python input timeout
import signal TIMEOUT = 5 # number of seconds your want for timeout def interrupted(signum, frame): "called when read times out" print 'interrupted!' signal.signal(signal.SIGALRM, interrupted) def input(): try: print 'You have 5 seconds to type in your stuff...' foo = raw_input() return foo except: # timeout return # set alarm signal.alarm(TIMEOUT) s = input() # disable the alarm after success signal.alarm(0) print 'You typed', s