def main()

in scripts/microrepl.py [0:0]

• 23 lines of code
• 6 McCabe index (conditional complexity)

def main():
    """
    The function that actually runs the REPL.
    """
    if len(sys.argv) not in range(2, 3):
        print("Usage: microrepl.py /path/to/device [--nointerrupt]")

    port = sys.argv[1]
    print('Device path', port)
    serial.tools.miniterm.EXITCHARCTER = character(b'\x1d')
    miniterm = connect_miniterm(port)
    # Emit some helpful information about the program and MicroPython.
    shortcut_message = 'Quit: {} | Stop program: Ctrl+C | Reset: Ctrl+D\n'
    help_message = 'Type \'help()\' (without the quotes) then press ENTER.\n'
    exit_char = key_description(serial.tools.miniterm.EXITCHARCTER)
    sys.stderr.write(shortcut_message.format(exit_char))
    sys.stderr.write(help_message)
    # Start everything.
    miniterm.set_rx_encoding('utf-8')
    miniterm.set_tx_encoding('utf-8')
    miniterm.start()
    sleep(0.5)
    if len(sys.argv) != 3 or sys.argv[2] != '--nointerrupt':
        miniterm.serial.write(b'\x03')  # Connecting stops the running program.
    try:
        miniterm.join(True)
    except KeyboardInterrupt:
        pass
    sys.stderr.write('\nEXIT - see you soon... :-)\n')