Python 实现亚马逊商品详情 API 数据准确性校验（极简可用 + JSON 参考）

def check_amazon_item_accuracy(json_data):
    """
    亚马逊商品详情API 数据准确性校验
    返回：(是否通过, 提示信息)
    """
    try:
        # 1. 校验顶层结构
        if "item" not in json_data:
            return False, "返回结构异常：无 item 节点"

        item = json_data["item"]
        if not item:
            return False, "未获取到商品数据"

        # 2. ASIN 校验（亚马逊唯一商品ID）
        asin = item.get("asin")
        if not asin or len(asin) != 10:
            return False, f"ASIN 无效：{asin}"

        # 3. 标题校验
        title = item.get("title")
        if not title or len(title) < 5:
            return False, "商品标题过短或为空"

        # 4. 价格校验
        price = item.get("price", "0")
        try:
            price_val = float(price)
            if price_val <= 0:
                return False, f"价格异常：{price}"
        except:
            return False, f"价格格式错误：{price}"

        # 5. 主图链接校验
        img_url = item.get("main_image_url")
        if not img_url or "http" not in img_url:
            return False, "商品主图无效"

        # 6. 评分校验（1-5星）
        rating = item.get("rating", 0)
        try:
            rating_val = float(rating)
            if not (0 <= rating_val <= 5):
                return False, f"评分异常：{rating}"
        except:
            pass

        # 7. 类目校验
        category = item.get("category")
        if not category:
            return False, "商品类目缺失"

        return True, "亚马逊商品数据校验通过，准确有效"

    except Exception as e:
        return False, f"校验异常：{str(e)}"

{
  "item": {
    "asin": "B0C4567890",
    "title": "Wireless Earbuds Bluetooth Headphones",
    "price": "29.99",
    "currency": "USD",
    "main_image_url": "https://m.media-amazon.com/images/I/xxx.jpg",
    "rating": 4.6,
    "review_count": 12800,
    "brand": "Generic",
    "category": "Electronics > Headphones",
    "stock_status": "In Stock"
  },
  "code": 200,
  "message": "success"
}

# 调用API获取JSON
json_result = requests.get(api_url, params=params).json()

# 执行校验
ok, msg = check_amazon_item_accuracy(json_result)
print(ok, msg)