signals.py 文件源码

def set_domain_name_for_ipv6_subnet(sender, instance, **kwargs):
    if len(instance.domain_name) > 0:
        return

    network = ipaddress.IPv6Address("%s::" % instance.network)
    instance.domain_name = ".".join(network.exploded.replace(":", "")[:16])[::-1] + ".ip6.arpa"