Hoi,
In what way will we know how useful this is? Will we have usage statistics ?
Thanks,
GerardM
On 10 March 2015 at 23:23, Gabriel Wicke gwi...@wikimedia.org wrote:
Hello all,
I am happy to announce the beta release of the Wikimedia REST Content API
at
https://rest.wikimedia.org/
Each domain has its own API documentation, which is auto-generated from
Swagger API specs. For example, here is the link for the English Wikipedia:
https://rest.wikimedia.org/en.wikipedia.org/v1/?doc
At present, this API provides convenient and low-latency access to article
HTML, page metadata and content conversions between HTML and wikitext.
After extensive testing we are confident that these endpoints are ready for
production use, but have marked them as 'unstable' until we have also
validated this with production users. You can start writing applications
that depend on it now, if you aren't afraid of possible minor changes
before transitioning to 'stable' status. For the definition of the terms
‘stable’ and ‘unstable’ see https://www.mediawiki.org/wiki/API_versioning
.
While general and not specific to VisualEditor, the selection of endpoints
reflects this release's focus on speeding up VisualEditor. By storing
private Parsoid round-trip information separately, we were able to reduce
the HTML size by about 40%. This in turn reduces network transfer and
processing times, which will make loading and saving with VisualEditor
faster. We are also switching from a cache to actual storage, which will
eliminate slow VisualEditor loads caused by cache misses. Other users of
Parsoid HTML like Flow, HTML dumps, the OCG PDF renderer or Content
translation will benefit similarly.
But, we are not done yet. In the medium term, we plan to further reduce the
HTML size by separating out all read-write metadata. This should allow us
to use Parsoid HTML with its semantic markup
https://www.mediawiki.org/wiki/Parsoid/MediaWiki_DOM_spec directly for
both views and editing without increasing the HTML size over the current
output. Combined with performance work in VisualEditor, this has the
potential to make switching to visual editing instantaneous and free of any
scrolling.
We are also investigating a sub-page-level edit API for micro-contributions
and very fast VisualEditor saves. HTML saves don't necessarily have to wait
for the page to re-render from wikitext, which means that we can
potentially make them faster than wikitext saves. For this to work we'll
need to minimize network transfer and processing time on both client and
server.
More generally, this API is intended to be the beginning of a multi-purpose
content API. Its implementation (RESTBase
http://www.mediawiki.org/wiki/RESTBase) is driven by a declarative
Swagger API specification, which helps to make it straightforward to extend
the API with new entry points. The same API spec is also used to
auto-generate the aforementioned sandbox environment, complete with handy
try it buttons. So, please give it a try and let us know what you think!
This API is currently unmetered; we recommend that users not perform more
than 200 requests per second and may implement limitations if necessary.
I also want to use this opportunity to thank all contributors who made this
possible:
- Marko Obrovac, Eric Evans, James Douglas and Hardik Juneja on the
Services team worked hard to build RESTBase, and to make it as extensible
and clean as it is now.
- Filippo Giunchedi, Alex Kosiaris, Andrew Otto, Faidon Liambotis, Rob
Halsell and Mark Bergsma helped to procure and set up the Cassandra storage
cluster backing this API.
- The Parsoid team with Subbu Sastry, Arlo Breault, C. Scott Ananian and
Marc Ordinas i Llopis is solving the extremely difficult task of converting
between wikitext and HTML, and built a new API that lets us retrieve and
pass in metadata separately.
- On the MediaWiki core team, Brad Jorsch quickly created a minimal
authorization API that will let us support private wikis, and Aaron Schulz,
Alex Monk and Ori Livneh built and extended the VirtualRestService that
lets VisualEditor and MediaWiki in general easily access external services.
We welcome your feedback here:
https://www.mediawiki.org/wiki/Talk:RESTBase
- and in Phabricator
https://phabricator.wikimedia.org/maniphest/task/create/?projects=RESTBasetitle=Feedback
:
.
Sincerely --
Gabriel Wicke
Principal Software Engineer, Wikimedia Foundation
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