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‎README.MD‎

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Version 3.19.5
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Updated the version ID format. The new version ID is named in the following format: Main version ID.Year ID.Month ID.
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New features:
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1. Additional header field is added to the resumable upload API uploadFile. You can set parameters such as acl, storageClass in the header.
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2. By default, error-level logs are added to the non-2xx response statuses of OBS.
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Documentation & Demo
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1. Added the description of the additional header fields for resumable upload in the section about data types in the API Reference.
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2. Added the section about predefined constant in the API Reference. The value of BUCKET_OWNER_FULL_CONTROL is added to the predefined access control policies.
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3. Added the creation and usage of temporary access keys in the "Getting Started" section of the Developer Guide.
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Resolved issues:
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1. When the GET request is initiated and the server returns 302 redirection, the issue that new request does not extract the complete location information is fixed.
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2. Fixed the issue that the process exits abnormally due to logrotate in special scenarios.
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3. Optimized the resumable upload API uploadFile. The default part size is changed to 9 MB.
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4. Fixed the issue that bucketClient does not support bucket encryption APIs.
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-------------------------------------------------------------------------------------------------
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Version 3.1.4
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New features:
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Documentation & Demo
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Resolved issues:
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1. Fixed the issue that uploading objects in chunk mode does not comply with HTTP regulations.
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2. Fixed the issue that the progress is not cleared immediately in an error scenario if the progress bar is enabled for the following APIs: ObsClient.putContent, ObsClient.putObject, ObsClient.putFile, ObsClient.appendObject, and ObsClient.uploadPart.
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3. Fixed the issue that ObsClient.initLog may cause log conflicts by modifying that the logging of ObsClient does not inherit the parent configuration.
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4. Fixed the issue that ObsClient.close fails to close the log file handle correctly.
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-------------------------------------------------------------------------------------------------
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Version 3.1.2.1
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New features:
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1. Added bucket encryption APIs: ObsClient.setBucketEncryption, ObsClient.getBucketEncryption, and ObsClient.deleteBucketEncryption. Currently, only the SSE-KMS encryption is supported.
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2. Added the identifier indicating whether to automatically close the input stream in the following APIs: ObsClient.putContent, ObsClient.putObject, ObsClient.appendObject, and ObsClient.uploadPart. The default value is true.
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Documentation & Demo
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Resolved issues:
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1. Fixed the issue that multiple subprocesses are forked when ObsClient is initialized for multiple times in the Linux OS.
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-------------------------------------------------------------------------------------------------
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Version 3.1.2
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New features:
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1. FunctionGraph configuration and query are supported in the bucket event notification APIs: ObsClient.setBucketNotification and ObsClient.getBucketNotification.
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2. Added the image processing parameters to the resumable download API ObsClient.downloadFile.
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3. Added the batch download API ObsClient.downloadFiles to support download of objects by specified prefix, progress return, automatic multipart download of large files, and resumable download.
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Documentation & Demo
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1. Added the description of FunctionGraph configuration in the section about event notification in the Developer Guide.
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2. Added the parameter description of FunctionGraph configuration in sections related to configuring and obtaining bucket notification in the API Reference.
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3. Modified the sample code for enabling the bucket logging in the section related to access logs in the Developer Guide.
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Resolved issues:
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1. Fixed the issue that the error information reported by the bucket creation API ObsClient.createBucket is incorrect due to protocol negotiation.
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2. Rectified the error of the SetBucketLogging function in the sample code examples/obs_python_sample.py.
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3. Fixed the issue that the contentDisposition parameter is incorrectly processed by the object upload API ObsClient.setObjectMetadata in the SDK.
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4. Modified the coding policy of special characters in the object temporary authentication access API ObsClient.createSignedUrl. Tilde (~) is used as the reserved character of the URL encoding to solve the problem that results are inconsistent in the Python2.x and 3.x environments.
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5. Optimized the bottom-layer code to improve the SDK performance in uploading and downloading small files in the Python2.x environment.
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6. Fixed the issue that the process is forked when the OBS package is imported to the Linux OS.

‎README_CN.md‎

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Version 3.19.5
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更新发布版本号，新的版本号命名方式：主版本号.年标识.月标识。
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新特性：
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1. 断点续传上传接口（uploadFile）新增header附加头域，可在头域中设置acl, storageClass等参数；
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2. OBS非2xx的状态响应默认增加error级别的日志记录；
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资料&demo:
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1. 接口参考数据类型章节新增对断点续传上传附加头域的参数描述；
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2. 接口参考预定义常量章节，预定义访问策略新增BUCKET_OWNER_FULL_CONTROL值；
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3. 开发指南快速入门章节新增临时访问密钥的创建和使用；
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修复问题：
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1. 修复GET请求，服务端返回302重定向时，新的请求没有提取Location完整信息的问题；
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2. 修复特殊场景下，日志切割引发进程异常退出的问题；
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3. 优化断点续传上传接口（uploadFile），将默认分段大小更新为9MB；
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4. 修复bucketClient不支持桶加密相关接口的问题；
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-------------------------------------------------------------------------------------------------
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Version 3.1.4
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新特性：
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资料&demo:
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修复问题：
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1. 修复使用chunk模式上传对象时，不符合HTTP规范的问题；
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2. 修复ObsClient.putContent/ObsClient.putObject/ObsClient.putFile/ObsClient.appendObject/ObsClient.uploadPart开启进度条后，在报错场景下未及时清理进度的问题；
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3. 修复ObsClient.initLog可能导致日志冲突的问题，修改为不继承父配置；
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4. 修复ObsClient.close方法未正常关闭日志文件句柄的问题；
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-------------------------------------------------------------------------------------------------
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Version 3.1.2.1
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新特性：
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1. 新增桶加密接口（ObsClient.setBucketEncryption/ObsClient.getBucketEncryption/ObsClient.deleteBucketEncryption），目前仅支持SSE-KMS的服务端加密方式；
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2. 对象上传相关接口（ObsClient.putContent/ObsClient.putObject/ObsClient.appendObject/ObsClient.uploadPart）新增是否自动关闭输入流标识符，默认为 True；
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资料&demo:
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修复问题：
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1. 修复linux操作系统下，多次初始化ObsClient导致的fork多个子进程的问题。
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Version 3.1.2
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新特性：
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1. 桶事件通知接口（ObsClient.setBucketNotification/ObsClient.getBucketNotification）新增对函数工作流服务配置和查询的支持；
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2. 断点续传下载接口（ObsClient.downloadFile）新增图片转码参数；
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3. 新增批量下载接口（ObsClient.downloadFiles）, 支持按指定前缀下载对象，支持进度返回、大文件自动分段下载和断点续传下载；
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资料&demo:
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1. 开发指南事件通知章节，新增对函数工作流服务配置的介绍；
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2. 接口参考设置/获取桶的时间通知配置章节，新增函数工作流服务配置的参数描述；
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3. 开发指南访问日志章节，修改开启桶日志小节的代码示例；
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修复问题：
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1. 修复创建桶接口（ObsClient.createBucket）由于协议协商导致报错信息不准确的问题；
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2. 修复示例代码 examples/obs_python_sample.py中 SetBucketLogging函数的错误；
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3. 修复SDK上传对象接口（ObsClient.setObjectMetadata）接口对contentDisposition参数处理有误的问题；
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4. 修改对象临时鉴权访问接口（ObsClient.createSignedUrl)对特殊字符的编码策略，将'~'符号作为URL编码保留字符，解决Python2.x/3.x环境结果不一致的问题；
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5. 优化底层代码，提升SDK在Python2.x环境下小文件上传/下载的性能；
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6. 修复在linux操作系统下，引入obs包会fork进程的问题；

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