Hello all, In the past few months, the development team has mentored a student, Olga, to help us developing a user script <https://www.wikidata.org/wiki/User:Jonas_Kress_%28WMDE%29/check_constraints.js> that displays the constraints on the item pages.
To use the script, add the following line to your user/common.js: mw.loader.load( '//www.wikidata.org/w/index.php?title=User:Jonas_Kress_(WMDE)/check_constraints.js&action=raw&ctype=text/javascript' ); You will see an icon [image: Icon used on the user script for constraint reports on Wikidata] <https://commons.wikimedia.org/wiki/File:Constraint_icon.png> next to violations. When you click it you will see the full report. [image: Screenshot of the user script checking constraints on Wikidata] <https://commons.wikimedia.org/wiki/File:Screenshot_constraint_check_Wikidata_user_script.png> This script is based on a new API module for constraint checks <https://www.wikidata.org/wiki/Special:ApiSandbox#action.3Dwbcheckconstraints.26format.3Djson.26id.3DQ2> that one can use to check constraints on items and statements. At the moment, the constraint checks are only derived from the property discussion page constraint templates, not directly from statements. They are then stored in a database table. We are running a script to update this table every now and then or when you ask for it. Also note that some constraint checks are disabled (for example the format check). In the future we will support adding and updating constraints on property statements and we will implement support for some constraints that are currently still missing. If you try it, feel free to give us feedback! You can also add comments or subtasks on Phabricator (see the ticket for the API module <https://phabricator.wikimedia.org/T102757> and the user script <https://phabricator.wikimedia.org/T97018>). If there is no major disagreement, we would like to turn this script into a gadget in the next days. Thanks go to Olga and all the developers that helped her providing this new feature :) See also: - API Documentation <https://www.mediawiki.org/wiki/Wikibase/API#wbcheckconstraints> - Self-documentation for the module <https://www.wikidata.org/w/api.php?action=help&modules=wbcheckconstraints> Cheers, -- Léa Lacroix Project Manager Community Communication for Wikidata Wikimedia Deutschland e.V. Tempelhofer Ufer 23-24 10963 Berlin www.wikimedia.de Wikimedia Deutschland - Gesellschaft zur Förderung Freien Wissens e. V. Eingetragen im Vereinsregister des Amtsgerichts Berlin-Charlottenburg unter der Nummer 23855 Nz. Als gemeinnützig anerkannt durch das Finanzamt für Körperschaften I Berlin, Steuernummer 27/029/42207.
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