How to use the tblib.handler.ResponseCode.NOT_FOUND function in tblib

def update_product(id):
    """更新商品
    """

    data = request.get_json()

    count = Product.query.filter(Product.id == id).update(data)
    if count == 0:
        return json_response(ResponseCode.NOT_FOUND)
    product = Product.query.get(id)
    session.commit()

    return json_response(product=ProductSchema().dump(product))

def update_product(id):
    """更新商品
    """

    data = request.get_json()

    count = Product.query.filter(Product.id == id).update(data)
    if count == 0:
        return json_response(ResponseCode.NOT_FOUND)
    product = Product.query.get(id)
    session.commit()

    return json_response(product=ProductSchema().dump(product))

def update_shop(id):
    """更新店铺
    """

    data = request.get_json()

    count = Shop.query.filter(Shop.id == id).update(data)
    if count == 0:
        return json_response(ResponseCode.NOT_FOUND)
    shop = Shop.query.get(id)
    session.commit()

    return json_response(shop=ShopSchema().dump(shop))

def update_cart_product(id):
    """更新购物车商品，比如数量
    """

    data = request.get_json()

    count = CartProduct.query.filter(CartProduct.id == id).update(data)
    if count == 0:
        return json_response(ResponseCode.NOT_FOUND)
    cart_product = CartProduct.query.get(id)
    session.commit()

    return json_response(cart_product=CartProductSchema().dump(cart_product))

def update_shop(id):
    """更新店铺
    """

    data = request.get_json()

    count = Shop.query.filter(Shop.id == id).update(data)
    if count == 0:
        return json_response(ResponseCode.NOT_FOUND)
    shop = Shop.query.get(id)
    session.commit()

    return json_response(shop=ShopSchema().dump(shop))

order = Order.query.get(id)
    if order is None:
        return json_response(ResponseCode.NOT_FOUND)
    if data.get('address_id') is not None:
        order.address_id = data.get('address_id')
    if data.get('note') is not None:
        order.note = data.get('note')
    if data.get('status') is not None:
        order.status = data.get('status')

    if data.get('order_products') is not None:
        order_products = []
        for op in data.get('order_products'):
            order_product = OrderProduct.query.get(op.get('id'))
            if order_product is None:
                return json_response(ResponseCode.NOT_FOUND)
            if op.get('amount') is not None:
                order_product.amount = op.get('amount')
            if op.get('price') is not None:
                order_product.price = op.get('price')
            order_products.append(order_product)
        order.order_products = order_products

    session.commit()

    return json_response(order=OrderSchema().dump(order))

def shop_info(id):
    """查询店铺
    """

    shop = Shop.query.get(id)
    if shop is None:
        return json_response(ResponseCode.NOT_FOUND)

    return json_response(shop=ShopSchema().dump(shop))

def favorite_product_info(id):
    """查询收藏商品
    """

    favorite_product = FavoriteProduct.query.get(id)
    if favorite_product is None:
        return json_response(ResponseCode.NOT_FOUND)

    return json_response(favorite_product=FavoriteProductSchema().dump(favorite_product))

def create_wallet_transaction():
    """创建交易
    """

    data = request.get_json()

    wallet_transaction = WalletTransactionSchema().load(data)

    # 采用乐观锁来防止并发情况下可能出现的数据不一致性，也可使用悲观锁（query 时使用 with_for_update），但资源消耗较大
    payer = User.query.get(wallet_transaction.payer_id)
    if payer is None:
        return json_response(ResponseCode.NOT_FOUND)

    payee = User.query.get(wallet_transaction.payee_id)
    if payee is None:
        return json_response(ResponseCode.NOT_FOUND)

    count = User.query.filter(
        and_(User.id == payer.id, User.wallet_money >= wallet_transaction.amount,
             User.wallet_money == payer.wallet_money)
    ).update({
        User.wallet_money: payer.wallet_money - wallet_transaction.amount
    })
    if count == 0:
        session.rollback()
        return json_response(ResponseCode.TRANSACTION_FAILURE)

    count = User.query.filter(

def update_order(id):
    """更新订单，支持部分更新，但只能更新地址、备注、状态都信息
    注意订单商品要么不更新，要么整体一起更新
    """

    data = request.get_json()

    order = Order.query.get(id)
    if order is None:
        return json_response(ResponseCode.NOT_FOUND)
    if data.get('address_id') is not None:
        order.address_id = data.get('address_id')
    if data.get('note') is not None:
        order.note = data.get('note')
    if data.get('status') is not None:
        order.status = data.get('status')

    if data.get('order_products') is not None:
        order_products = []
        for op in data.get('order_products'):
            order_product = OrderProduct.query.get(op.get('id'))
            if order_product is None:
                return json_response(ResponseCode.NOT_FOUND)
            if op.get('amount') is not None:
                order_product.amount = op.get('amount')
            if op.get('price') is not None: