def play(conn, game_id, move, trans=None): player = conn.data["user"] game = player.getGameById(game_id) if game is not None: if game._moves.turn() == "black": player_to_play = game._config.black else: player_to_play = game._config.white player_name = player.db_tuple.name if player_name in [game._config.black, game._config.white]: if player_name == player_to_play: def callback(valid): if valid: response = GameOk.ok_move() else: response = GameError.invalid_move() conn.send(response, trans) game.play(move, callback) response = None else: response = GameError.not_your_turn() else: response = GameError.not_your_game() else: response = GameError.user_doesnt_know_game_id() if response is not None: conn.send(response, trans)