button change delaying

USER_CMDS_PER_BUTTON_CHANGE = 15

...


player_buttons = PlayerDictionary(lambda index: None)


...


# in run_command hook
    if (player_buttons[player.index] is None or
            player_buttons[player.index][1] != user_cmd.buttons):

        player_buttons[player.index] = [0, user_cmd.buttons]
        return

    if player_buttons[player.index][0] < USER_CMDS_PER_BUTTON_CHANGE:
        player_buttons[player.index][0] += 1
        return

    # By now you know that the user_cmd.buttons is stable (didn't change)
    # for at least 15 executions of the run_command hook
    ...