import re
import requests
from urllib.parse import urljoin

def extract_image_urls(base_url, html_content):
image_urls = re.findall(r'img\/\d+\.jpg', html_content)
absolute_image_urls = [urljoin(base_url, img_url) for img_url in image_urls]
return absolute_image_urls

user_url = input("URLを入力してください: ")
response = requests.get(user_url)
if response.status_code == 200:
base_url = response.url[:response.url.rfind('/') + 1]
html_content = response.text
image_urls = extract_image_urls(base_url, html_content)
if image_urls:
print("画像URL一覧:")
for img_url in image_urls:
print(img_url)
else:
print("画像URLが見つかりませんでした。")
else:
print("Failed to fetch URL:", user_url)

【実行結果例】
URLを入力してください: http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/hoshino_natsuki.html
画像URL一覧:
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/1.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/2.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/3.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/4.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/5.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/6.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/7.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/8.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/9.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/10.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/11.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/12.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/13.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/14.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/15.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/16.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/17.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/18.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/19.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/20.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/21.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/22.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/23.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/24.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/25.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/26.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/27.jpg
http://www.kaitorimax.com/signkai/2023/0723_hoshino_natsuki/img/28.jpg

[Program finished]