使用PYTHON-AMAZON-AD-API调用Amazon Ads API遇503错误求助

我使用python-amazon-ad-api包对接Amazon Ads API，已准备好包含refresh_token、client_id、client_secret和profile_id的凭证字典，初步配置无异常，但执行以下代码时持续返回503错误，无法获取广告活动列表。

执行代码 #

try:
    status = 'enabled'
    result=sponsored_products.Campaigns(credentials=credentials, debug=True).list_campaigns(
        stateFilter=status
    )
    payload = result.payload
    logging.info(payload)
except AdvertisingApiException as error:
    logging.info(error)

返回的错误响应（已脱敏） #

2023-09-04 11:46:39,312:WARNING:Call to deprecated function list_campaigns endpoint: /v2/sp/campaigns method: GET
2023-09-04 11:46:41,691:INFO:{'User-Agent': 'python-ad-api-0.4.9', 'Amazon-Advertising-API-ClientId': 'XXXXXXXX', 'Authorization': 'Bearer XXXXXX', 'Amazon-Advertising-API-Scope': 'XXXXXX', 'Content-Type': 'application/json'}
2023-09-04 11:46:41,693:INFO:GET https://advertising-api-test.amazon.com/v2/sp/campaigns?stateFilter=enabled
2023-09-04 11:46:41,693:INFO:{'_content': b'<html><body><b>Http/1.1 Service Unavailable</b></body> </html>', '_content_consumed': True, '_next': None, 'status_code': 503, 'headers': {'Server': 'Server', 'Date': 'Mon, 04 Sep 2023 09:46:41 GMT', 'Content-Length': '62', 'Connection': 'keep-alive', 'x-amz-rid': 'HMG7GXBXW27ZJ9VV1NGP', 'Cache-Control': 'no-cache,no-store', 'Pragma': 'no-cache', 'Vary': 'Content-Type,Accept-Encoding,User-Agent', 'Strict-Transport-Security': 'max-age=47474747; includeSubDomains; preload'}, 'raw': <urllib3.response.HTTPResponse object at 0x00000185E2DD26E0>, 'url': 'https://advertising-api-test.amazon.com/v2/sp/campaigns?stateFilter=enabled', 'encoding': None, 'history': [], 'reason': 'Service Unavailable', 'cookies': <RequestsCookieJar[]>, 'elapsed': datetime.timedelta(seconds=1, microseconds=72272), 'request': <PreparedRequest [GET]>, 'connection': <requests.adapters.HTTPAdapter object at 0x00000185E2D917D0>}
2023-09-04 11:46:41,694:INFO:(503, b'<html><body><b>Http/1.1 Service Unavailable</b></body> </html>', {'Server': 'Server', 'Date': 'Mon, 04 Sep 2023 09:46:41 GMT', 'Content-Length': '62', 'Connection': 'keep-alive', 'x-amz-rid': 'HMG7GXBXW27ZJ9VV1NGP', 'Cache-Control': 'no-cache,no-store', 'Pragma': 'no-cache', 'Vary': 'Content-Type,Accept-Encoding,User-Agent', 'Strict-Transport-Security': 'max-age=47474747; includeSubDomains; preload'})

解决办法 #

• 替换废弃接口：日志明确提示list_campaigns对应的/v2/sp/campaigns接口已废弃，需改用v3版本接口。在python-amazon-ad-api中，调用list_campaigns_v3方法即可。
• 检查服务状态：503表示服务临时不可用，可能是亚马逊测试环境（advertising-api-test.amazon.com）故障。可以切换到生产环境（若符合业务需求），或等待一段时间后重试，同时确认亚马逊广告开发者平台的服务状态公告。
• 添加重试机制：针对503这类临时错误，可添加指数退避重试逻辑。python-amazon-ad-api支持配置重试参数，也可手动在代码中捕获异常后重试2-3次。

修改后的代码示例 #

try:
    status = 'enabled'
    # 使用v3版本接口获取广告活动列表
    result = sponsored_products.Campaigns(credentials=credentials, debug=True).list_campaigns_v3(
        stateFilter=status
    )
    payload = result.payload
    logging.info(payload)
except AdvertisingApiException as error:
    logging.info(error)

内容的提问来源于stack exchange，提问作者Shanni Piha