I'm trying to read from stdin and get None (or some other defined value) should the user not input any text after a predefined timeout. However, when I tried the below code, the script just hung indefinitely at the Enter some text: point and does not time out at 5 seconds, as it should. import os import tty import sys import time fd = sys.stdin.fileno() tty.setraw(fd) print("Enter some text:", end=' ', flush=True) t1 = time.time() d = os.read(fd, 5) print("Time taken:", time.time() - t1, "d:", d) Htop (process monitor) tells me that the python process running my scrip is not in disk sleep (as I would have thought it would) and when I enter a character the Time taken: string printed at the end often exceeds 5 seconds. I am aware that I am only able to read user input one char at a time. Continue reading...
