ipaddr.py 文件源码

def slaac(value, query = ''):
    ''' Get the SLAAC address within given network '''
    try:
        vtype = ipaddr(value, 'type')
        if vtype == 'address':
            v = ipaddr(value, 'cidr')
        elif vtype == 'network':
            v = ipaddr(value, 'subnet')

        if ipaddr(value, 'version') != 6:
            return False

        value = netaddr.IPNetwork(v)
    except:
        return False

    if not query:
        return False

    try:
        mac = hwaddr(query, alias = 'slaac')

        eui = netaddr.EUI(mac)
    except:
        return False

    return eui.ipv6(value.network)


# ---- HWaddr / MAC address filters ----