https://permanent-redirect.xyz/pages/1515552065

find_art.py

import requests
import sys
import webbrowser
from bs4 import BeautifulSoup

HAS_MOVED = 'This art has moved to a new URL. The art is now visible at:'

def get_link_to_next_art(soup):
	return 'https://{}'.format(soup.findAll("a")[0].getText())

def load_soup(url):
	page = requests.get(url)
	return BeautifulSoup(page.content, "lxml")

def find_art(seed_url, count):
	if not count % 10:
		print('Checking {}'.format(seed_url))
		print('Checked {} links so far'.format(count))
	soup = load_soup(seed_url)
	if soup.body.findAll(text=HAS_MOVED):
		count += 1
		find_art(get_link_to_next_art(soup), count)
	else:
		print('Found the art at {}!'.format(seed_url))
		# race condition here, this next call might not actually be the art :/
		webbrowser.open(get_link_to_next_art(load_soup(seed_url)))

if __name__ == '__main__':
	if not len(sys.argv) > 1:
		raise Exception('Please provide a URL where you have seen the art.')
	try:
		find_art(sys.argv[1], 1)
	except RecursionError:
		print('The world is changing too quickly. Try again with a more recent art location.')