Extension:外部数据

MediaWiki扩展手册

External Data 发行状态： 稳定版
实现	解析器函数 , 特殊页面
描述	允许使用和显示从不同来源所获取的值：外部URL和SOAP服务、本地维基页面和本地文件（CSV、JSON、XML 和其他格式）、数据库表、LDAP服务器和本地程序输出。
作者	Yaron Koren, Alexander Mashin 以及其他
最新版本	3.3 (2023年11月)
兼容性政策	master分支维持向后兼容。
MediaWiki	1.37+
数据库更改	是
Composer	mediawiki/external-data
表	ed_url_cache
许可协议	GNU通用公眾授權條款2.0或更新版本
下載	參見：下载和安装
示例	包含从外部CSV文件获取的信息的页面
参数 $wgSources $wgConnectors $wgAllowGetters $wgIntegratedConnectors $wgVerbose $wgParsers
使用的函数钩 LoadExtensionSchemaUpdates ParserFirstCallInit ScribuntoExternalLibraries SoftwareInfo
提供的函数钩 ExternalDataBeforeWebCall
問題	开启的任务 · 报告错误

External Data扩展允许MediaWiki页面从一个或多个来源中检索、过滤和格式化结构化数据。 这些来源包括外部URL和SOAP服务、常规维基页面、上传的文件、本地服务器上的文件、数据库、LDAP目录和本地程序输出。

该扩展定义了以下 parser functions ：

• 数据检索和处理函数，用于设置本地变量，然后显示或存储这些变量：
  • #external_value - displays the value of any such variable.
  • #for_external_table - cycles through all the values retrieved for a set of variables, displaying the same "container" text for each one.
  • #display_external_table - cycles through all the values retrieved for a set of variables, displaying each "row" using a template.
  • #format_external_table - available only if Cargo is installed. Formats the retrieved external data the same way as #cargo_query.
  • #store_external_table - cycles through a table of values, storing them as semantic data via the Semantic MediaWiki extension, by mimicking a call to SMW's #subobject function for each row.
• In the Legacy mode the extension also defines data retrieval functions, which set local variables available with wikipage scope that can later be displayed using the above functions:
  • #get_external_data - retrieves data from various sources, thus replacing any of the below parser functions, and assigns it to variables that can be accessed on the page.
  • #get_web_data - retrieves CSV, GFF, JSON, YAML, XML, HTML, ini, or free-form data from a URL and assigns it to variables that can be accessed on the page.
  • #get_soap_data - retrieves data from a URL via the SOAP protocol.
  • #get_file_data - retrieves data from a file on the local server, in the same formats as #get_web_data.
  • #get_db_data - retrieves data from a database.
  • #get_ldap_data - retrieves data from an LDAP server.
  • #get_program_data - retrieves data returned by a program run server-side.
  • #get_inline_data - parses data passed to it, in the same formats as #get_web_data.
  • and also #clear_external_data that erases the current set of retrieved data or only some variables.

It also defines a Lua function mw.ext.externalData.getExternalData that retrieves data and returns it as Lua table.

In the Legacy mode, the following additional Lua functions are also defined (there is one-to-one correspondence between parser functions retrieving data and Lua functions evident from their names):

• mw.ext.externalData.getWebData
• mw.ext.externalData.getFileData
• mw.ext.externalData.getDbData
• mw.ext.externalData.getSoapData
• mw.ext.externalData.getLdapData
• mw.ext.externalData.getProgramData
• mw.ext.externalData.getInlineData

In tag emulation mode, the wiki site administrator can define additional parser tags.

This version of the External Data extension requires MediaWiki 1.37+.

Click through the pages in the navigation bar above to learn more about External Data, how it works, how to use it, and how to install it.