Extract all images from a website url

main.py

import re 
import requests
from bs4 import BeautifulSoup

def extract_images(site):
    """ Extract images from the url given"""
    response = requests.get(site)

    soup = BeautifulSoup(response.text, 'html.parser')
    
    img_tags = soup.find_all('img')
    

    # extract the urls
    urls = [img['src'] for img in img_tags]

    for url in urls:
        pattern = r'/([\w_-]+[.](jpg|gif|png))$' # pattern to extract image files

        filename = re.search(pattern, url)
        
        if not filename:
            print("No filename {}", url)
            continue
        
        with open(filename.group(1), 'wb') as f:
            if 'http' not in url:       # relative reques?
                url = "{}{}".format(site, url)

            print(url)

            response = requests.get(url)
            f.write(response.content)


if __name__ == "__main__":
    site = "https://heartofvegasslots.com/#="
    
    extract_images(site)