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FindDeletedTranslationsMaintenanceScript.php
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FindDeletedTranslationsMaintenanceScript.php
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<?php
declare( strict_types = 1 );
namespace MediaWiki\Extension\Translate\Diagnostics;
use Cdb\Reader;
use MediaWiki\Extension\Translate\MessageSync\MessageSourceChange;
use MediaWiki\Extension\Translate\Synchronization\ManageGroupsSpecialPage;
use MediaWiki\Extension\Translate\Synchronization\MessageChangeStorage;
use MediaWiki\Extension\Translate\Utilities\BaseMaintenanceScript;
use MediaWiki\Extension\Translate\Utilities\Utilities;
use MediaWiki\MediaWikiServices;
use MediaWiki\Title\Title;
/**
* This maintenance script finds translations that are deleted from
* upstream file based message groups
*
* @author Abijeet Patro
* @license GPL-2.0-or-later
* @since 2025.01
*/
class FindDeletedTranslationsMaintenanceScript extends BaseMaintenanceScript {
public function __construct() {
parent::__construct();
$this->addDescription(
'Script to find translations that are deleted upstream for file based message groups'
);
$this->addOption(
'cdb-name',
'Name of the cdb file containing the incoming changes',
self::REQUIRED,
self::HAS_ARG
);
$this->addOption(
'group',
'Name of the group to identify the deletions for',
self::REQUIRED,
self::HAS_ARG
);
$this->requireExtension( 'Translate' );
}
public function execute() {
$cdbName = $this->getOption( 'cdb-name' );
$cdbPath = MessageChangeStorage::getCdbPath( $cdbName );
$groupId = $this->getOption( 'group' );
// Initialize services
$mwInstance = MediaWikiServices::getInstance();
$nsInfo = $mwInstance->getNamespaceInfo();
$contentLanguage = $mwInstance->getContentLanguage();
$linkBatchFactory = $mwInstance->getLinkBatchFactory();
if ( !file_exists( $cdbPath ) ) {
$this->fatalError( "Cdb file $cdbPath not found" );
}
$reader = Reader::open( $cdbPath );
$groups = ManageGroupsSpecialPage::getGroupsFromCdb( $reader );
// Verify that the group has changes
if ( !isset( $groups[$groupId] ) ) {
$this->fatalError( "No changes found for group $groupId" );
}
$group = $groups[$groupId];
$groupNamespace = $group->getNamespace();
$isCap = $nsInfo->isCapitalized( $groupNamespace );
// Get the changes
$sourceChanges = MessageSourceChange::loadModifications(
Utilities::deserialize( $reader->get( $groupId ) )
);
// Get all languages that have changes
$languages = $sourceChanges->getLanguages();
$deletionChanges = [];
$titleCache = [];
$lb = $linkBatchFactory->newLinkBatch();
foreach ( $languages as $language ) {
$languageDeletions = $sourceChanges->getDeletions( $language );
foreach ( $languageDeletions as $change ) {
$key = $change[ 'key' ];
if ( $isCap ) {
$key = $contentLanguage->ucfirst( $key );
}
$messageTitle = Title::makeTitle( $groupNamespace, "$key/$language" );
$titleCache[] = $messageTitle;
$lb->addObj( $messageTitle );
}
}
$lb->setCaller( __METHOD__ );
$lb->execute();
foreach ( $titleCache as $messageTitle ) {
if ( $messageTitle->exists() ) {
$deletionChanges[] = $messageTitle;
}
}
if ( !$deletionChanges ) {
$this->output( "No deletion changes found for $groupId" );
}
// Print out the list of changes
foreach ( $deletionChanges as $deletedTitle ) {
$this->output( $deletedTitle->getPrefixedDBkey() . "\n" );
}
}
}

File Metadata

Mime Type
text/x-php
Expires
Aug 17 2026, 18:41 (10 w, 1 d ago)
Storage Engine
local-disk
Storage Format
Raw Data
Storage Handle
bd/25/de5c77f435f07b9bd41490885834
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FindDeletedTranslationsMaintenanceScript.php (3 KB)

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