diff options
Diffstat (limited to 'maintenance/rebuildInterwiki.php')
-rw-r--r-- | maintenance/rebuildInterwiki.php | 278 |
1 files changed, 263 insertions, 15 deletions
diff --git a/maintenance/rebuildInterwiki.php b/maintenance/rebuildInterwiki.php index d3f3a4d2..3da920f8 100644 --- a/maintenance/rebuildInterwiki.php +++ b/maintenance/rebuildInterwiki.php @@ -9,21 +9,269 @@ * @ingroup Wikimedia */ -/** */ -$oldCwd = getcwd(); - -$optionsWithArgs = array( "d" ); -require_once( dirname(__FILE__) . '/commandLine.inc' ); -require( "rebuildInterwiki.inc" ); -chdir( $oldCwd ); - -# Output -if ( isset( $options['d'] ) ) { - $destDir = $options['d']; -} else { - $destDir = '/home/wikipedia/conf/interwiki/sql'; +/** + * @todo document + * @ingroup Maintenance + */ +class Site { + var $suffix, $lateral, $url; + + function __construct( $s, $l, $u ) { + $this->suffix = $s; + $this->lateral = $l; + $this->url = $u; + } + + function getURL( $lang ) { + $xlang = str_replace( '_', '-', $lang ); + return "http://$xlang.{$this->url}/wiki/\$1"; + } +} + +require_once( dirname( __FILE__ ) . '/Maintenance.php' ); + +class RebuildInterwiki extends Maintenance { + public function __construct() { + parent::__construct(); + $this->mDescription = "Rebuild the interwiki table using the file on meta and the language list."; + $this->addOption( 'langlist', 'File with one language code per line', false, true ); + $this->addOption( 'dblist', 'File with one db per line', false, true ); + $this->addOption( 'd', 'Output folder', false, true ); + } + + function execute() { + # List of language prefixes likely to be found in multi-language sites + $this->langlist = array_map( "trim", file( $this->getOption( 'langlist', "/home/wikipedia/common/langlist" ) ) ); + + # List of all database names + $this->dblist = array_map( "trim", file( $this->getOption( 'dblist', "/home/wikipedia/common/all.dblist" ) ) ); + + # Special-case databases + //$this->specials = array_flip( array_map( "trim", file( $this->getOption( 'specialdbs', "/home/wikipedia/common/special.dblist" ) ) ) ); + + $this->makeInterwikiSQL( $this->getOption( 'd', '/home/wikipedia/conf/interwiki/sql' ) ); + } + + function makeInterwikiSQL( $destDir ) { + $this->output( "Making new interwiki SQL files in $destDir\n" ); + + # Multi-language sites + # db suffix => db suffix, iw prefix, hostname + $sites = array( + 'wiki' => new Site( 'wiki', 'w', 'wikipedia.org' ), + 'wiktionary' => new Site( 'wiktionary', 'wikt', 'wiktionary.org' ), + 'wikiquote' => new Site( 'wikiquote', 'q', 'wikiquote.org' ), + 'wikibooks' => new Site( 'wikibooks', 'b', 'wikibooks.org' ), + 'wikinews' => new Site( 'wikinews', 'n', 'wikinews.org' ), + 'wikisource' => new Site( 'wikisource', 's', 'wikisource.org' ), + 'wikimedia' => new Site( 'wikimedia', 'chapter', 'wikimedia.org' ), + 'wikiversity' => new Site( 'wikiversity', 'v', 'wikiversity.org' ), + ); + + # Special-case hostnames + $this->specials = array( + 'sourceswiki' => 'sources.wikipedia.org', + 'quotewiki' => 'wikiquote.org', + 'textbookwiki' => 'wikibooks.org', + 'sep11wiki' => 'sep11.wikipedia.org', + 'metawiki' => 'meta.wikimedia.org', + 'commonswiki' => 'commons.wikimedia.org', + 'specieswiki' => 'species.wikimedia.org', + ); + + # Extra interwiki links that can't be in the intermap for some reason + $extraLinks = array( + array( 'm', 'http://meta.wikimedia.org/wiki/$1', 1 ), + array( 'meta', 'http://meta.wikimedia.org/wiki/$1', 1 ), + array( 'sep11', 'http://sep11.wikipedia.org/wiki/$1', 1 ), + ); + + # Language aliases, usually configured as redirects to the real wiki in apache + # Interlanguage links are made directly to the real wiki + # Something horrible happens if you forget to list an alias here, I can't + # remember what + $this->languageAliases = array( + 'zh-cn' => 'zh', + 'zh-tw' => 'zh', + 'dk' => 'da', + 'nb' => 'no', + ); + + # Special case prefix rewrites, for the benefit of Swedish which uses s:t + # as an abbreviation for saint + $this->prefixRewrites = array( + 'svwiki' => array( 's' => 'src' ), + ); + + # Construct a list of reserved prefixes + $reserved = array(); + foreach ( $this->langlist as $lang ) { + $reserved[$lang] = 1; + } + foreach ( $this->languageAliases as $alias => $lang ) { + $reserved[$alias] = 1; + } + foreach ( $sites as $site ) { + $reserved[$site->lateral] = 1; + } + + # Extract the intermap from meta + $intermap = Http::get( 'http://meta.wikimedia.org/w/index.php?title=Interwiki_map&action=raw', 30 ); + $lines = array_map( 'trim', explode( "\n", trim( $intermap ) ) ); + + if ( !$lines || count( $lines ) < 2 ) { + $this->error( "m:Interwiki_map not found", true ); + } + + $iwArray = array(); + + foreach ( $lines as $line ) { + $matches = array(); + if ( preg_match( '/^\|\s*(.*?)\s*\|\|\s*(https?:\/\/.*?)\s*$/', $line, $matches ) ) { + $prefix = strtolower( $matches[1] ); + $url = $matches[2]; + if ( preg_match( '/(wikipedia|wiktionary|wikisource|wikiquote|wikibooks|wikimedia)\.org/', $url ) ) { + $local = 1; + } else { + $local = 0; + } + + if ( empty( $reserved[$prefix] ) ) { + $iwArray[$prefix] = array( "iw_prefix" => $prefix, "iw_url" => $url, "iw_local" => $local ); + } + } + } + + foreach ( $this->dblist as $db ) { + $sql = "-- Generated by rebuildInterwiki.php"; + if ( isset( $this->specials[$db] ) ) { + # Special wiki + # Has interwiki links and interlanguage links to wikipedia + + $host = $this->specials[$db]; + $sql .= "\n--$host\n\n"; + $sql .= "USE $db;\n" . + "TRUNCATE TABLE interwiki;\n" . + "INSERT INTO interwiki (iw_prefix, iw_url, iw_local) VALUES \n"; + $first = true; + + # Intermap links + foreach ( $iwArray as $iwEntry ) { + $sql .= $this->makeLink( $iwEntry, $first, $db ); + } + + # Links to multilanguage sites + foreach ( $sites as $targetSite ) { + $sql .= $this->makeLink( array( $targetSite->lateral, $targetSite->getURL( 'en' ), 1 ), $first, $db ); + } + + # Interlanguage links to wikipedia + $sql .= $this->makeLanguageLinks( $sites['wiki'], $first, $db ); + + # Extra links + foreach ( $extraLinks as $link ) { + $sql .= $this->makeLink( $link, $first, $db ); + } + + $sql .= ";\n"; + } else { + # Find out which site this DB belongs to + $site = false; + foreach ( $sites as $candidateSite ) { + $suffix = $candidateSite->suffix; + if ( preg_match( "/(.*)$suffix$/", $db, $matches ) ) { + $site = $candidateSite; + break; + } + } + if ( !$site ) { + print "Invalid database $db\n"; + continue; + } + $lang = $matches[1]; + $host = "$lang." . $site->url; + $sql .= "\n--$host\n\n"; + + $sql .= "USE $db;\n" . + "TRUNCATE TABLE interwiki;\n" . + "INSERT INTO interwiki (iw_prefix,iw_url,iw_local) VALUES\n"; + $first = true; + + # Intermap links + foreach ( $iwArray as $iwEntry ) { + # Suppress links with the same name as the site + if ( ( $suffix == 'wiki' && $iwEntry['iw_prefix'] != 'wikipedia' ) || + ( $suffix != 'wiki' && $suffix != $iwEntry['iw_prefix'] ) ) + { + $sql .= $this->makeLink( $iwEntry, $first, $db ); + } + } + + # Lateral links + foreach ( $sites as $targetSite ) { + # Suppress link to self + if ( $targetSite->suffix != $site->suffix ) { + $sql .= $this->makeLink( array( $targetSite->lateral, $targetSite->getURL( $lang ), 1 ), $first, $db ); + } + } + + # Interlanguage links + $sql .= $this->makeLanguageLinks( $site, $first, $db ); + + # w link within wikipedias + # Other sites already have it as a lateral link + if ( $site->suffix == "wiki" ) { + $sql .= $this->makeLink( array( "w", "http://en.wikipedia.org/wiki/$1", 1 ), $first, $db ); + } + + # Extra links + foreach ( $extraLinks as $link ) { + $sql .= $this->makeLink( $link, $first, $db ); + } + $sql .= ";\n"; + } + file_put_contents( "$destDir/$db.sql", $sql ); + } + } + + # ------------------------------------------------------------------------------------------ + + # Returns part of an INSERT statement, corresponding to all interlanguage links to a particular site + function makeLanguageLinks( &$site, &$first, $source ) { + $sql = ""; + + # Actual languages with their own databases + foreach ( $this->langlist as $targetLang ) { + $sql .= $this->makeLink( array( $targetLang, $site->getURL( $targetLang ), 1 ), $first, $source ); + } + + # Language aliases + foreach ( $this->languageAliases as $alias => $lang ) { + $sql .= $this->makeLink( array( $alias, $site->getURL( $lang ), 1 ), $first, $source ); + } + return $sql; + } + + # Make SQL for a single link from an array + function makeLink( $entry, &$first, $source ) { + + if ( isset( $this->prefixRewrites[$source] ) && isset($entry[0]) && isset( $this->prefixRewrites[$source][$entry[0]] ) ) { + $entry[0] = $this->prefixRewrites[$source][$entry[0]]; + } + + $sql = ""; + # Add comma + if ( $first ) { + $first = false; + } else { + $sql .= ",\n"; + } + $dbr = wfGetDB( DB_SLAVE ); + $sql .= "(" . $dbr->makeList( $entry ) . ")"; + return $sql; + } } -echo "Making new interwiki SQL files in $destDir\n"; -makeInterwikiSQL( $destDir ); +$maintClass = "RebuildInterwiki"; +require_once( RUN_MAINTENANCE_IF_MAIN ); |