python实现IP地址转换为32位二进制

python实现IP地址转换为32位二进制

!/usr/bin/env python

-- coding:utf-8 --

class IpAddrConverter(object):

def init(self, ip_addr):
self.ip_addr = ip_addr

@staticmethod
def _get_bin(target):
if not target.isdigit():
raise Exception('bad ip address')
target = int(target)
assert target < 256, 'bad ip address'
res = ''
temp = target
for t in range(8):
a, b = divmod(temp, 2)
temp = a
res += str(b)
if temp == 0:
res += '0' * (7 - t)
break
return res[::-1]

def to_32_bin(self):
temp_list = self.ip_addr.split('.')
assert len(temp_list) == 4, 'bad ip address'
return ''.join(list(map(self._get_bin, temp_list)))

if name == 'main':
ip = IpAddrConverter("192.168.25.68")
print(ip.to_32_bin())