grab_twitter_handles.py

import re
from urllib.parse import urlparse
import click
import requests
from bs4 import BeautifulSoup


@click.command()
@click.argument('url')
def grab_twitter_handles(url):
    res = requests.get(url)
    soup = BeautifulSoup(res.text, features='html.parser')
    twit_links = []
    for link in soup('a', href=re.compile('twitter.com')):
        twit_links.append(urlparse(link['href']).path[1:])

    print("\n".join(twit_links))


if __name__ == '__main__':
    grab_twitter_handles()