__init__.py 文件源码

def ipv6_asn(ifname):
    try:
        c = pycurl.Curl()
        body = BytesIO()
        c.setopt(c.URL, "https://stat.ripe.net/data/prefix-overview/data.json?resource={}"
                 .format(ipv6_address_public(ifname)))
        c.setopt(c.INTERFACE, ifname)
        c.setopt(c.WRITEDATA, body)
        c.perform()
        asns = json.loads((body.getvalue()).decode('utf-8'))['data']['asns']
        if len(asns) == 1:
            return asns[0]['asn']
        else:
            return None
    except pycurl.error:
        return None