IP address Python

import subprocess
error = "Aucune IP disponible"
try:
    ip = str(subprocess.check_output("ifconfig wlan0|grep inet", shell=True))
except:
    ip = error
count = ip.count(":")
if count == 3:
    ip = ip.split(":")
    ip = ip[1].split(" ")
    ip = ip[0]
else:
    try:
        ip = str(subprocess.check_output("ifconfig eth0|grep inet", shell=True))
    except:
        ip = error
    count = ip.count(":")
    if count == 3:
        ip = ip.split(":")
        ip = ip[1].split(" ")
        ip = ip[0]
    else:
        ip = error
print(ip)