HideMAC v1.4

#!/usr/bin/env python
# HideMAC 1.4....
# By infodox - credit to Trip from Hak5 for the getmac function, as mine did not work!
# This version includes a quick "get interface names" function...
import os
import commands
import sys
import random
# Function: amiroot()
def amiroot():
    if os.geteuid() != 0:
        print("[-] sorry, you need to run this as root")
        sys.exit(1)
    else:
        pass

# Function: get_ifaces()
def get_ifaces():
    airmon = os.popen("airmon-ng")
    ifacelst = airmon.readlines()
    li=0
    for line in ifacelst:
        line = line.replace("Interface\tChipset\t\tDriver","")
        line = line.strip()
        inum = li + 1
        if line:
            line = line.split("\t\t")
            print(line[0])
            ifaces = line[0]
            return ifaces

# Function: randommac()
def randomMAC():
    mac = [ 0x00,
      random.randint(0x00, 0xff),
      random.randint(0x00, 0xff),
      random.randint(0x00, 0xff),
      random.randint(0x00, 0xff),
      random.randint(0x00, 0xff) ]
    return ':'.join(map(lambda x: "%02x" % x, mac))
    return newmac

# Function: getmac(iface)
def getmac(iface):
    data = commands.getoutput("ifconfig " + iface)
    words = data.split()
    found = 0
    for x in words:
        #print x
        if found != 0:
            mac = x
            break
        if x == "HWaddr":
            found = 1
    if len(mac) == 0:
        mac = 'Mac not found'
    mac = mac[:17]
    print(mac)

# Function: check()
def check():
    if os.path.isfile("/usr/local/bin/macchanger") == True:
        print("MAC Changer is installed, using it...")
        macchanger_changemac(iface)
    else:
        print("MAC Changer is not installed, using ifconfig method!")
        ifconfig_changemac(iface)

# Function: macchanger_changemac(iface)
def macchanger_changemac(iface):
    print("[+] Changing your MAC address to something totally random...") # More statuses
    os.popen("macchanger --random " + iface) # CHANGES MAC ADDRESS!!!!!!!

# Function: ifconfig_changemac(iface)
def ifconfig_changemac(iface):
    print("[+] Changing your MAC address to something totally random...") # More statuses
    os.popen("ifconfig " + iface + " hw ether " + randomMAC())

# Main part!!!
print("Welcome to HideMAC v1.4 by infodox")
print("This code is still under development - I have a lot of work to do!")
print("Have fun...")
amiroot()
print(" ")
print("Currently Available Interfaces are...")
get_ifaces()
iface = raw_input("what interface are you changing (eg: wlan0): ") # Sets the interface to fuck with...
print("[*] Your Current MAC address is: ")
getmac(iface)
os.popen("ifconfig " + iface + " down") # Puts interface down :(
check()
os.popen("ifconfig " + iface + " up") # Puts interface back up :)
print("[*] Your New MAC address is: ")
getmac(iface)