getch.py

#!/usr/bin/env python3
import signal
import sys


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

# def signal_handler(sig, frame):
#     print('You pressed Ctrl+C!')
#     sys.exit(0)

# signal.signal(signal.SIGINT, signal_handler)

getch = _find_getch()

while True:
    char = getch()
    char_ord = ord(char)
    print('%s - %i (%s)' % (char, char_ord, hex(char_ord)))