Python accesses the Innocence IP database

巴扎黑
Release: 2016-12-08 10:01:51
Original
1853 people have browsed it

#!/usr/bin/env python  

#site www.jbxue.com  

#   

# -*- coding: utf-8 -*-   

  

from bisect import bisect   

  

_LIST1, _LIST2 = [], []   

_INIT = False   

  

ip2int = lambda ip_str: reduce(lambda a, b: (a << 8) + b, [int(i) for i in ip_str.split('.')])   

  

def _init():   

global _LIST, _INIT   

if not _INIT:   

for l in open('ipdata.txt', 'rb'):   

ip1, ip2 = l.split()[:2]   

addr = ' '.join(l.split()[2:])   

ip1, ip2 = ip2int(ip1), ip2int(ip2)   

_LIST1.append(ip1)   

_LIST2.append((ip1, ip2, addr))   

_INIT = True   

   

def ip_from(ip):   

_init()   

i = ip2int(ip)   

idx = bisect(_LIST1, i)   

assert(idx > 0)   

if len(_LIST1) <= idx:   

return u'unknown ip address %s' % ip   

else:   

frm, to ,addr = _LIST2[idx - 1]   

if frm <= i <= to:   

return addr   

else:   

return u'unknown ip address %s' % ip   

  

if __name__ == '__main__':   

print ip_from('115.238.54.106')   

print ip_from('220.181.29.160')   

print ip_from('115.238.54.107')   

print ip_from('8.8.8.8')   


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