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authorPierre Schmitz <pierre@archlinux.de>2011-06-22 11:28:20 +0200
committerPierre Schmitz <pierre@archlinux.de>2011-06-22 11:28:20 +0200
commit9db190c7e736ec8d063187d4241b59feaf7dc2d1 (patch)
tree46d1a0dee7febef5c2d57a9f7b972be16a163b3d /maintenance/dumpInterwiki.php
parent78677c7bbdcc9739f6c10c75935898a20e1acd9e (diff)
update to MediaWiki 1.17.0
Diffstat (limited to 'maintenance/dumpInterwiki.php')
-rw-r--r--maintenance/dumpInterwiki.php238
1 files changed, 225 insertions, 13 deletions
diff --git a/maintenance/dumpInterwiki.php b/maintenance/dumpInterwiki.php
index 045e393b..4a4b6791 100644
--- a/maintenance/dumpInterwiki.php
+++ b/maintenance/dumpInterwiki.php
@@ -1,6 +1,6 @@
<?php
/**
- * Rebuild interwiki table using the file on meta and the language list
+ * Build constant slightly compact database of interwiki prefixes
* Wikimedia specific!
*
* @file
@@ -9,19 +9,231 @@
* @ingroup Wikimedia
*/
-/** */
-$oldCwd = getcwd();
+/**
+ * @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 DumpInterwiki extends Maintenance {
+
+ public function __construct() {
+ parent::__construct();
+ $this->mDescription = "Build constant slightly compact database of interwiki prefixes.";
+ $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( 'specialdbs', "File with one 'special' db per line", false, true );
+ $this->addOption( 'o', 'Cdb output file', 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" ) ) ) );
+
+ if ( $this->hasOption( 'o' ) ) {
+ $this->dbFile = CdbWriter::open( $this->getOption( 'o' ) ) ;
+ } else {
+ $this->dbFile = false;
+ }
+
+ $this->getRebuildInterwikiDump();
+ }
+
+ function getRebuildInterwikiDump() {
+ global $wgContLang;
+
+ # 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' ),
+ );
+
+ # 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 );
+ }
+
+ # Global iterwiki map
+ foreach ( $lines as $line ) {
+ if ( preg_match( '/^\|\s*(.*?)\s*\|\|\s*(.*?)\s*$/', $line, $matches ) ) {
+ $prefix = $wgContLang->lc( $matches[1] );
+ $prefix = str_replace( ' ', '_', $prefix );
+
+ $url = $matches[2];
+ if ( preg_match( '/(wikipedia|wiktionary|wikisource|wikiquote|wikibooks|wikimedia)\.org/', $url ) ) {
+ $local = 1;
+ } else {
+ $local = 0;
+ }
+
+ if ( empty( $reserved[$prefix] ) ) {
+ $imap = array( "iw_prefix" => $prefix, "iw_url" => $url, "iw_local" => $local );
+ $this->makeLink ( $imap, "__global" );
+ }
+ }
+ }
+
+ # Exclude Wikipedia for Wikipedia
+ $this->makeLink ( array ( 'iw_prefix' => 'wikipedia', 'is_url' => null ), "_wiki" );
+
+ # Multilanguage sites
+ foreach ( $sites as $site ) {
+ $this->makeLanguageLinks ( $site, "_" . $site->suffix );
+ }
+
+ foreach ( $this->dblist as $db ) {
+ if ( isset( $this->specials[$db] ) ) {
+ # Special wiki
+ # Has interwiki links and interlanguage links to wikipedia
+
+ $this->makeLink( array( 'iw_prefix' => $db, 'iw_url' => "wiki" ), "__sites" );
+ # Links to multilanguage sites
+ foreach ( $sites as $targetSite ) {
+ $this->makeLink( array( 'iw_prefix' => $targetSite->lateral,
+ 'iw_url' => $targetSite->getURL( 'en' ),
+ 'iw_local' => 1 ), $db );
+ }
+ } 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;
+ }
+ }
+ $this->makeLink( array( 'iw_prefix' => $db, 'iw_url' => $site->suffix ), "__sites" );
+ if ( !$site ) {
+ $this->error( "Invalid database $db\n" );
+ continue;
+ }
+ $lang = $matches[1];
+
+ # Lateral links
+ foreach ( $sites as $targetSite ) {
+ if ( $targetSite->suffix != $site->suffix ) {
+ $this->makeLink( array( 'iw_prefix' => $targetSite->lateral,
+ 'iw_url' => $targetSite->getURL( $lang ),
+ 'iw_local' => 1 ), $db );
+ }
+ }
+
+ if ( $site->suffix == "wiki" ) {
+ $this->makeLink( array( 'iw_prefix' => 'w',
+ 'iw_url' => "http://en.wikipedia.org/wiki/$1",
+ 'iw_local' => 1 ), $db );
+ }
+
+ }
+ }
+ foreach ( $extraLinks as $link ) {
+ $this->makeLink( $link, "__global" );
+ }
+ }
+
+ # ------------------------------------------------------------------------------------------
+
+ # Executes part of an INSERT statement, corresponding to all interlanguage links to a particular site
+ function makeLanguageLinks( &$site, $source ) {
+ # Actual languages with their own databases
+ foreach ( $this->langlist as $targetLang ) {
+ $this->makeLink( array( $targetLang, $site->getURL( $targetLang ), 1 ), $source );
+ }
+
+ # Language aliases
+ foreach ( $this->languageAliases as $alias => $lang ) {
+ $this->makeLink( array( $alias, $site->getURL( $lang ), 1 ), $source );
+ }
+ }
+
+ function makeLink( $entry, $source ) {
+ if ( isset( $this->prefixRewrites[$source] ) && isset( $this->prefixRewrites[$source][$entry[0]] ) )
+ $entry[0] = $this->prefixRewrites[$source][$entry[0]];
-$optionsWithArgs = array( "o" );
-require_once( dirname(__FILE__) . '/commandLine.inc' );
-require( dirname(__FILE__)."/dumpInterwiki.inc" );
-chdir( $oldCwd );
+ if ( !array_key_exists( "iw_prefix", $entry ) ) {
+ $entry = array( "iw_prefix" => $entry[0], "iw_url" => $entry[1], "iw_local" => $entry[2] );
+ }
+ if ( array_key_exists( $source, $this->prefixRewrites ) &&
+ array_key_exists( $entry['iw_prefix'], $this->prefixRewrites[$source] ) ) {
+ $entry['iw_prefix'] = $this->prefixRewrites[$source][$entry['iw_prefix']];
+ }
-# Output
-if ( isset( $options['o'] ) ) {
- # To database specified with -o
- $dbFile = CdbWriter::open( $options['o'] );
-}
+ if ( $this->dbFile ) {
+ $this->dbFile->set( "{$source}:{$entry['iw_prefix']}", trim( "{$entry['iw_local']} {$entry['iw_url']}" ) );
+ } else {
+ $this->output( "{$source}:{$entry['iw_prefix']} {$entry['iw_url']} {$entry['iw_local']}\n" );
+ }
+ }
+}
-getRebuildInterwikiDump();
+$maintClass = "DumpInterwiki";
+require_once( RUN_MAINTENANCE_IF_MAIN );