def _id_from_url(url):
    id = url.rsplit('/', 1)[1]
    return id
Supported challenges validator for the `argparse`.
dataset/ETHPy150Open xively/xively-python/xively/managers.py/_id_from_url--crossover with--dataset/ETHPy150Open letsencrypt/letsencrypt/certbot/plugins/standalone.py/supported_challenges_validator