preprocessDump.php maintenance script.
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148
maintenance/preprocessDump.php
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148
maintenance/preprocessDump.php
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<?php
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/**
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* Take page text out of an XML dump file and preprocess it to obj.
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* It may be useful for getting preprocessor statistics or filling the
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* preprocessor cache.
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*
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* Copyright (C) 2011 Platonides - http://www.mediawiki.org/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Maintenance
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*/
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require_once( dirname( __FILE__ ) . '/Maintenance.php' );
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class PreprocessDump extends Maintenance {
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private $count = 0;
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private $outputDirectory, $startTime;
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/* Variables for dressing up as a parser */
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public $mTitle = 'PreprocessDump';
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public $mPPNodeCount = 0;
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public function getStripList() {
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global $wgParser;
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return $wgParser->getStripList();
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}
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public function __construct() {
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parent::__construct();
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$this->saveFailed = false;
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$this->mDescription = "Run a file or dump with a preprocessor";
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$this->addOption( 'file', 'File with text to run.', false, true );
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$this->addOption( 'dump', 'XML dump to execute all revisions.', false, true );
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$this->addOption( 'from', 'Article from XML dump to start from.', false, true );
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$this->addOption( 'cache', 'Use and populate the preprocessor cache.', false, false );
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$this->addOption( 'preprocessor', 'Preprocessor to use.', false, false );
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}
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public function getDbType() {
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return Maintenance::DB_NONE;
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}
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public function execute() {
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global $wgParser, $wgParserConf, $wgPreprocessorCacheThreshold;
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if (! ( $this->hasOption( 'file' ) ^ $this->hasOption( 'dump' ) ) ) {
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$this->error("You must provide a file or dump", true);
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}
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if ( !$this->hasOption( 'cache' ) ) {
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$wgPreprocessorCacheThreshold = false;
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$this->saveFailed = $this->getOption('save-failed');
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}
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if ( $this->hasOption( 'preprocessor' ) ) {
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$name = $this->getOption( 'preprocessor' );
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} elseif ( isset( $wgParserConf['preprocessorClass'] ) ) {
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$name = $wgParserConf['preprocessorClass'];
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} else {
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$name = 'Preprocessor_DOM';
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}
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$wgParser->firstCallInit();
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$this->mPreprocessor = new $name( $this );
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if ( $this->hasOption( 'file' ) ) {
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$revision = new WikiRevision;
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$revision->setText( file_get_contents( $this->getOption( 'file' ) ) );
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$revision->setTitle( Title::newFromText( rawurldecode( basename( $this->getOption('file'), '.txt' ) ) ) );
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$this->handleRevision( $revision );
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return;
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}
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$this->startTime = wfTime();
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if ( $this->getOption('dump') == '-' ) {
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$source = new ImportStreamSource( $this->getStdin() );
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} else {
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$this->error("Sorry, I don't support dump filenames yet. Use - and provide it on stdin on the meantime.", true);
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}
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$importer = new WikiImporter( $source );
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$importer->setRevisionCallback(
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array( &$this, 'handleRevision' ) );
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$this->from = $this->getOption( 'from', null );
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$this->count = 0;
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$importer->doImport();
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$delta = wfTime() - $this->startTime;
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$this->error( "{$this->count} revisions preprocessed in " . round($delta, 2) . " seconds " );
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if ($delta > 0)
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$this->error( round($this->count / $delta, 2) . " pages/sec" );
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# Perform the memory_get_peak_usage() when all the other data has been output so there's no damage if it dies.
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# It is only available since 5.2.0 (since 5.2.1 if you haven't compiled with --enable-memory-limit)
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$this->error( "Memory peak usage of " . memory_get_peak_usage() . " bytes\n" );
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}
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/**
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* Callback function for each revision, preprocessToObj()
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* @param $rev Revision
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*/
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public function handleRevision( $rev ) {
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$title = $rev->getTitle();
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if ( !$title ) {
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$this->error( "Got bogus revision with null title!" );
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return;
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}
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$this->count++;
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if ( isset( $this->from ) ) {
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if ( $this->from != $title )
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return;
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$this->output( "Skipped " . ($this->count - 1) . " pages\n" );
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$this->count = 1;
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$this->from = null;
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}
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try {
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$this->mPreprocessor->preprocessToObj( $rev->getText(), 0 );
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}
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catch(Exception $e) {
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$this->error("Caught exception " . $e->getMessage() . " in " . $title-> getPrefixedText() );
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}
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}
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}
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$maintClass = "PreprocessDump";
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require_once( DO_MAINTENANCE );
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