Obtener IP Local

Alternativa para obtener IP

import commands
cmd = "ifconfig | grep 'inet:' | grep -v '127.0.0.1'"
sal=commands.getoutput(cmd)
cach=sal.split(' ')
lista=[]
for i in cach:
 if isinstance(i,str):
  ii=i.find('inet:')
  if ii>-1:
   lista.append(i[ii:len(i)].split('inet:')[1])
for i in lista:
 print i