Revert "merged master"
[lhc/web/wiklou.git] / maintenance / importDump.php
index 00b9cce..b6e0fe0 100644 (file)
@@ -1,6 +1,8 @@
 <?php
 /**
- * Copyright (C) 2005 Brion Vibber <brion@pobox.com>
+ * Import XML dump files into the current wiki.
+ *
+ * Copyright © 2005 Brion Vibber <brion@pobox.com>
  * http://www.mediawiki.org/
  *
  * This program is free software; you can redistribute it and/or modify
  * @ingroup Maintenance
  */
 
-$optionsWithArgs = array( 'report' );
-
-require_once( dirname( __FILE__ ) . '/commandLine.inc' );
+require_once( dirname( __FILE__ ) . '/Maintenance.php' );
 
 /**
+ * Maintenance script that imports XML dump files into the current wiki.
+ *
  * @ingroup Maintenance
  */
-class BackupReader {
+class BackupReader extends Maintenance {
        var $reportingInterval = 100;
-       var $reporting = true;
        var $pageCount = 0;
        var $revCount  = 0;
        var $dryRun    = false;
-       var $debug     = false;
        var $uploads   = false;
+       var $imageBasePath = false;
+       var $nsFilter  = false;
 
        function __construct() {
+               parent::__construct();
+               $gz = in_array('compress.zlib', stream_get_wrappers()) ? 'ok' : '(disabled; requires PHP zlib module)';
+               $bz2 = in_array('compress.bzip2', stream_get_wrappers()) ? 'ok' : '(disabled; requires PHP bzip2 module)';
+
+               $this->mDescription = <<<TEXT
+This script reads pages from an XML file as produced from Special:Export or
+dumpBackup.php, and saves them into the current wiki.
+
+Compressed XML files may be read directly:
+  .gz $gz
+  .bz2 $bz2
+  .7z (if 7za executable is in PATH)
+
+Note that for very large data sets, importDump.php may be slow; there are
+alternate methods which can be much faster for full site restoration:
+<http://www.mediawiki.org/wiki/Manual:Importing_XML_dumps>
+TEXT;
                $this->stderr = fopen( "php://stderr", "wt" );
+               $this->addOption( 'report',
+                       'Report position and speed after every n pages processed', false, true );
+               $this->addOption( 'namespaces',
+                       'Import only the pages from namespaces belonging to the list of ' .
+                       'pipe-separated namespace names or namespace indexes', false, true );
+               $this->addOption( 'dry-run', 'Parse dump without actually importing pages' );
+               $this->addOption( 'debug', 'Output extra verbose debug information' );
+               $this->addOption( 'uploads', 'Process file upload data if included (experimental)' );
+               $this->addOption( 'no-updates', 'Disable link table updates. Is faster but leaves the wiki in an inconsistent state' );
+               $this->addOption( 'image-base-path', 'Import files from a specified path', false, true );
+               $this->addArg( 'file', 'Dump file to import [else use stdin]', false );
+       }
+
+       public function execute() {
+               if( wfReadOnly() ) {
+                       $this->error( "Wiki is in read-only mode; you'll need to disable it for import to work.", true );
+               }
+
+               $this->reportingInterval = intval( $this->getOption( 'report', 100 ) );
+               if ( !$this->reportingInterval ) {
+                       $this->reportingInterval = 100; // avoid division by zero
+               }
+
+               $this->dryRun = $this->hasOption( 'dry-run' );
+               $this->uploads = $this->hasOption( 'uploads' ); // experimental!
+               if ( $this->hasOption( 'image-base-path' ) ) {
+                       $this->imageBasePath = $this->getOption( 'image-base-path' );
+               }
+               if ( $this->hasOption( 'namespaces' ) ) {
+                       $this->setNsfilter( explode( '|', $this->getOption( 'namespaces' ) ) );
+               }
+
+               if( $this->hasArg() ) {
+                       $this->importFromFile( $this->getArg() );
+               } else {
+                       $this->importFromStdin();
+               }
+
+               $this->output( "Done!\n" );
+               $this->output( "You might want to run rebuildrecentchanges.php to regenerate RecentChanges\n" );
+       }
+
+       function setNsfilter( array $namespaces ) {
+               if ( count( $namespaces ) == 0 ) {
+                       $this->nsFilter = false;
+                       return;
+               }
+               $this->nsFilter = array_unique( array_map( array( $this, 'getNsIndex' ), $namespaces ) );
+       }
+
+       private function getNsIndex( $namespace ) {
+               global $wgContLang;
+               if ( ( $result = $wgContLang->getNsIndex( $namespace ) ) !== false ) {
+                       return $result;
+               }
+               $ns = intval( $namespace );
+               if ( strval( $ns ) === $namespace && $wgContLang->getNsText( $ns ) !== false ) {
+                       return $ns;
+               }
+               $this->error( "Unknown namespace text / index specified: $namespace", true );
+       }
+
+       /**
+        * @param $obj Title|Revision
+        * @return bool
+        */
+       private function skippedNamespace( $obj ) {
+               if ( $obj instanceof Title ) {
+                       $ns = $obj->getNamespace();
+               } elseif ( $obj instanceof Revision ) {
+                       $ns = $obj->getTitle()->getNamespace();
+               } elseif ( $obj instanceof WikiRevision ) {
+                       $ns = $obj->title->getNamespace();
+               } else {
+                       echo wfBacktrace();
+                       $this->error( "Cannot get namespace of object in " . __METHOD__, true );
+               }
+               return is_array( $this->nsFilter ) && !in_array( $ns, $this->nsFilter );
        }
 
        function reportPage( $page ) {
                $this->pageCount++;
        }
 
+       /**
+        * @param $rev Revision
+        * @return mixed
+        */
        function handleRevision( $rev ) {
                $title = $rev->getTitle();
                if ( !$title ) {
@@ -53,6 +154,10 @@ class BackupReader {
                        return;
                }
 
+               if ( $this->skippedNamespace( $title ) ) {
+                       return;
+               }
+
                $this->revCount++;
                $this->report();
 
@@ -60,13 +165,20 @@ class BackupReader {
                        call_user_func( $this->importCallback, $rev );
                }
        }
-       
+
+       /**
+        * @param $revision Revision
+        * @return bool
+        */
        function handleUpload( $revision ) {
                if ( $this->uploads ) {
+                       if ( $this->skippedNamespace( $revision ) ) {
+                               return;
+                       }
                        $this->uploadCount++;
                        // $this->report();
                        $this->progress( "upload: " . $revision->getFilename() );
-                       
+
                        if ( !$this->dryRun ) {
                                // bluuuh hack
                                // call_user_func( $this->uploadCallback, $revision );
@@ -77,6 +189,9 @@ class BackupReader {
        }
 
        function handleLogItem( $rev ) {
+               if ( $this->skippedNamespace( $rev ) ) {
+                       return;
+               }
                $this->revCount++;
                $this->report();
 
@@ -92,7 +207,7 @@ class BackupReader {
        }
 
        function showReport() {
-               if ( $this->reporting ) {
+               if ( !$this->mQuiet ) {
                        $delta = wfTime() - $this->startTime;
                        if ( $delta ) {
                                $rate = sprintf( "%.2f", $this->pageCount / $delta );
@@ -102,12 +217,15 @@ class BackupReader {
                                $revrate = '-';
                        }
                        # Logs dumps don't have page tallies
-                       if ( $this->pageCount )
+                       if ( $this->pageCount ) {
                                $this->progress( "$this->pageCount ($rate pages/sec $revrate revs/sec)" );
-                       else
+                       } else {
                                $this->progress( "$this->revCount ($revrate revs/sec)" );
+                       }
                }
-               wfWaitForSlaves( 5 );
+               wfWaitForSlaves();
+               // XXX: Don't let deferred jobs array get absurdly large (bug 24375)
+               DeferredUpdates::doUpdates( 'commit' );
        }
 
        function progress( $string ) {
@@ -117,11 +235,9 @@ class BackupReader {
        function importFromFile( $filename ) {
                if ( preg_match( '/\.gz$/', $filename ) ) {
                        $filename = 'compress.zlib://' . $filename;
-               }
-               elseif ( preg_match( '/\.bz2$/', $filename ) ) {
+               } elseif ( preg_match( '/\.bz2$/', $filename ) ) {
                        $filename = 'compress.bzip2://' . $filename;
-               }
-               elseif ( preg_match( '/\.7z$/', $filename ) ) {
+               } elseif ( preg_match( '/\.7z$/', $filename ) ) {
                        $filename = 'mediawiki.compress.7z://' . $filename;
                }
 
@@ -131,6 +247,9 @@ class BackupReader {
 
        function importFromStdin() {
                $file = fopen( 'php://stdin', 'rt' );
+               if( self::posix_isatty( $file ) ) {
+                       $this->maybeHelp( true );
+               }
                return $this->importFromHandle( $file );
        }
 
@@ -140,7 +259,12 @@ class BackupReader {
                $source = new ImportStreamSource( $handle );
                $importer = new WikiImporter( $source );
 
-               $importer->setDebug( $this->debug );
+               if( $this->hasOption( 'debug' ) ) {
+                       $importer->setDebug( true );
+               }
+               if ( $this->hasOption( 'no-updates' ) ) {
+                       $importer->setNoUpdates( true );
+               }
                $importer->setPageCallback( array( &$this, 'reportPage' ) );
                $this->importCallback =  $importer->setRevisionCallback(
                        array( &$this, 'handleRevision' ) );
@@ -148,7 +272,13 @@ class BackupReader {
                        array( &$this, 'handleUpload' ) );
                $this->logItemCallback = $importer->setLogItemCallback(
                        array( &$this, 'handleLogItem' ) );
-                       
+               if ( $this->uploads ) {
+                       $importer->setImportUploads( true );
+               }
+               if ( $this->imageBasePath ) {
+                       $importer->setImageBasePath( $this->imageBasePath );
+               }
+
                if ( $this->dryRun ) {
                        $importer->setPageOutCallback( null );
                }
@@ -157,39 +287,5 @@ class BackupReader {
        }
 }
 
-if ( wfReadOnly() ) {
-       wfDie( "Wiki is in read-only mode; you'll need to disable it for import to work.\n" );
-}
-
-$reader = new BackupReader();
-if ( isset( $options['quiet'] ) ) {
-       $reader->reporting = false;
-}
-if ( isset( $options['report'] ) ) {
-       $reader->reportingInterval = intval( $options['report'] );
-}
-if ( isset( $options['dry-run'] ) ) {
-       $reader->dryRun = true;
-}
-if ( isset( $options['debug'] ) ) {
-       $reader->debug = true;
-}
-if ( isset( $options['uploads'] ) ) {
-       $reader->uploads = true; // experimental!
-}
-
-if ( isset( $args[0] ) ) {
-       $result = $reader->importFromFile( $args[0] );
-} else {
-       $result = $reader->importFromStdin();
-}
-
-if ( WikiError::isError( $result ) ) {
-       echo $result->getMessage() . "\n";
-} else {
-       echo "Done!\n";
-       echo "You might want to run rebuildrecentchanges.php to regenerate\n";
-       echo "the recentchanges page.\n";
-}
-
-
+$maintClass = 'BackupReader';
+require_once( RUN_MAINTENANCE_IF_MAIN );