return soup.prettify()
    else:
        print(f"Error {response.status_code} fetching {url}")
        return None

# ページの内容が変更されたか確認する関数
def has_page_changed(new_content, file_path):
    if not os.path.exists(file_path):
        return True
    
    with open(file_path, 'r', encoding='utf-8') as file:
        previous_content = file.read()
    
    return new_content != previous_content

# ページの内容を保存する関数
def save_page_content(content, file_path):
    with open(file_path, 'w', encoding='utf-8') as file:
        file.write(content)

# LINE Notifyで通知を送る関数
def send_line_notify(message):
    url = "https://notify-api.line.me/api/notify"
    headers = {"Authorization": f"Bearer {LINE_NOTIFY_TOKEN}"}
    data = {"message": message}
    requests.post(url, headers=headers, data=data)

# メールで通知を送る関数
def send_email(subject, message):
    msg = MIMEMultipart()
    msg['From'] = FROM_EMAIL
    msg['To'] = TO_EMAIL
    msg['Subject'] = subject

    body = MIMEText(message, 'plain')
    msg.attach(body)

    server = smtplib.SMTP('smtp.gmail.com', 587)
    server.starttls()
    server.login(FROM_EMAIL, EMAIL_PASSWORD)
    server.sendmail(FROM_EMAIL, TO_EMAIL, msg.as_string())
    server.quit()

# メイン処理
def main():
    if not os.path.exists(content_dir):
        os.makedirs(content_dir)
    
    changed_urls = []

    for url in urls:
        file_name = os.path.join(content_dir, url.replace("https://", "").replace("/", "_") + ".html")
        
        new_content = fetch_page_content(url)
        
        if new_content is None:
            continue
        
        if has_page_changed(new_content, file_name):
            changed_urls.append(url)
            save_page_content(new_content, file_name)

    if changed_urls:
        message = "以下のWebページが更新されました:\n" + "\n".join(changed_urls)
        send_line_notify(message)  # LINE Notifyで通知
        send_email("Webページ更新通知", message)  # メールで通知
    else:
        print("変更はありませんでした")

if __name__ == "__main__":
    while True:
        main()  # メイン処理を実行
        time.sleep(3600)  # 1時間（3600秒）待機

python your_script.py