get keypress without enter

getkey.py

def getkey():
    "get key press without Enter"
 
    import termios, sys, os
 
    fd = sys.stdin.fileno()
    old = termios.tcgetattr(fd)
    new = termios.tcgetattr(fd)
    new[3] = new[3] & ~TERMIOS.ICANON & ~TERMIOS.ECHO
    new[6][TERMIOS.VMIN] = 1
    new[6][TERMIOS.VTIME] = 0
    termios.tcsetattr(fd, TERMIOS.TCSANOW, new)
    c = None
    try:
            c = os.read(fd, 1)
    finally:
            termios.tcsetattr(fd, TERMIOS.TCSAFLUSH, old)
    return c