Python SDK

<p class="shortdesc"></p> <section class="section" id="Python_SDK___section_xw1_tsm_qlb"><h2 class="doc-tairway">1. 简介</h2> <ul class="ul" id="Python_SDK___ul_m1b_5sm_qlb"> <li class="li"> OBS Python SDK 适用于 Python3版本。</li> <li class="li"> 本文档主要介绍 OBS Python SDK 的接口使用及注意事项。</li> <li class="li">假设您是平安云用户,且已经开通了OBS服务。</li> <li class="li">如果您还没有开通或者还不了解平安云 OBS 服务,请登录<a class="xref" href="https://pinganyun.com/ssr/products/OBS" target="_blank">OBS产品主页</a>进行了解。</li> </ul> </section> <section class="section" id="Python_SDK___section_ij2_tsm_qlb"><h2 class="doc-tairway">2. SDK下载</h2> <p class="p">Python SDK 开发包最新版本<a class="xref" href="https://obs-cn-shanghai.yun.pingan.com/pcp-portal/sdk%2Fobs-python-sdk-1.1.0.zip?response-content-disposition=attachment%3Bfilename%3Dobs-python-sdk-1.1.0.zip" target="_blank"> v1.1.0</a>。</p> </section> <section class="section" id="Python_SDK___section_ps2_tsm_qlb"><h2 class="doc-tairway">3. API概览</h2> <table class="table" id="Python_SDK___table_k4c_wsm_qlb"><caption></caption><colgroup><col style="width:38.02281368821293%"><col style="width:61.97718631178707%"></colgroup><thead class="thead"> <tr class="row"> <th class="entry" id="Python_SDK___table_k4c_wsm_qlb__entry__1"><p class="p">API</p></th> <th class="entry" id="Python_SDK___table_k4c_wsm_qlb__entry__2"><p class="p">描述</p></th> </tr> </thead><tbody class="tbody"> <tr class="row"> <td class="entry" headers="Python_SDK___table_k4c_wsm_qlb__entry__1 "><p class="p">put_object</p></td> <td class="entry" headers="Python_SDK___table_k4c_wsm_qlb__entry__2 "><p class="p">以字符串/文件/网络流作为上传对象,若该bucket下存在该object_key则更新该对象,并支持添加自定义元数据。</p></td> </tr> <tr class="row"> <td class="entry" headers="Python_SDK___table_k4c_wsm_qlb__entry__1 "><p class="p">put_object_multipart</p></td> <td class="entry" headers="Python_SDK___table_k4c_wsm_qlb__entry__2 "> <p class="p">对于大文件上传,可以切分成片上传。在以下情况下,应该考虑使用分片上传:</p> <ul class="ul" id="Python_SDK___ul_l4c_wsm_qlb"> <li class="li">文件大于 100M</li> <li class="li">网络环境差,上传易导致失败</li> </ul> <p class="p">需要支持断点续传</p></td> </tr> <tr class="row"> <td class="entry" headers="Python_SDK___table_k4c_wsm_qlb__entry__1 "><p class="p">get_object</p></td> <td class="entry" headers="Python_SDK___table_k4c_wsm_qlb__entry__2 "><p class="p">下载指定对象</p></td> </tr> </tbody></table> </section> <section class="section" id="Python_SDK___section_njf_tsm_qlb"><h2 class="doc-tairway">4. API描述</h2> <p class="p"><strong class="ph b">(1) put_object(上传字符串)</strong></p> <p class="p"><strong class="ph b">接口描述</strong></p> <p class="p">以字符串为上传对象,若该bucket下存在该object_key则更新该对象,并支持添加自定义元数据。</p> <p class="p"><strong class="ph b">请求参数</strong></p> <table class="table" id="Python_SDK___table_alq_ysm_qlb"><caption></caption><colgroup><col><col><col><col><col></colgroup><thead class="thead"> <tr class="row"> <th class="entry" id="Python_SDK___table_alq_ysm_qlb__entry__1"><p class="p">参数名称</p></th> <th class="entry" id="Python_SDK___table_alq_ysm_qlb__entry__2"><p class="p">参数类型</p></th> <th class="entry" id="Python_SDK___table_alq_ysm_qlb__entry__3"><p class="p">是否必须</p></th> <th class="entry" id="Python_SDK___table_alq_ysm_qlb__entry__4"><p class="p">参数描述</p></th> <th class="entry" id="Python_SDK___table_alq_ysm_qlb__entry__5"><p class="p">备注</p></th> </tr> </thead><tbody class="tbody"> <tr class="row"> <td class="entry" headers="Python_SDK___table_alq_ysm_qlb__entry__1 "><p class="p">bucket_name</p></td> <td class="entry" headers="Python_SDK___table_alq_ysm_qlb__entry__2 "><p class="p">string</p></td> <td class="entry" headers="Python_SDK___table_alq_ysm_qlb__entry__3 "><p class="p">true</p></td> <td class="entry" headers="Python_SDK___table_alq_ysm_qlb__entry__4 "><p class="p">保存对象的 bucket名称</p></td> <td class="entry" headers="Python_SDK___table_alq_ysm_qlb__entry__5 "><p class="p">-</p></td> </tr> <tr class="row"> <td class="entry" headers="Python_SDK___table_alq_ysm_qlb__entry__1 "><p class="p">object_key</p></td> <td class="entry" headers="Python_SDK___table_alq_ysm_qlb__entry__2 "><p class="p">string</p></td> <td class="entry" headers="Python_SDK___table_alq_ysm_qlb__entry__3 "><p class="p">true</p></td> <td class="entry" headers="Python_SDK___table_alq_ysm_qlb__entry__4 "><p class="p">对象 key,需自行实现策略保证同一 bucket 下 object_key 唯一, 不能为空,首字符不能为路径符“/”</p></td> <td class="entry" headers="Python_SDK___table_alq_ysm_qlb__entry__5 "><p class="p">-</p></td> </tr> <tr class="row"> <td class="entry" headers="Python_SDK___table_alq_ysm_qlb__entry__1 "><p class="p">data</p></td> <td class="entry" headers="Python_SDK___table_alq_ysm_qlb__entry__2 "><p class="p">string</p></td> <td class="entry" headers="Python_SDK___table_alq_ysm_qlb__entry__3 "><p class="p">true</p></td> <td class="entry" headers="Python_SDK___table_alq_ysm_qlb__entry__4 "><p class="p">待上传的字符串</p></td> <td class="entry" headers="Python_SDK___table_alq_ysm_qlb__entry__5 "><p class="p">-</p></td> </tr> <tr class="row"> <td class="entry" headers="Python_SDK___table_alq_ysm_qlb__entry__1 "><p class="p">object_metadata</p></td> <td class="entry" headers="Python_SDK___table_alq_ysm_qlb__entry__2 "><p class="p">ObjectMetadata</p></td> <td class="entry" headers="Python_SDK___table_alq_ysm_qlb__entry__3 "><p class="p">false</p></td> <td class="entry" headers="Python_SDK___table_alq_ysm_qlb__entry__4 "><p class="p">可选参数,自定义元数据</p></td> <td class="entry" headers="Python_SDK___table_alq_ysm_qlb__entry__5 "><p class="p">-</p></td> </tr> </tbody></table> <p class="p"><strong class="ph b">响应参数</strong></p> <table class="table" id="Python_SDK___table_blq_ysm_qlb"><caption></caption><colgroup><col><col><col><col></colgroup><thead class="thead"> <tr class="row"> <th class="entry" id="Python_SDK___table_blq_ysm_qlb__entry__1"><p class="p">参数名称</p></th> <th class="entry" id="Python_SDK___table_blq_ysm_qlb__entry__2"><p class="p">参数类型</p></th> <th class="entry" id="Python_SDK___table_blq_ysm_qlb__entry__3"><p class="p">参数描述</p></th> <th class="entry" id="Python_SDK___table_blq_ysm_qlb__entry__4"><p class="p">备注</p></th> </tr> </thead><tbody class="tbody"> <tr class="row"> <td class="entry" headers="Python_SDK___table_blq_ysm_qlb__entry__1 "><p class="p">putObjectResult</p></td> <td class="entry" headers="Python_SDK___table_blq_ysm_qlb__entry__2 "><p class="p">PutObjectResult</p></td> <td class="entry" headers="Python_SDK___table_blq_ysm_qlb__entry__3 "><p class="p">PutObjectResult返回对象</p></td> <td class="entry" headers="Python_SDK___table_blq_ysm_qlb__entry__4 "><p class="p">-</p></td> </tr> </tbody></table> <p class="p"><strong class="ph b">实例</strong></p> <pre xmlns:version="java:net.sf.saxon.Version" class="pre codeblock language-java">bucket_name = “YourBucketName” object_key = “YourObjectKey” upload_content = “YourContent” object_metadata = ObjectMetadata() object_metadata.add_user_metadata(“MetadataKey”,“MetadataValue”) ret = obs.put_object(bucket_name, object_key, upload_content,object_metadata) print(ret.get_e_tag())</pre> <p class="p"><strong class="ph b">(2) put_object(上传文件)</strong></p> <p class="p"><strong class="ph b">接口描述</strong></p> <p class="p">以文件对象为上传对象,若对象存在则更新,并支持添加自定义元数据。</p> <p class="p"><strong class="ph b">请求参数</strong></p> <table class="table" id="Python_SDK___table_dlq_ysm_qlb"><caption></caption><colgroup><col><col><col><col><col></colgroup><thead class="thead"> <tr class="row"> <th class="entry" id="Python_SDK___table_dlq_ysm_qlb__entry__1"><p class="p">参数名称</p></th> <th class="entry" id="Python_SDK___table_dlq_ysm_qlb__entry__2"><p class="p">参数类型</p></th> <th class="entry" id="Python_SDK___table_dlq_ysm_qlb__entry__3"><p class="p">是否必须</p></th> <th class="entry" id="Python_SDK___table_dlq_ysm_qlb__entry__4"><p class="p">参数描述</p></th> <th class="entry" id="Python_SDK___table_dlq_ysm_qlb__entry__5"><p class="p">备注</p></th> </tr> </thead><tbody class="tbody"> <tr class="row"> <td class="entry" headers="Python_SDK___table_dlq_ysm_qlb__entry__1 "><p class="p">bucket_name</p></td> <td class="entry" headers="Python_SDK___table_dlq_ysm_qlb__entry__2 "><p class="p">string</p></td> <td class="entry" headers="Python_SDK___table_dlq_ysm_qlb__entry__3 "><p class="p">true</p></td> <td class="entry" headers="Python_SDK___table_dlq_ysm_qlb__entry__4 "><p class="p">保存对象的 bucket名称</p></td> <td class="entry" headers="Python_SDK___table_dlq_ysm_qlb__entry__5 "><p class="p">-</p></td> </tr> <tr class="row"> <td class="entry" headers="Python_SDK___table_dlq_ysm_qlb__entry__1 "><p class="p">object_key</p></td> <td class="entry" headers="Python_SDK___table_dlq_ysm_qlb__entry__2 "><p class="p">string</p></td> <td class="entry" headers="Python_SDK___table_dlq_ysm_qlb__entry__3 "><p class="p">true</p></td> <td class="entry" headers="Python_SDK___table_dlq_ysm_qlb__entry__4 "><p class="p">对象 key,需自行实现策略保证同一 bucket 下 object_key 唯一, 不能为空,首字符不能为路径符“/”</p></td> <td class="entry" headers="Python_SDK___table_dlq_ysm_qlb__entry__5 "><p class="p">-</p></td> </tr> <tr class="row"> <td class="entry" headers="Python_SDK___table_dlq_ysm_qlb__entry__1 "><p class="p">data</p></td> <td class="entry" headers="Python_SDK___table_dlq_ysm_qlb__entry__2 "><p class="p">file</p></td> <td class="entry" headers="Python_SDK___table_dlq_ysm_qlb__entry__3 "><p class="p">true</p></td> <td class="entry" headers="Python_SDK___table_dlq_ysm_qlb__entry__4 "><p class="p">待上传的文件对象</p></td> <td class="entry" headers="Python_SDK___table_dlq_ysm_qlb__entry__5 "><p class="p">-</p></td> </tr> <tr class="row"> <td class="entry" headers="Python_SDK___table_dlq_ysm_qlb__entry__1 "><p class="p">object_metadata</p></td> <td class="entry" headers="Python_SDK___table_dlq_ysm_qlb__entry__2 "><p class="p">ObjectMetadata</p></td> <td class="entry" headers="Python_SDK___table_dlq_ysm_qlb__entry__3 "><p class="p">false</p></td> <td class="entry" headers="Python_SDK___table_dlq_ysm_qlb__entry__4 "><p class="p">可选参数,自定义元数据</p></td> <td class="entry" headers="Python_SDK___table_dlq_ysm_qlb__entry__5 "><p class="p">-</p></td> </tr> </tbody></table> <p class="p"><strong class="ph b">响应参数</strong></p> <table class="table" id="Python_SDK___table_elq_ysm_qlb"><caption></caption><colgroup><col><col><col><col></colgroup><thead class="thead"> <tr class="row"> <th class="entry" id="Python_SDK___table_elq_ysm_qlb__entry__1"><p class="p">参数名称</p></th> <th class="entry" id="Python_SDK___table_elq_ysm_qlb__entry__2"><p class="p">参数类型</p></th> <th class="entry" id="Python_SDK___table_elq_ysm_qlb__entry__3"><p class="p">参数描述</p></th> <th class="entry" id="Python_SDK___table_elq_ysm_qlb__entry__4"><p class="p">备注</p></th> </tr> </thead><tbody class="tbody"> <tr class="row"> <td class="entry" headers="Python_SDK___table_elq_ysm_qlb__entry__1 "><p class="p">putObjectResult</p></td> <td class="entry" headers="Python_SDK___table_elq_ysm_qlb__entry__2 "><p class="p">PutObjectResult</p></td> <td class="entry" headers="Python_SDK___table_elq_ysm_qlb__entry__3 "><p class="p">PutObjectResult返回对象</p></td> <td class="entry" headers="Python_SDK___table_elq_ysm_qlb__entry__4 "><p class="p">-</p></td> </tr> </tbody></table> <p class="p"><strong class="ph b">实例</strong></p> <p class="p"><strong class="ph b">样例1:</strong></p> <pre xmlns:version="java:net.sf.saxon.Version" class="pre codeblock language-java">bucket_name = “YourBucketName” object_key = “YourObjectKey” local_file_upload_path = “YourLocalUploadFilePath” with open(local_file_upload_path,<span class="hl-string" style="color:#2a00ff">"rb"</span>) as from_file: ret = obs.put_object(bucket_name, object_key, from_file) </pre> <p class="p"><strong class="ph b">样例2: 使用简单接口上传本地文件</strong></p> <pre xmlns:version="java:net.sf.saxon.Version" class="pre codeblock language-java">bucket_name = “YourBucketName” object_key = “YourObjectKey” local_file_upload_path = “YourLocalUploadFilePath” ret = obs.put_object_from_file(bucket_name, object_key, local_file_upload_path) </pre> <p class="p"><strong class="ph b">(3) put_object(上传网络流)</strong></p> <p class="p"><strong class="ph b">接口描述</strong></p> <p class="p">以网络流为上传对象,若对象存在则更新,并支持添加自定义元数据。</p> <p class="p"><strong class="ph b">请求参数</strong></p> <table class="table" id="Python_SDK___table_hlq_ysm_qlb"><caption></caption><colgroup><col><col><col><col><col></colgroup><thead class="thead"> <tr class="row"> <th class="entry" id="Python_SDK___table_hlq_ysm_qlb__entry__1"><p class="p">参数名称</p></th> <th class="entry" id="Python_SDK___table_hlq_ysm_qlb__entry__2"><p class="p">参数类型</p></th> <th class="entry" id="Python_SDK___table_hlq_ysm_qlb__entry__3"><p class="p">是否必须</p></th> <th class="entry" id="Python_SDK___table_hlq_ysm_qlb__entry__4"><p class="p">参数描述</p></th> <th class="entry" id="Python_SDK___table_hlq_ysm_qlb__entry__5"><p class="p">备注</p></th> </tr> </thead><tbody class="tbody"> <tr class="row"> <td class="entry" headers="Python_SDK___table_hlq_ysm_qlb__entry__1 "><p class="p">bucket_name</p></td> <td class="entry" headers="Python_SDK___table_hlq_ysm_qlb__entry__2 "><p class="p">string</p></td> <td class="entry" headers="Python_SDK___table_hlq_ysm_qlb__entry__3 "><p class="p">true</p></td> <td class="entry" headers="Python_SDK___table_hlq_ysm_qlb__entry__4 "><p class="p">保存对象的 bucket名称</p></td> <td class="entry" headers="Python_SDK___table_hlq_ysm_qlb__entry__5 "> <p class="p">-</p> </td> </tr> <tr class="row"> <td class="entry" headers="Python_SDK___table_hlq_ysm_qlb__entry__1 "><p class="p">object_key</p></td> <td class="entry" headers="Python_SDK___table_hlq_ysm_qlb__entry__2 "><p class="p">string</p></td> <td class="entry" headers="Python_SDK___table_hlq_ysm_qlb__entry__3 "><p class="p">true</p></td> <td class="entry" headers="Python_SDK___table_hlq_ysm_qlb__entry__4 "><p class="p">对象 key,需自行实现策略保证同一 bucket 下 object_key 唯一, 不能为空,首字符不能为路径符“/”</p></td> <td class="entry" headers="Python_SDK___table_hlq_ysm_qlb__entry__5 "> <p class="p">-</p> </td> </tr> <tr class="row"> <td class="entry" headers="Python_SDK___table_hlq_ysm_qlb__entry__1 "><p class="p">data</p></td> <td class="entry" headers="Python_SDK___table_hlq_ysm_qlb__entry__2 "><p class="p">Input_stream</p></td> <td class="entry" headers="Python_SDK___table_hlq_ysm_qlb__entry__3 "><p class="p">true</p></td> <td class="entry" headers="Python_SDK___table_hlq_ysm_qlb__entry__4 "><p class="p">待上传的文件对象</p></td> <td class="entry" headers="Python_SDK___table_hlq_ysm_qlb__entry__5 "> <p class="p">-</p> </td> </tr> <tr class="row"> <td class="entry" headers="Python_SDK___table_hlq_ysm_qlb__entry__1 "><p class="p">object_metadata</p></td> <td class="entry" headers="Python_SDK___table_hlq_ysm_qlb__entry__2 "><p class="p">ObjectMetadata</p></td> <td class="entry" headers="Python_SDK___table_hlq_ysm_qlb__entry__3 "><p class="p">false</p></td> <td class="entry" headers="Python_SDK___table_hlq_ysm_qlb__entry__4 "><p class="p">可选参数,自定义元数据</p></td> <td class="entry" headers="Python_SDK___table_hlq_ysm_qlb__entry__5 "> <p class="p">-</p> </td> </tr> </tbody></table> <p class="p"><strong class="ph b">响应参数</strong></p> <table class="table" id="Python_SDK___table_ilq_ysm_qlb"><caption></caption><colgroup><col><col><col><col></colgroup><thead class="thead"> <tr class="row"> <th class="entry" id="Python_SDK___table_ilq_ysm_qlb__entry__1"><p class="p">参数名称</p></th> <th class="entry" id="Python_SDK___table_ilq_ysm_qlb__entry__2"><p class="p">参数类型</p></th> <th class="entry" id="Python_SDK___table_ilq_ysm_qlb__entry__3"><p class="p">参数描述</p></th> <th class="entry" id="Python_SDK___table_ilq_ysm_qlb__entry__4"><p class="p">备注</p></th> </tr> </thead><tbody class="tbody"> <tr class="row"> <td class="entry" headers="Python_SDK___table_ilq_ysm_qlb__entry__1 "><p class="p">putObjectResult</p></td> <td class="entry" headers="Python_SDK___table_ilq_ysm_qlb__entry__2 "><p class="p">PutObjectResult</p></td> <td class="entry" headers="Python_SDK___table_ilq_ysm_qlb__entry__3 "><p class="p">PutObjectResult返回对象</p></td> <td class="entry" headers="Python_SDK___table_ilq_ysm_qlb__entry__4 "> <p class="p">-</p> </td> </tr> </tbody></table> <p class="p"><strong class="ph b">实例</strong></p> <pre xmlns:version="java:net.sf.saxon.Version" class="pre codeblock language-java"><strong class="hl-keyword" style="color:#7f0055">import</strong> requests bucket_name = “YourBucketName” object_key = “YourObjectKey” input_stream = requests.get(<span class="hl-string" style="color:#2a00ff">"http://alm.paic.com.cn/project/2008/board/"</span>, stream=True) ret = obs.put_object(bucket_name, object_key, input_stream) </pre> <p class="p"><strong class="ph b">(4) put_object_multipart(分片上传)</strong></p> <p class="p"><strong class="ph b">接口描述</strong></p> <p class="p">对于大文件上传,可以切分成片上传。在以下情况下,应该考虑使用分片上传:</p> <ul class="ul" id="Python_SDK___ul_klq_ysm_qlb"> <li class="li">文件大于 100M</li> <li class="li">网络环境差,上传易导致失败</li> </ul> <p class="p">需要支持断点续传</p> <p class="p"><strong class="ph b">请求参数</strong></p> <table class="table" id="Python_SDK___table_llq_ysm_qlb"><caption></caption><colgroup><col><col><col><col><col></colgroup><thead class="thead"> <tr class="row"> <th class="entry" id="Python_SDK___table_llq_ysm_qlb__entry__1"><p class="p">参数名称</p></th> <th class="entry" id="Python_SDK___table_llq_ysm_qlb__entry__2"><p class="p">参数类型</p></th> <th class="entry" id="Python_SDK___table_llq_ysm_qlb__entry__3"><p class="p">是否必须</p></th> <th class="entry" id="Python_SDK___table_llq_ysm_qlb__entry__4"><p class="p">参数描述</p></th> <th class="entry" id="Python_SDK___table_llq_ysm_qlb__entry__5"><p class="p">备注</p></th> </tr> </thead><tbody class="tbody"> <tr class="row"> <td class="entry" headers="Python_SDK___table_llq_ysm_qlb__entry__1 "><p class="p">upload_file_request</p></td> <td class="entry" headers="Python_SDK___table_llq_ysm_qlb__entry__2 "><p class="p">MutilpartUploadFileRequest</p></td> <td class="entry" headers="Python_SDK___table_llq_ysm_qlb__entry__3 "><p class="p">true</p></td> <td class="entry" headers="Python_SDK___table_llq_ysm_qlb__entry__4 "> <p class="p">分片上传参数 upload_file_request的说明:</p> <p class="p">每个分片(除了最后一个分片)的大小必须不小于 5M,最后一个分片的大小无限制;</p> <p class="p">若任何一个分片(非最后一个分片)小于 5M,每个分片的上传不会失败,然而分片完成操作(complete)会失败。</p> <p class="p">enable_checkpoint 用于设置是否启用断点续传。默认启用。通过调用 upload_file_request.set_enable_checkpoint(False) 关闭断点续传功能。</p> <p class="p">checkpoint_file_path 用于设置断点续传 ucp 文件的保存位置。默认与待上传文件位于同一个目录下面。若非特殊需求,不需要更改此设置。</p> <p class="p">upload_notifier 用于设置分片上传的通知接收者。可以实现一个 mutilpart_upload_notifier,并调用 upload_file_request.set_upload_notifier 来接收分片上传的进展的通知,以达到如进度感知等目的。</p></td> <td class="entry" headers="Python_SDK___table_llq_ysm_qlb__entry__5 "><p class="p">-</p></td> </tr> </tbody></table> <p class="p"><strong class="ph b">响应参数</strong></p> <p class="p">无</p> <p class="p"><strong class="ph b">实例</strong></p> <pre xmlns:version="java:net.sf.saxon.Version" class="pre codeblock language-java">def notify_upload(upload_id, state, total_parts, finish_parts): bucket_name = “YourBucketName” object_key = “YourObjectKey” multipart_upload_file_path = “UploadFilePath” multipart_request = MultipartUploadFileRequest() multipart_request.set_bucket_name(bucket_name) multipart_request.set_object_key(object_key) multipart_request.set_upload_file_path(multipart_upload_file_path) multipart_request.set_upload_notifier(notify_upload) obs.put_object_multipart(multipart_request)</pre> <p class="p"><strong class="ph b">(5) get_object(下载文件)</strong></p> <p class="p"><strong class="ph b">接口描述</strong></p> <p class="p">下载指定对象。</p> <p class="p"><strong class="ph b">请求参数</strong></p> <table class="table" id="Python_SDK___table_olq_ysm_qlb"><caption></caption><colgroup><col><col><col><col><col></colgroup><thead class="thead"> <tr class="row"> <th class="entry" id="Python_SDK___table_olq_ysm_qlb__entry__1"><p class="p">参数名称</p></th> <th class="entry" id="Python_SDK___table_olq_ysm_qlb__entry__2"><p class="p">参数类型</p></th> <th class="entry" id="Python_SDK___table_olq_ysm_qlb__entry__3"><p class="p">是否必须</p></th> <th class="entry" id="Python_SDK___table_olq_ysm_qlb__entry__4"><p class="p">参数描述</p></th> <th class="entry" id="Python_SDK___table_olq_ysm_qlb__entry__5"><p class="p">备注</p></th> </tr> </thead><tbody class="tbody"> <tr class="row"> <td class="entry" headers="Python_SDK___table_olq_ysm_qlb__entry__1 "><p class="p">bucket_name</p></td> <td class="entry" headers="Python_SDK___table_olq_ysm_qlb__entry__2 "><p class="p">string</p></td> <td class="entry" headers="Python_SDK___table_olq_ysm_qlb__entry__3 "><p class="p">true</p></td> <td class="entry" headers="Python_SDK___table_olq_ysm_qlb__entry__4 "><p class="p">保存对象的 bucket名称</p></td> <td class="entry" headers="Python_SDK___table_olq_ysm_qlb__entry__5 "><p class="p">-</p></td> </tr> <tr class="row"> <td class="entry" headers="Python_SDK___table_olq_ysm_qlb__entry__1 "><p class="p">object_key</p></td> <td class="entry" headers="Python_SDK___table_olq_ysm_qlb__entry__2 "><p class="p">string</p></td> <td class="entry" headers="Python_SDK___table_olq_ysm_qlb__entry__3 "><p class="p">true</p></td> <td class="entry" headers="Python_SDK___table_olq_ysm_qlb__entry__4 "><p class="p">对象 key</p></td> <td class="entry" headers="Python_SDK___table_olq_ysm_qlb__entry__5 "><p class="p">-</p></td> </tr> </tbody></table> <p class="p"><strong class="ph b">响应参数</strong></p> <table class="table" id="Python_SDK___table_plq_ysm_qlb"><caption></caption><colgroup><col><col><col><col></colgroup><thead class="thead"> <tr class="row"> <th class="entry" id="Python_SDK___table_plq_ysm_qlb__entry__1"><p class="p">参数名称</p></th> <th class="entry" id="Python_SDK___table_plq_ysm_qlb__entry__2"><p class="p">参数类型</p></th> <th class="entry" id="Python_SDK___table_plq_ysm_qlb__entry__3"><p class="p">参数描述</p></th> <th class="entry" id="Python_SDK___table_plq_ysm_qlb__entry__4"><p class="p">备注</p></th> </tr> </thead><tbody class="tbody"> <tr class="row"> <td class="entry" headers="Python_SDK___table_plq_ysm_qlb__entry__1 "><p class="p">s3Object</p></td> <td class="entry" headers="Python_SDK___table_plq_ysm_qlb__entry__2 "><p class="p">S3Object</p></td> <td class="entry" headers="Python_SDK___table_plq_ysm_qlb__entry__3 "><p class="p">S3Object 返回对象,可以获取对象流自己保存,也可以传入文件对象直接存储</p></td> <td class="entry" headers="Python_SDK___table_plq_ysm_qlb__entry__4 "><p class="p">-</p></td> </tr> </tbody></table> <p class="p"><strong class="ph b">实例</strong></p> <pre xmlns:version="java:net.sf.saxon.Version" class="pre codeblock language-java">bucket_name = “YourBucketName” object_key = “YourObjectKey” to_file_path = “DownloadFilePath” s3_object = obs.get_object(bucket_name, object_key) #读取对象流自己存储 with open(to_file_path, <span class="hl-string" style="color:#2a00ff">"wb"</span>) as to_file: &nbsp;&nbsp;&nbsp; shutil.copyfileobj(s3_object.get_object_stream(), to_file) #传入文件对象直接存储 with open(to_file_path, <span class="hl-string" style="color:#2a00ff">"wb"</span>) as to_file: &nbsp;&nbsp;&nbsp; s3_object.to_file(to_file) #获取自定义元数据 print(s3_object.get_object_metadata().get_user_metadata()) </pre> </section>
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