python 获取Linux IP

import socket

import fcntl

import struct


def get_ip_address(ifname):

    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

    return socket.inet_ntoa(fcntl.ioctl(

        s.fileno(),

        0x8915,  # SIOCGIFADDR

        struct.pack('256s', ifname[:15])

    )[20:24])


print get_ip_address('eth0')


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