def ip_address_validators(protocol, unpack_ipv4):
    if protocol != 'both' and unpack_ipv4:
        raise ValueError(
            "You can only use `unpack_ipv4` if `protocol` is set to 'both'")
    try:
        return ip_address_validator_map[protocol.lower()]
    except KeyError:
        raise ValueError("The protocol '%s' is unknown. Supported: %s"
                         % (protocol, list(ip_address_validator_map)))
Flush all storage in a memcached instance.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/core/validators.py/ip_address_validators--crossover with--dataset/ETHPy150Open dustin/memcached-test/mc_bin_client.py/MemcachedClient.flush