Change WLAN MAC address randomly in OSX

wlan_mac.py

#!/usr/bin/python
import os
import sys


check_root = os.popen("whoami").read().strip()
if check_root == "root":
    mac_real = os.popen("ifconfig en0 | grep ether") \
        .read().strip().replace("ether ", "")
    mac_hex = os.popen("openssl rand -hex 6").read().strip()
    mac_fake = ""
    for i in range(len(mac_hex)):
        if(i % 2 == 1):
            mac_fake += mac_hex[i] + ":"
        else:
            mac_fake += mac_hex[i]
            mac_fake = final_data[:-1]
            os.system("ifconfig en0 ether " + final_data)
else:
    os.system("sudo python wlan_mac.py")
    sys.exit()