Handle exceptions

Handle exceptions

Use the try...except... statement to handle client-side and server-side exceptions.

#!/usr/bin/env python
# coding=utf-8
import os

from aliyunsdkcore.acs_exception.exceptions import ClientException
from aliyunsdkcore.acs_exception.exceptions import ServerException
from aliyunsdkcore.client import AcsClient
from aliyunsdkecs.request.v20140526.DescribeImagesRequest import DescribeImagesRequest

client = AcsClient(
    os.environ.get('ALIBABA_CLOUD_ACCESS_KEY_ID'),
    os.environ.get('ALIBABA_CLOUD_ACCESS_KEY_SECRET'),
    'cn-hangzhou')

request = DescribeImagesRequest()
request.set_ImageOwnerAlias("system")
try:
    response = client.do_action_with_exception(request)
    print(response)
except ClientException as e:
    # Handle exceptions with caution in actual business scenarios and do not ignore exceptions in your project. In this example, error messages are only displayed. 
    # Exceptions that occur on clients.
    print(e)
except ServerException as e:
    # Handle exceptions with caution in actual business scenarios and do not ignore exceptions in your project. In this example, error messages are only displayed. 
    # Exceptions that occur on servers.
    print(e)

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