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初始化

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本文介绍Python SDK初始化Client的流程。

系统变量读取

阿里云SDK支持通过定义ALIBABA_CLOUD_ACCESS_KEY_IDALIBABA_CLOUD_ACCESS_KEY_SECRET环境变量来创建默认的访问凭证。调用接口时,程序直接访问凭证,读取您的访问密钥(即AccessKey)并自动完成鉴权。

配置方法

配置环境变量ALIBABA_CLOUD_ACCESS_KEY_IDALIBABA_CLOUD_ACCESS_KEY_SECRET

  • Linux和macOS系统配置方法执行以下命令:

    export ALIBABA_CLOUD_ACCESS_KEY_ID=<access_key_id>
    export ALIBABA_CLOUD_ACCESS_KEY_SECRET=<access_key_secret>

    <access_key_id>需替换为已准备好的AccessKey ID,<access_key_secret>替换为AccessKey Secret。

  • Windows系统配置方法

    1. 新建环境变量文件,添加环境变量ALIBABA_CLOUD_ACCESS_KEY_IDALIBABA_CLOUD_ACCESS_KEY_SECRET,并写入已准备好的AccessKey ID和AccessKey Secret。

    2. 重启Windows系统。

初始化

  1. 创建AcsClient实例。

    # 读取环境变量中设置的ACCESS_KEY   ACCESS_KEY_SECRET信息
    credentials = AccessKeyCredential(os.environ['ALIBABA_CLOUD_ACCESS_KEY_ID'], os.environ['ALIBABA_CLOUD_ACCESS_KEY_SECRET'])
    # region_id 为调用的服务地域ID,支持的地域参考 https://help.aliyun.com/document_detail/43248.html
    client = AcsClient(region_id='cn-shanghai', credential=credentials)
  2. 创建request,并设置参数。

    # 以查询管道接口为例
    request = QueryPipelineListRequest()
    request.set_PipelineIds("9bad31a2b3c22c4df9c6****")
    request.set_accept_format('json')
  3. 发起API请求并显示返回值。

    response = client.do_action_with_exception(request)
    # 输出打印
    print(str(response, encoding='utf-8'))

完整代码

import os
from aliyunsdkcore.client import AcsClient
from aliyunsdkcore.acs_exception.exceptions import ClientException
from aliyunsdkcore.acs_exception.exceptions import ServerException
from aliyunsdkcore.auth.credentials import AccessKeyCredential
from aliyunsdkmts.request.v20140618.QueryPipelineListRequest import QueryPipelineListRequest

# 读取环境变量中设置的ACCESS_KEY   ACCESS_KEY_SECRET信息
credentials = AccessKeyCredential(os.environ['ALIBABA_CLOUD_ACCESS_KEY_ID'], os.environ['ALIBABA_CLOUD_ACCESS_KEY_SECRET'])
# region_id 为调用的服务地域ID,支持的地域参考 https://help.aliyun.com/document_detail/43248.html
client = AcsClient(region_id = 'cn-shanghai', credential = credentials)

request = QueryPipelineListRequest()
request.set_PipelineIds("9*********61c22c4df9c6")
request.set_accept_format('json')

response = client.do_action_with_exception(request)
# 输出打印
print(str(response, encoding='utf-8'))

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