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<?php /** * At present, this script is just used for testing the library and uses a * public MediaWiki API, which means it's expected to be slow. / require_once __DIR__ . '/../tools/Maintenance.php'; use Composer\Factory; use Composer\IO\NullIO; use MediaWiki\MediaWikiServices; use Wikimedia\Parsoid\Config\Api\ApiHelper; use Wikimedia\Parsoid\Config\Api\DataAccess; use Wikimedia\Parsoid\Config\Api\PageConfig; use Wikimedia\Parsoid\Config\Api\SiteConfig; use Wikimedia\Parsoid\Config\StubMetadataCollector; use Wikimedia\Parsoid\Core\ClientError; use Wikimedia\Parsoid\Core\ContentMetadataCollector; use Wikimedia\Parsoid\Core\PageBundle; use Wikimedia\Parsoid\Core\SelserData; use Wikimedia\Parsoid\Mocks\MockDataAccess; use Wikimedia\Parsoid\Mocks\MockPageConfig; use Wikimedia\Parsoid\Mocks\MockPageContent; use Wikimedia\Parsoid\Mocks\MockSiteConfig; use Wikimedia\Parsoid\ParserTests\TestUtils; use Wikimedia\Parsoid\Parsoid; use Wikimedia\Parsoid\Tools\ExtendedOptsProcessor; use Wikimedia\Parsoid\Tools\ScriptUtils; use Wikimedia\Parsoid\Utils\ContentUtils; use Wikimedia\Parsoid\Utils\DOMDataUtils; use Wikimedia\Parsoid\Utils\DOMUtils; use Wikimedia\Parsoid\Utils\PHPUtils; // phpcs:ignore MediaWiki.Files.ClassMatchesFilename.WrongCase class Parse extends \Wikimedia\Parsoid\Tools\Maintenance { use ExtendedOptsProcessor; /* @var PageConfig / private $pageConfig; /* @var ContentMetadataCollector / private $metadata; /* @var Parsoid / private $parsoid; public function __construct() { parent::__construct(); parent::addDefaultParams(); $this->addDescription( "Omnibus script to convert between wikitext and HTML, and roundtrip wikitext or HTML. " . "Supports a number of options pertaining to pointing at a specific wiki " . "or enabling various features during these transformations.\n\n" . "If no options are provided, --wt2html is enabled by default.\n" . "See --help for detailed usage help." ); $this->addOption( 'wt2html', 'Wikitext -> HTML' ); $this->addOption( 'html2wt', 'HTML -> Wikitext' ); $this->addOption( 'wt2wt', 'Wikitext -> Wikitext' ); $this->addOption( 'html2html', 'HTML -> HTML' ); $this->addOption( 'body_only', 'Just return <body> innerHTML (defaults to true)', false, true ); $this->setOptionDefault( 'body_only', true ); $this->addOption( 'profile', 'Proxy for --trace time' ); $this->addOption( 'benchmark', 'Suppress output and show timing summary' ); $this->addOption( 'count', 'Repeat the operation this many times', false, true ); $this->addOption( 'warmup', 'Run the operation once before benchmarking' ); $this->addOption( 'delay', 'Wait for the specified number of milliseconds after warmup. For use with perf -D.', false, true ); $this->addOption( 'selser', 'Use the selective serializer to go from HTML to Wikitext.' ); $this->addOption( 'oldtext', 'The old page text for a selective-serialization (see --selser)', false, true ); $this->addOption( 'oldtextfile', 'File containing the old page text for a selective-serialization (see --selser)', false, true ); $this->addOption( 'oldhtmlfile', 'File containing the old HTML for a selective-serialization (see --selser)', false, true ); $this->addOption( 'inputfile', 'File containing input as an alternative to stdin', false, true ); $this->addOption( 'logFile', 'File to log trace/dumps to', false, true ); $this->addOption( 'pbin', 'Input pagebundle JSON', false, true ); $this->addOption( 'pbinfile', 'Input pagebundle JSON file', false, true ); $this->addOption( 'pboutfile', 'Output pagebundle JSON to file', false, true ); $this->addOption( 'pageName', 'The page name, returned for {{PAGENAME}}. If no input is given ' . '(ie. empty/stdin closed), it downloads and parses the page. ' . 'This should be the actual title of the article (that is, not ' . 'including any URL-encoding that might be necessary in wikitext).', false, true ); $this->addOption( 'restURL', 'Parses a RESTBase API URL (as supplied in our logs) and ' . 'sets --domain and --pageName. Debugging aid.', false, true ); $this->addOption( 'pageBundle', 'Output pagebundle JSON' ); $this->addOption( 'wrapSections', // Override the default in Env since the wrappers are annoying in dev-mode 'Output <section> tags (default false)' ); $this->addOption( 'linting', 'Parse with linter enabled.' ); $this->addOption( 'addHTMLTemplateParameters', 'Parse template parameters to HTML and add them to template data' ); $this->addOption( 'domain', 'Which wiki to use; e.g. "en.wikipedia.org" for English wikipedia, ' . '"es.wikipedia.org" for Spanish, "mediawiki.org" for mediawiki.org', false, true ); $this->addOption( 'apiURL', 'http path to remote API, e.g. http://en.wikipedia.org/w/api.php', false, true ); $this->addOption( 'offsetType', 'Represent DSR as byte/ucs2/char offsets', false, true ); $this->addOption( 'wtVariantLanguage', 'Language variant to use for wikitext', false, true ); $this->addOption( 'htmlVariantLanguage', 'Language variant to use for HTML', false, true ); $this->addOption( 'flamegraph', "Produce a flamegraph of CPU usage. " . "Assumes existence of Excimer ( https://www.mediawiki.org/wiki/Excimer ). " . "Looks for /usr/local/bin/flamegraph.pl (Set FLAMEGRAPH_PATH env var " . "to use different path). Outputs to /tmp (Set FLAMEGRAPH_OUTDIR " . "env var to output elsewhere)." ); $this->addOption( 'trace', 'Use --trace=help for supported options', false, true ); $this->addOption( 'dump', 'Dump state. Use --dump=help for supported options', false, true ); $this->addOption( 'debug', 'Provide optional flags. Use --debug=help for supported options', false, true ); $this->addOption( 'mock', 'Use mock environment instead of api or standalone' ); $this->addOption( 'oldid', 'Oldid of the given page.', false, true ); $this->addOption( 'normalize', "Normalize the output as parserTests would do. " . "Use --normalize for PHP tests, and --normalize=parsoid for " . "parsoid-only tests", false, false ); $this->addOption( 'outputContentVersion', 'The acceptable content version.', false, true ); $this->addOption( 'verbose', 'Log at level "info" as well' ); $this->addOption( 'maxdepth', 'Maximum expansion depth.', false, true ); $this->addOption( 'version', 'Show version number.' ); $this->addOption( 'contentmodel', "The content model of the input. Defaults to \"wikitext\" but " . "extensions may support others (for example, \"json\").", false, true ); $this->setAllowUnregisteredOptions( false ); } /* * @param array $configOpts / private function setupMwConfig( array $configOpts ) { $services = MediaWikiServices::getInstance(); $siteConfig = $services->getParsoidSiteConfig(); // Overwriting logger so that it logs to console/file $logFilePath = null; if ( $this->hasOption( 'logFile' ) ) { $logFilePath = $this->getOption( 'logFile' ); } $siteConfig->setLogger( SiteConfig::createLogger( $logFilePath ) ); if ( isset( $configOpts['maxDepth'] ) ) { $siteConfig->setMaxTemplateDepth( $configOpts['maxDepth'] ); } $dataAccess = $services->getParsoidDataAccess(); $pcFactory = $services->getParsoidPageConfigFactory(); // XXX we're ignoring 'pageLanguage' & 'pageLanguageDir' in $configOpts $title = \Title::newFromText( $configOpts['title'] ?? $siteConfig->mainpage() ); $this->pageConfig = $pcFactory->create( $title, null, // UserIdentity $configOpts['revid'] ?? null, $configOpts['pageContent'] ?? null ); $this->metadata = new \ParserOutput(); $this->parsoid = new Parsoid( $siteConfig, $dataAccess ); } /* * @param array $configOpts / private function setupApiConfig( array $configOpts ) { $api = new ApiHelper( $configOpts ); $siteConfig = new SiteConfig( $api, $configOpts ); if ( $this->hasOption( 'logFile' ) ) { // Overwrite logger so that it logs to file $siteConfig->setLogger( SiteConfig::createLogger( $this->getOption( 'logFile' ) ) ); } $dataAccess = new DataAccess( $api, $siteConfig, $configOpts ); $this->pageConfig = new PageConfig( $api, $configOpts + [ 'title' => $siteConfig->mainpage(), 'loadData' => true, ] ); $this->metadata = new StubMetadataCollector(); $this->parsoid = new Parsoid( $siteConfig, $dataAccess ); } /* * @param array $configOpts / private function setupMockConfig( array $configOpts ) { $siteConfig = new MockSiteConfig( $configOpts ); $dataAccess = new MockDataAccess( $configOpts ); $pageContent = new MockPageContent( [ 'main' => $configOpts['pageContent'] ?? '' ] ); $this->pageConfig = new MockPageConfig( $configOpts, $pageContent ); $this->metadata = new StubMetadataCollector(); $this->parsoid = new Parsoid( $siteConfig, $dataAccess ); } /* * Initialize $this->parsoid and $this->pageConfig * * @param array $configOpts / private function setupConfig( array $configOpts ) { if ( $configOpts['mock'] ) { $this->setupMockConfig( $configOpts ); } elseif ( $configOpts['standalone'] ?? true ) { $this->setupApiConfig( $configOpts ); } else { $this->setupMwConfig( $configOpts ); } } /* * @param array $configOpts * @param array $parsoidOpts * @param ?string $wt * @return string\|PageBundle / public function wt2Html( array $configOpts, array $parsoidOpts, ?string $wt ) { if ( $wt !== null ) { $configOpts["pageContent"] = $wt; } $this->setupConfig( $configOpts ); try { return $this->parsoid->wikitext2html( $this->pageConfig, $parsoidOpts, $headers, $this->metadata ); } catch ( ClientError $e ) { $this->error( $e->getMessage() ); die( 1 ); } } /* * @param array $configOpts * @param array $parsoidOpts * @param string $html * @param ?SelserData $selserData * @return string / public function html2Wt( array $configOpts, array $parsoidOpts, string $html, ?SelserData $selserData = null ): string { $configOpts["pageContent"] = ''; // FIXME: T234549 $this->setupConfig( $configOpts ); try { return $this->parsoid->html2wikitext( $this->pageConfig, $html, $parsoidOpts, $selserData ); } catch ( ClientError $e ) { $this->error( $e->getMessage() ); die( 1 ); } } /* * @param string $html * @return string / private function maybeNormalize( string $html ): string { if ( $this->hasOption( 'normalize' ) ) { $html = TestUtils::normalizeOut( $html, [ 'parsoidOnly' => $this->getOption( 'normalize' ) === 'parsoid', ] ); } return $html; } private function maybeVersion() { if ( $this->hasOption( 'version' ) ) { # XXX: This doesn't work on production machines or in integrated # mode, since Composer\Factory isn't in the production `vendor` # deploy. $composer = Factory::create( new NullIO(), './composer.json', false ); $root = $composer->getPackage(); $this->output( $root->getFullPrettyVersion() . "\n" ); die( 0 ); } } public function execute() { $this->maybeHelp(); $this->maybeVersion(); $parsoidOpts = []; ScriptUtils::setDebuggingFlags( $parsoidOpts, $this->getOptions() ); if ( $this->hasOption( 'flamegraph' ) ) { $this->startFlameGraphProfiler(); } if ( $this->hasOption( 'inputfile' ) ) { $input = file_get_contents( $this->getOption( 'inputfile' ) ); if ( $input === false ) { return; } } else { if ( $this->hasOption( 'restURL' ) ) { $input = ''; } else { $input = file_get_contents( 'php://stdin' ); } if ( strlen( $input ) === 0 ) { // Parse page if no input if ( $this->hasOption( 'html2wt' ) \|\| $this->hasOption( 'html2html' ) ) { $this->error( 'Fetching page content is only supported when starting at wikitext.' ); return; } else { $input = null; } } } if ( $this->hasOption( 'restURL' ) ) { if ( !preg_match( '#^(?:https?://)?([a-z.]+)/api/rest_v1/page/html/([^/?]+)#', $this->getOption( 'restURL' ), $matches ) && !preg_match( '#^(?:https?://[a-z.]+)?/w/rest\.php/([a-z.]+)/v3/transform/pagebundle/to/pagebundle/([^/?]+)#', $this->getOption( 'restURL' ), $matches ) && !preg_match( '#^(?:https?://[a-z.]+)?/w/rest.php/([a-z.]+)/v3/page/pagebundle/([^/?]+)(?:/([^/?]+))?#', $this->getOption( 'restURL' ), $matches ) && !preg_match( '#^(?:https?://[a-z.]+)?/w/rest\.php/([a-z.]+)/v3/transform/wikitext/to/pagebundle/([^/?]+)#', $this->getOption( 'restURL' ), $matches ) ) { # XXX we could extend this to process other URLs, but the # above are the most common seen in error logs $this->error( 'Bad rest url.' ); return; } # Calling it with the default implicitly sets it as well. $this->getOption( 'domain', $matches[1] ); $this->getOption( 'pageName', urldecode( $matches[2] ) ); if ( isset( $matches[3] ) ) { $this->getOption( 'oldid', $matches[3] ); } } $apiURL = "https://en.wikipedia.org/w/api.php"; if ( $this->hasOption( 'domain' ) ) { $apiURL = "https://" . $this->getOption( 'domain' ) . "/w/api.php"; } if ( $this->hasOption( 'apiURL' ) ) { $apiURL = $this->getOption( 'apiURL' ); } $configOpts = [ "standalone" => !$this->hasOption( 'integrated' ), "apiEndpoint" => $apiURL, "addHTMLTemplateParameters" => $this->hasOption( 'addHTMLTemplateParameters' ), "linting" => $this->hasOption( 'linting' ), "mock" => $this->hasOption( 'mock' ) ]; if ( $this->hasOption( 'pageName' ) ) { $configOpts['title'] = $this->getOption( 'pageName' ); } if ( $this->hasOption( 'oldid' ) ) { $configOpts['revid'] = (int)$this->getOption( 'oldid' ); } if ( $this->hasOption( 'maxdepth' ) ) { $configOpts['maxDepth'] = (int)$this->getOption( 'maxdepth' ); } $parsoidOpts += [ "body_only" => ScriptUtils::booleanOption( $this->getOption( 'body_only' ) ), "wrapSections" => $this->hasOption( 'wrapSections' ), // This ensures we can run --linting and get lint output. "logLinterData" => true, "pageBundle" => $this->hasOption( 'pageBundle' ) \|\| $this->hasOption( 'pboutfile' ), ]; foreach ( [ 'offsetType', 'outputContentVersion', 'wtVariantLanguage', 'htmlVariantLanguage', 'contentmodel' ] as $opt ) { if ( $this->hasOption( $opt ) ) { $parsoidOpts[$opt] = $this->getOption( $opt ); } } if ( !$this->hasOption( 'verbose' ) ) { $parsoidOpts['logLevels'] = [ 'fatal', 'error', 'warn' ]; } if ( $this->hasOption( 'profile' ) ) { if ( !isset( $parsoidOpts['traceFlags'] ) ) { $parsoidOpts['traceFlags'] = []; } $parsoidOpts['traceFlags']['time'] = true; } $startsAtHtml = $this->hasOption( 'html2wt' ) \|\| $this->hasOption( 'html2html' ) \|\| $this->hasOption( 'selser' ); if ( $startsAtHtml ) { $this->transformFromHtml( $configOpts, $parsoidOpts, $input ); } else { $this->transformFromWt( $configOpts, $parsoidOpts, $input ); } } /* * Produce a CPU flamegraph via excimer's profiling / private function startFlameGraphProfiler() { $profiler = new ExcimerProfiler; $profiler->setPeriod( 0.01 ); $profiler->setEventType( EXCIMER_CPU ); $profiler->start(); register_shutdown_function( static function () use ( $profiler ) { $profiler->stop(); $fgPath = getenv( 'FLAMEGRAPH_PATH' ); if ( empty( $fgPath ) ) { $fgPath = "/usr/local/bin/flamegraph.pl"; } $fgOutDir = getenv( 'FLAMEGRAPH_OUTDIR' ); if ( empty( $fgOutDir ) ) { $fgOutDir = "/tmp"; } // phpcs:disable MediaWiki.Usage.ForbiddenFunctions.popen $pipe = popen( "$fgPath > $fgOutDir/profile.svg", "w" ); fwrite( $pipe, $profiler->getLog()->formatCollapsed() ); $report = sprintf( "%-79s %14s %14s\n", 'Function', 'Self', 'Inclusive' ); foreach ( $profiler->getLog()->aggregateByFunction() as $id => $info ) { $report .= sprintf( "%-79s %14d %14d\n", $id, $info['self'], $info['inclusive'] ); } file_put_contents( "$fgOutDir/aggregated.txt", $report ); } ); } /* * Optionally benchmark a callback. If benchmarking is disabled, just call * it and output the return value. * * @param callable $callback / private function benchmark( $callback ) { if ( $this->hasOption( 'warmup' ) ) { $callback(); } if ( $this->hasOption( 'benchmark' ) ) { $count = $this->getOption( 'count', 1 ); if ( $this->hasOption( 'delay' ) ) { usleep( $this->getOption( 'delay' ) 1000 ); } $startTime = microtime( true ); for ( $i = 0; $i < $count; $i++ ) { $callback(); } $total = ( microtime( true ) - $startTime ) * 1000; $this->output( "Total time: $total ms\n" ); if ( $count > 1 ) { $mean = $total / $count; $this->output( "Mean: $mean ms\n" ); } $this->output( sprintf( "Peak memory usage: %.2f MiB\n", memory_get_peak_usage() / 1048576 ) ); } else { $this->output( $callback() ); if ( self::posix_isatty( STDOUT ) ) { $this->output( "\n" ); } } } /** * Do html2wt or html2html and output the result * * @param array $configOpts * @param array $parsoidOpts * @param string $input / private function transformFromHtml( $configOpts, $parsoidOpts, $input ) { $input = $this->getPageBundleXML( $input ) ?? $input; if ( $this->hasOption( 'selser' ) ) { if ( $this->hasOption( 'oldtext' ) ) { $oldText = $this->getOption( 'oldtext' ); } elseif ( $this->hasOption( 'oldtextfile' ) ) { $oldText = file_get_contents( $this->getOption( 'oldtextfile' ) ); if ( $oldText === false ) { return; } } else { $this->error( 'Please provide original wikitext ' . '(--oldtext or --oldtextfile). Selser requires that.' ); $this->maybeHelp(); return; } $oldHTML = null; if ( $this->hasOption( 'oldhtmlfile' ) ) { $oldHTML = file_get_contents( $this->getOption( 'oldhtmlfile' ) ); if ( $oldHTML === false ) { return; } if ( isset( $pb ) ) { $oldDoc = DOMUtils::parseHTML( $oldHTML ); PageBundle::apply( $oldDoc, $pb ); $oldHTML = ContentUtils::toXML( $oldDoc ); } } $selserData = new SelserData( $oldText, $oldHTML ); } else { $selserData = null; } if ( $this->hasOption( 'html2html' ) ) { $this->benchmark( function () use ( $configOpts, $parsoidOpts, $input, $selserData ) { $wt = $this->html2Wt( $configOpts, $parsoidOpts, $input, $selserData ); $html = $this->wt2Html( $configOpts, $parsoidOpts, $wt ); return $this->maybeNormalize( $html ); } ); } else { $this->benchmark( function () use ( $configOpts, $parsoidOpts, $input, $selserData ) { return $this->html2Wt( $configOpts, $parsoidOpts, $input, $selserData ); } ); } } /* * Get the page bundle XML, or null if pbin/pbinfile was not specified * * @param string $input * @return string\|null * @throws ClientError / private function getPageBundleXML( $input ) { if ( !$this->hasOption( 'pbin' ) && !$this->hasOption( 'pbinfile' ) ) { return null; } $doc = DOMUtils::parseHTML( $input ); if ( $this->hasOption( 'pbinfile' ) ) { $json = file_get_contents( $this->getOption( 'pbinfile' ) ); } else { $json = $this->getOption( 'pbin' ); } $pb = PHPUtils::jsonDecode( $json ); $pb = new PageBundle( '', $pb['parsoid'] ?? null, [ 'ids' => [] ] // FIXME: ^999.0.0 ); PageBundle::apply( $doc, $pb ); return ContentUtils::toXML( $doc ); } /* * Do a wt2html or wt2wt operation and output the result * * @param array $configOpts * @param array $parsoidOpts * @param string $input */ private function transformFromWt( $configOpts, $parsoidOpts, $input ) { if ( $this->hasOption( 'wt2wt' ) ) { $this->benchmark( function () use ( $configOpts, $parsoidOpts, $input ) { $html = $this->wt2Html( $configOpts, $parsoidOpts, $input ); return $this->html2Wt( $configOpts, $parsoidOpts, $html ); } ); } elseif ( $parsoidOpts['pageBundle'] ?? false ) { if ( $this->hasOption( 'pboutfile' ) ) { $html = $this->wt2Html( $configOpts, $parsoidOpts, $input ); file_put_contents( $this->getOption( 'pboutfile' ), PHPUtils::jsonEncode( [ 'parsoid' => $html->parsoid, 'mw' => $html->mw, ] ) ); $html = $html->html; } elseif ( $this->hasOption( 'pageBundle' ) ) { $html = $this->wt2Html( $configOpts, $parsoidOpts, $input ); // Stitch this back in, even though it was just extracted $doc = DOMUtils::parseHTML( $html->html ); DOMDataUtils::injectPageBundle( $doc, PHPUtils::arrayToObject( [ 'parsoid' => $html->parsoid, 'mw' => $html->mw, ] ) ); $html = ContentUtils::toXML( $doc ); } $this->output( $this->maybeNormalize( $html ) ); } else { $this->benchmark( function () use ( $configOpts, $parsoidOpts, $input ) { return $this->wt2Html( $configOpts, $parsoidOpts, $input ); } ); } } } $maintClass = Parse::class; require_once PARSOID_RUN_MAINTENANCE_IF_MAIN;

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