URL Lengthener

lengthen.py

import requests
import argparse

def lengthen(url):
	if not url.lower().startswith(("http://", "https://")):
		url = "http://" + url
	http_req = requests.get(url)
	return http_req.url

def main():
	parser = argparse.ArgumentParser(description='Given a shortened URL, display the final URL after redirect.')
	parser.add_argument('url', metavar='url', help="Shortened URL.")
	args = parser.parse_args()
	url = args.url
	
	result = lengthen(url)
	print("[+] Final URL: " + result)

if __name__ == '__main__':
	main()