storjPython 1.0.1

storj python绑定

使用RC v1.0.1 storj/uplink-c

开发

初始设置

NOTE：Golang的

请确保您的PATH包含$GOPATH/bin目录，以便您的命令可以方便地使用Refer: Install the Go Tools：

export PATH=$PATH:$GOPATH/bin

通过运行以下命令安装storj-uplink-cgo包：

^{pr2}$

NOTE：对于Python

请确保您的系统上安装了python3.x和pip。如果您有python3.4或更高版本，默认情况下会包含pip。pythonStorj不支持python2.x

$ python get-pip.py

通过运行以下命令安装storjPythonpython包：

$ pip install storjPython

设置文件

• 在

  在git克隆go包之后，使用cmd/terminal导航到$HOME/go/src/storj.io/uplink-c文件夹。在

  在
• 在

  使用以下命令在$HOME/go/src/storj.io/uplink-c文件夹中创建“.so”文件：

  在

$ go build -o libuplinkc.so -buildmode=c-shared 

• 在

  复制libuplinkc.so文件放入安装Python包的文件夹中

  在
• 在

  要在项目中包含uplinkPython，请使用以下命令导入库：

  在

from storjPython.uplinkPython import *

• 创建一个LibUplinkPy类的对象来访问库的所有函数。请参考样品helloStorj.py例如，文件。在

variable_name = LibUplinkPy()

样品你好史托吉！在

文件helloStorj.py可以在安装Python包的文件夹中找到。在

示例helloStorj.py代码调用uplinkPython.py文件并导入libUplinkPy绑定类来执行以下操作：

• 列出Storj项目中的所有bucket
• 在所需的Storj项目中创建一个新的bucket（如果不存在的话）
• 从本地计算机将文件写入a Storj bucket
• 从Storj bucket读回对象到本地系统进行验证
• 列出存储桶中的所有对象
• 从Storj项目中删除bucket
• 使用权限和共享前缀创建可共享访问。在
• 列出所有具有共享访问权限的存储桶和对象。在

Storj Python绑定函数

NOTE：每个函数都由错误响应组成。请使用它来检查函数调用是否成功。如果不是None，那么也可以显示错误的文本。请参考样品helloStorj.py例如，文件。在

使用密钥片语（字符串，字符串，字符串）

* function requests satellite for a new access grant using a passphrase
* pre-requisites: none
* inputs: Satellite Address (String), API key (String) and Passphrase (String)
* output: AccessResult (Object), Error (String) if any else None

使用密码短语（Object，String，String，String）

* function requests satellite for a new access grant using a passphrase and custom configuration
* pre-requisites: none
* inputs: Config (Object), Satellite Address (String), API key (String) and Passphrase (String)
* output: AccessResult (Object), Error (String) if any else None

• 注意：要设置配置，请参考：Config

打开项目（对象）

* function opens Storj(V3) project using access grant.
* pre-requisites: request_access_with_passphrase or parse_access function has been already called
* inputs: Access (Object)
* output: ProjectResult (Object), Error (String) if any else None

配置打开项目（对象，对象）

* function opens Storj(V3) project using access grant and custom configuration.
* pre-requisites: request_access_with_passphrase or parse_access function has been already called
* inputs: Config (Object), Access (Object)
* output: ProjectResult (Object), Error (String) if any else None

• 注意：要设置配置，请参考：Config

关闭项目（对象）

* function closes the Storj(V3) project.
* pre-requisites: open_project function has been already called
* inputs: Project (Object)
* output: Error (Object) if any else None

确保bucket（Object，String）

* function creates a new bucket and ignores the error when it already exists
* pre-requisites: open_project function has been already called
* inputs: Project (Object) ,Bucket Name (String)
* output: BucketResult (Object), Error (String) if any else None

bucket（字符串）<3>

* function returns information about a bucket.
* pre-requisites: open_project function has been already called
* inputs: Project (Object), Bucket Name (String)
* output: BucketResult (Object), Error (String) if any else None

创建bucket（Object，String）

* function creates a new bucket.
* pre-requisites: open_project function has been already called
* inputs: Project (Object), Bucket Name (String)
* output: BucketResult (Object), Error (String) if any else None

列出存储桶（对象，对象）

* function lists buckets
* pre-requisites: open_project function has been already called
* inputs: Project (Object), ListBucketsOptions (Object)
* output: Bucket List (Python List), Error (String) if any else None

• 注意：要设置列表存储区选项，请参阅：ListBucketOptions

删除bucket（Object，String）

* function deletes a bucket.
* pre-requisites: open_project function has been already called
* inputs: Project (Object), Bucket Name (String)
* output: BucketResult (Object), Error (String) if any else None

stat_对象（object，String，String）

* function returns information about an object at the specific key.
* pre-requisites: open_project
* inputs: Project (Object) ,Bucket Name (String) , Object Key(String)
* output: ObjectResult (Object), Error (string) if any else None

列出\u对象（Object，String，Object）

* function lists objects
* pre-requisites: open_project function has been already called
* inputs: Project (Object), Bucket Name (String), ListObjectsOptions (Object)
* output: Bucket List (Python List), Error (String) if any else None

• 注意：要设置列表对象选项，请参阅：ListObjectOptions

删除_object（object，String，String）

* function deletes an object.
* pre-requisites: open_project function has been already called
* inputs: Project (Object), Bucket Name (String), Object Key (String)
* output: ObjectResult (Object), Error (String) if any else None

上传\u object（object，String，String，object）

^{pr21}$

• 注意：要设置上载选项，请参阅：UploadOptions

上传写入（Object，LP\u ubyte，Integer）

* function uploads bytes data passed as parameter to the object's data stream.
* pre-requisites: upload_object function has been already called
* inputs: Upload (Object), Bytes Data Stream(LP_c_ubyte) , Length (Integer)
* output: WriteResult (Object), Error (String) if any else None

• 注意：传递给函数的要上载的数据（LP\u ubyte）只能是ctypes char或uint8指针。（请参考样品helloStorj.py例如，文件。）

上传提交（Object）

* function commits the uploaded data.
* pre-requisites: upload_object function has been already called
* inputs: Upload (Object)
* output: Error (Object) if any else None

上传中止（Object）

* function aborts an ongoing upload.
* pre-requisites: upload_object function has been already called
* inputs: Upload (Object)
* output: Error (Object) if any else None

上传自定义元数据(对象，对象）

* function to set custom meta information while uploading data
* pre-requisites: upload_object function has been already called
* inputs: Upload (Object), CustomMetadata (Object)
* output: Error (Object) if any else None

• 注意：要设置自定义元数据，请参阅：CustomMetadata

上载信息（对象）

* function returns the last information about the uploaded object.
* pre-requisites: upload_object function has been already called
* inputs: Upload (Object)
* output: Object Result (Object), Error (String) if any else None

下载_object（object，String，String，object）

* function starts download to the specified key.
* pre-requisites: open_project function has been already called
* inputs: Project (Object), Bucket Name(String), Object Key(String), Download Options(Object)
* output: DownloadResult (Object), Error (String) if any else None

• 注意：要设置下载选项，请参阅：DownloadOptions

下载读取（Object，Integer）

* function downloads from object's data stream into bytes up to length amount.
* pre-requisites: download_object function has been already called
* inputs: Download (Object), Length(Integer)
* output: Data downloaded (LP_c_ubyte), ReadResult (Object), Error (String) if any else None

关闭下载（Object）

* function closes the download.
* pre-requisites: download_object function has been already called
* inputs: Download (Object)
* output: Error (Object) if any else None

下载信息（对象）

* function returns information about the downloaded object.
* pre-requisites: download_object function has been already called
* inputs: Download (Object)
* output: Object Result (Object), Error (String) if any else None

解析访问（字符串）

^{pr31}$

访问串行化（对象）

* function serializes access grant into a string.
* pre-requisites: request_access_with_passphrase or parse_access function has been already called
* inputs: Access (Object)
* output: StringResult (Object), Error (String) if any else None

访问共享（对象，对象，列表）

* function creates new access grant with specific permission. Permission will be applied to prefixes when defined.
* pre-requisites: request_access_with_passphrase or parse_access function has been already called
* inputs: Access (Object), Permission (Object), Share Prefix (Python List of Dictionaries)
* output: String Result (Object), Error (String) if any else None

• 注意：要设置权限，请参阅：Permission
• 注意：要设置共享前缀，请参阅：SharedPrefix

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