`ent-name` comparison tool

import argparse
import requests
from bs4 import BeautifulSoup

def get_ent_names(url):
    response = requests.get(url)
    response.raise_for_status()
    soup = BeautifulSoup(response.text, 'html.parser')

    names = []
    for el in soup.find_all(class_='ent-name'):
        text = el.get_text(strip=True)
        if text and text not in names:
            names.append(text)
        if len(names) >= limit:
            break
    return names

def compare_ent_names(url1, url2):
    names1 = get_ent_names(url1)
    names2 = get_ent_names(url2)

    only_in_1 = [n for n in names1 if n not in names2]
    only_in_2 = [n for n in names2 if n not in names1]
    in_both   = [n for n in names1 if n in names2]

    def fmt(lst):
        return ", ".join(lst) if lst else "(none)"

    print(f"\n--- Only in URL 1 ({url1}) ---")
    print(fmt(only_in_1))

    print(f"\n--- Only in URL 2 ({url2}) ---")
    print(fmt(only_in_2))

    print(f"\n--- In both ---")
    print(fmt(in_both))

def main():
    parser = argparse.ArgumentParser(
        description="Compare .ent-name elements between two webpages."
    )
    parser.add_argument("url1", help="First URL with `.ent-name`s to compare")
    parser.add_argument("url2", help="Second URL with `.ent-name`s to compare")
    args = parser.parse_args()

    compare_ent_names(args.url1, args.url2)

if __name__ == "__main__":
    main()