change_mac_4_linux.py

import re
import subprocess
from random import choice, randint

interface = input("Enter your network interface: ").strip()
choice_num = input("Enter your new mac address[0]/random mac[1]: ").strip()
if choice_num == 0:
    new_mac = input("new mac: ").strip()
else choice_num == 1:
    new_mac = mac_random()
else:
    new_mac = mac_random()


def changeMac(interface, new_mac):
    subprocess.call(['ifconfig ' + str(interface) + ' down'], shell=True)
    subprocess.call(['ifconfig ' + str(interface) +
                     " hw ether " + str(new_mac) + ' '], shell=True)
    subprocess.call(['ifconfig ' + str(interface) + ' up'], shell=True)


def mac_random():
    cisco = ["00", "40", "96"]
    dell = ["00", "14", "22"]
    mac_address = choice([cisco, dell])
    for i in range(3):
        one = choice(str(randint(0, 9)))
        two = choice(str(randint(1, 8)))
        three = str(one + two)
        mac_address.append(three)
    return ":".join(mac_address)


def currentMac():
    output = subprocess.check_output(['ifconfig ' + 'wlan0'], shell=True)
    current_mac = re.search(r"\w\w:\w\w:\w\w:\w\w:\w\w:\w\w", str(output))
    print(f"The old mac address: {current_mac}")


def main():
    currentMac()
    changeMac(interface, new_mac)


if __name__ == '__main__':
    main()