async def shoppingCartDelete(ns={}):
    """
    delete cart *为必填项
      `cartid` 购物车id和用户id相同 *
      `productid`   '产品id' *
      `spec_id`     '规格id' *
      `quantity`    '数量'   *  int
      `list_price`  '原价'   *  double
      `discount`    '折扣'   *  double
    :param ns:
    :return:
    """
    db = DBPools()
    async with db.sqlorContext('kboss') as sor:
        # find orgid info from users
        org_info = await sor.R('users', {'id': ns.get('cartid'), 'del_flg': '0'})
        if org_info:
            orgid = org_info[0].get('orgid')
        else:
            return {
                'status': False,
                'msg': 'can not find orgid from users'
            }

        if ns.get('kv'):
            if not ns.get('id'):
                return {
                    "status": False,
                    "msg": "shoppingCart id is empty, please check"
                }
            ns['del_flg'] = '1'
            try:
                # delete single goods
                await sor.U('cart_goods', ns)

                # update customer_cart table
                ns_sort = {
                    'cartid': orgid,
                    'del_flg': '0'
                }
                cart_goods = await sor.R('cart_goods', ns_sort)
                price_amount = 0
                for goods in cart_goods:
                    price_amount += goods.get('amount')
                customer_cart = {
                    # 购物车id, 用户orgid相同
                    'id': orgid,
                    'last_date': time.strftime('%Y-%m-%d'),
                    'customerid': orgid,
                    'goods_cnt': len(cart_goods),
                    'amount': price_amount
                }
                await sor.U('customer_cart', customer_cart)

                return {
                    "status": True,
                    "msg": "shoppingCart delete success"
                }
            except Exception as e:
                raise e
                # return {
                #     "status": False,
                #     "msg": "shoppingCart delete failed"
                # }
        else:
            delete_kv_sql = """update cart_goods set del_flg = 1 where cartid = '%s'""" % orgid
            try:
                await sor.sqlExe(delete_kv_sql, {})
                ns['goods_cnt'] = 0
                ns['amount'] = 0
                ns['id'] = orgid
                ns['last_date'] = time.strftime('%Y-%m-%d')
                await sor.U('customer_cart', ns)
                return {
                    "status": True,
                    "msg": "shoppingCart empty cart success"
                }
            except Exception as e:
                raise e
    return {
        "status": False,
        "msg": "shoppingCart empty cart failed"
    }	
	

ret = await shoppingCartDelete(params_kw)
return ret