getch.py

def _find_getch():
    try:
        import termios
    except ImportError:
        # Non-POSIX. Return msvcrt's (Windows') getch.
        import msvcrt
        return msvcrt.getch()

    # POSIX system. Create and return a getch that manipulates the tty.
    import sys, tty
    def _getch():
        fd = sys.stdin.fileno()
        old_settings = termios.tcgetattr(fd)
        try:
            tty.setraw(fd)
            ch = sys.stdin.read(1)
        finally:
            termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
        return ch

    return _getch

getch = _find_getch()


# It can do arrow keys but not ESC :-(
def getch_that_can_do_arrow_keys():
    k = getch()
    if ord(k) == 27:
        k = getch()
        if ord(k) == 91: # i think I should check for 224 in Windows
            k = getch()
    
    return k