def inkey()

in ebcli/display/term.py [0:0]

• 35 lines of code
• 16 McCabe index (conditional complexity)

    def inkey(self, timeout=None):
        # Since get_key is a single method, we will just do the cbreak
        # and input stuff in a single method.
        # We should ever need inkey without cbreak

        if sys.version_info[0] >= 3:
            from msvcrt import kbhit, getwch as _getch
        else:
            from msvcrt import kbhit, getch as _getch

        def readInput():
            start_time = time.time()
            while True:
                if kbhit():
                    return _getch()
                if (time.time() - start_time) > timeout:
                    return None

        key = readInput()
        if not key:
            return None

        if key == '\x03':
            # Ctrl C
            raise CaughtSignal(2, None)

        elif key == '\x1c':
            # Ctrl \
            sys.exit(1)

        elif key == '\xe0':
            # Its an arrow key, get next symbol
            next_key = _getch()
            if next_key == 'H':
                return Val(name='KEY_UP', code=259)
            elif next_key == 'K':
                return Val(name='KEY_LEFT', code=260)
            elif next_key == 'P':
                return Val(name='KEY_DOWN', code=258)
            elif next_key == 'M':
                return Val(name='KEY_RIGHT', code=261)

        elif key == '\x1b':
            return Val(name='KEY_ESCAPE', code=361)
        elif key == '\x0d':
            return Val(name='KEY_ENTER', code=362)

        else:
            return Val(key=key)