【python】 IPv6 十六进制转十进制

# coding:utf-8


class Ipv6:
    def __init__(self):
        pass

    def get_end_ipv6_with_mask(self, ipv6, mask):
        start_ipv6 = self.ipv6_2_dec(ipv6)
        return start_ipv6 + 2 ** (128 - int(mask)) - 1

    def ipv6_2_dec(self, ipv6):
        has_compress = ipv6.find('::') > -1
        has_ipv4 = ipv6.find('.') > -1
        if not has_compress and not has_ipv4:
            return self._ipv6_2_dec_without_compress(ipv6)
        elif has_compress and not has_ipv4:
            return self._ipv6_2_dec_with_compress(ipv6)
        elif not has_compress and has_ipv4:
            ipv4, ipv6 = self._split_ipv4_ipv6(ipv6)
            return self._ipv4_2_dec(ipv4) + self._ipv6_2_dec_without_compress(ipv6)
        ipv4, ipv6 = self._split_ipv4_ipv6(ipv6)
        return self._ipv4_2_dec(ipv4) + self._ipv6_2_dec_with_compress(ipv6)

    @staticmethod
    def _ipv4_2_dec(ip):
        dec_value &#