Random MAME launcher script for RetroPie

attractmode.py

#!/usr/bin/python

import random, subprocess, time, sys, os, os.path

roms = os.listdir(os.path.expanduser('~/RetroPie/roms/mame-mame4all/'))
roms = [x.split('.')[0] for x in roms]
random.shuffle(roms)

MAME4ALL = '/opt/retropie/emulators/mame4all/mame'

for rom in roms:
  print(rom)
  p = subprocess.Popen([MAME4ALL, rom])
  time.sleep(2)
  code = p.poll()
  if code is None:
    time.sleep(120)
  try:
    p.kill()
    p.wait()
  except KeyboardInterrupt:
    raise
  except:
    pass