[Wikimedia-l] [Wikimedia Announcements] Lua scripting enabled today on all wikis

Thu Mar 14 08:00:09 UTC 2013

Le 2013-03-13 19:38, Guillaume Paumier a écrit :
> Greetings,
>
> As you might have seen on the Wikimedia tech
> 
> blog<https://blog.wikimedia.org/2013/03/11/lua-templates-faster-more-flexible-pages/>(article
> included below) or the tech
> ambassadors
> 
> list<http://lists.wikimedia.org/pipermail/wikitech-ambassadors/2013-March/000171.html>,
> a new functionality called "Lua" is being enabled on all Wikimedia 
> sites
> today.

That's so great, thank you! I know there are plenty of templates that 
need it. For example I was waiting for it to write one which generate 
wiktionnaire articles for number, so you can go to 
https://fr.wiktionary.org/wiki/15687435, and get a description of how 
you prononce it in (hopefuly) each wiktionnaire covered language, plus 
some description.

Thank you to bring us this tool. :)

Kind regards,
mathieu

> Lua <https://www.mediawiki.org/wiki/Lua> is a scripting language
> that enables Wikimedia editors to write faster and more powerful 
> MediaWiki
> templates.
>
> If you have questions about how to convert existing templates to Lua 
> (or
> how to create new ones), we'll be holding two support sessions on IRC 
> next
> week: one on
> 
> Wednesday<http://www.timeanddate.com/worldclock/fixedtime.html?hour=02&min=00&sec=0&day=20&month=03&year=2013>(for
> Oceania, Asia & America) and one
> on
> 
> Friday<http://www.timeanddate.com/worldclock/fixedtime.html?hour=18&min=00&sec=0&day=22&month=03&year=2013>(for
> Europe, Africa & America); see m:IRC
> office hours <https://meta.wikimedia.org/wiki/IRC_office_hours> for
> details. If you can't make it, you can also get help at mw:Talk:Lua
> scripting <https://www.mediawiki.org/wiki/Talk:Lua_scripting>.
>
> If you'd like to learn about this kind of events earlier in advance,
> consider becoming a Tech
> ambassador<https://meta.wikimedia.org/wiki/Tech/Ambassadors>by
> subscribing to the mailing
> list 
> <https://lists.wikimedia.org/mailman/listinfo/wikitech-ambassadors>.
>
>
> =================================
>
> New Lua templates bring faster, more flexible pages to your
> 
> wiki<https://blog.wikimedia.org/2013/03/11/lua-templates-faster-more-flexible-pages/>
> Posted by Sumana Harihareswara
> <https://blog.wikimedia.org/author/sumanah/>on March 11th, 2013
>
> Starting Wednesday, March 13th, you’ll be able to make wiki pages 
> even more
> useful, no matter what language you speak: we’re adding
> Lua<https://en.wikipedia.org/wiki/Lua_%28programming_language%29>as a
> templating language. This will make it easier for you to create and
> change infoboxes, tables, and other useful MediaWiki templates. We’ve
> already started to deploy
> Scribunto<https://www.mediawiki.org/wiki/Extension:Scribunto>(the
> MediaWiki extension that enables this); it’s on several of the sites,
> including
> English Wikipedia <https://en.wikipedia.org/wiki/Wikipedia:Lua>, 
> right now.
>
> You’ll find this useful for performing more complex tasks for which
> templates are too complex or slow *—* common examples include numeric
> computations, string manipulation and parsing, and decision trees. 
> Even if
> you don’t write templates, you’ll enjoy seeing pages load faster and 
> with
> more interesting ways to present information.
> Background
>
> MediaWiki developers introduced templates and parser
> 
> functions<https://www.mediawiki.org/wiki/Extension:ParserFunctions>years
> ago to allow end-users of MediaWiki to replicate content easily and
> build tools using basic logic. Along the way, we found that we were 
> turning
> wikitext into a limited programming language. Complex templates have 
> caused
> performance issues and bottlenecks, and it’s difficult for users to 
> write
> and understand templates. Therefore, the Lua scripting
> project<https://www.mediawiki.org/wiki/Lua_scripting>aims to make it
> possible for MediaWiki end-users to use a proper scripting
> language that will be more powerful and efficient than ad-hoc, parser
> functions-based logic. The example of Lua’s use in World of
> Warcraft<http://www.wowwiki.com/Lua>is promising; even novices with 
> no
> programming experience have been able to
> make large changes to their graphical experiences by quickly learning 
> some
> Lua.
> Lua on your wiki
>
> As of March 13th, you’ll be able to use Lua on your home wiki (if 
> it’s not
> already enabled). Lua code can be embedded into wiki templates by 
> employing
> the {{#invoke:}} parser function provided by the Scribunto MediaWiki
> extension. The Lua source code is stored in pages called modules 
> (e.g.,
> Module:Bananas <https://en.wikipedia.org/wiki/Module:Bananas>). These
> individual modules are then invoked on template pages. The example:
> Template:Lua
> hello world <https://en.wikipedia.org/wiki/Template:Lua_hello_world> 
> uses
> the code {{#invoke:Bananas|hello}} to print the text “Hello, world!”. 
> So,
> if you start seeing edits in the Module namespace, that’s what’s 
> going on.
> Getting started
>
> Check out the basic “hello, world!”
> 
> instructions<https://www.mediawiki.org/wiki/Extension:Scribunto/Lua_reference_manual#Getting_started>,
> then look at Brad Jorsch’s short
> 
> presentation<https://commons.wikimedia.org/wiki/File:WMF_Tech_Talk_2013-02-28_slides_-_Scribunto_presentation.pdf>for
> a basic example of how to convert a wikitext template into a Lua
> module. After that, try Tim Starling’s
> tutorial<https://www.mediawiki.org/wiki/Lua_scripting/Tutorial>
> .
>
> To help you preview and test a converted template, try
> 
> Special:TemplateSandbox<https://www.mediawiki.org/wiki/Special:TemplateSandbox>on
> your wiki. With it, you can preview a page using sandboxed versions 
> of
> templates and modules, allowing for easy testing before you make the
> sandbox code live.
>
> Where to start? If you use pywikipedia, try parsercountfunction.py by
> 
> Bináris<https://svn.wikimedia.org/svnroot/pywikipedia/trunk/pywikipedia/parserfunctioncount.py>,
> which helps you find wikitext templates that currently parse slowly 
> and
> thus would be worth converting to Lua. Try fulfilling open requests 
> for
> conversion on English
> Wikipedia<https://en.wikipedia.org/wiki/Wikipedia:Lua_requests>,
> possibly using Anomie’s Greasemonkey
> 
> script<https://en.wikipedia.org/wiki/User:Anomie/PP-report-Greasemonkey-script>to
> help you see the performance gains. On English Wikipedia, some
> of the templates have already been
> 
> converted<https://en.wikipedia.org/wiki/Special:WhatLinksHere/Template:Lua_talk>
>  *—* feel free to reuse them on your wiki.
>
> The Lua hub on mediawiki.org <https://www.mediawiki.org/wiki/Lua> has 
> more
> information; please add to it. And enjoy your faster, more flexible
> templates!
>
> *Sumana Harihareswara, Engineering Community Manager*
> =================================
>
>
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