Try to work out if AirBnB listings still exists from its url

try_airbnb.py

#!/usr/bin/env python

import requests
import sys
import time
import re

PAT = re.compile(r'^https?://(?:w{3}\.)?airbnb\..*/([^/]+)/?$')


def try_airbnb(url, exclude=False):
    m = PAT.match(url)
    if m:
        r = requests.get(url)
        if r.status_code == requests.codes.ok and r.url.endswith(m.group(1)):
            print url
        elif not exclude:
            print '~~%s~~' % url


if __name__ == '__main__':
    exclude = (len(sys.argv) > 1 and sys.argv[1] == '-e')
    try:
        for line in sys.stdin:
            line = line.strip()
            if line:
                time.sleep(0.2)    # bless
                try_airbnb(line, exclude=exclude)
    except KeyboardInterrupt:
        pass

cat list_of_airbnb_urls | ./try_airbnb.py