ip转换

ip-convert.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

def ip2int(ip):
    return sum(
        int(i)*(256**pos)
        for pos, i in enumerate(reversed( ip.split('.')))
        )

def int2ip(num):
    s = hex(num).lstrip('0x').zfill(8)
    t = iter(s)
    return '.'.join(str(int(a+b,16))  for a,b in zip(t,t))


if __name__ == "__main__":
    ip = '7.233.233.172'
    print ip2int(ip)
    print int2ip(ip2int(ip))