perflogbot2.php
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Authored by Krinkle on Jan 5 2022, 5:58 PM.

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Referenced Files

	F34909381: perflogbot2.php
	Jan 6 2022, 3:08 PM

	F34908570: perflogbot2.php
	Jan 5 2022, 5:58 PM

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	<?php

	$startupUrls = [
	'enwiki-canonical' => 'https://en.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector',
	'enwiki-mobile' => 'https://en.m.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=minerva&target=mobile',
	];

	define( 'STARTUPREG_JSON_START', 'mw.loader.register([' );
	define( 'STARTUPREG_JSON_START_OFFSET', 'mw.loader.register(' );
	define( 'STARTUPREG_JSON_END', ']);' );
	define( 'STARTUPREG_JSON_END_OFFSET', ']' );
	define( 'STARTUPREG_CACHE_PREFIX', __DIR__ . '/startup-reg-cache-' );

	function httpGet( string $url ): string {
	ini_set(
	'user_agent',
	'rl-startup-reg-diff.php (Author: <https://meta.wikimedia.org/wiki/User:Krinkle>)'
	);
	$result = file_get_contents( $url );
	if ( !$result ) {
	throw new Exception( 'HTTP request failed' );
	}
	return $result;
	}

	function getModuleVersions( string $label, string $url ): array {
	$js = httpGet( $url );

	$pos = strpos( $js, STARTUPREG_JSON_START );
	if ( $pos === false ) {
	throw new Exception( 'Startup response did not contain STARTUPREG_JSON_START' );
	}
	$js = substr( $js, $pos + strlen( STARTUPREG_JSON_START_OFFSET ) );

	$pos = strpos( $js, STARTUPREG_JSON_END );
	if ( $pos === false ) {
	throw new Exception( 'Startup response did not contain STARTUPREG_JSON_END' );
	}
	$js = substr( $js, 0, $pos + strlen( STARTUPREG_JSON_END_OFFSET ) );

	// echo $js;
	$data = json_decode( $js, true, 512, JSON_THROW_ON_ERROR );
	// var_dump( $data );

	$versions = [];
	foreach ( $data as $module ) {
	list( $name, $version ) = $module;
	$versions[$name] = $version;
	}
	return $versions;
	}

	foreach ( $startupUrls as $label => $url ) {
	$cacheFile = STARTUPREG_CACHE_PREFIX . $label . '.json';
	$oldVersions = @file_get_contents( $cacheFile );
	$oldVersions = $oldVersions ? json_decode( $oldVersions, true ) : false;

	$versions = getModuleVersions( $label, $url );

	if ( $oldVersions ) {
	foreach ( $versions as $module => $newVersion ) {
	$oldVersion = $oldVersions[$module] ?? null;
	if ( !$oldVersion ) {
	echo "[$label] New module: $module\n";
	continue;
	}
	if ( $oldVersion !== $newVersion ) {
	echo "[$label] New version: $module `$oldVersion` => `$newVersion`\n";
	continue;
	}
	}
	}

	file_put_contents( $cacheFile, json_encode( $versions, JSON_PRETTY_PRINT \| JSON_UNESCAPED_SLASHES) . "\n" );
	}

Event Timeline

Krinkle created this paste.Jan 5 2022, 5:58 PM

Krinkle mentioned this in T298520: Investigate INM Satisfaction alert as of 2021-12-17.

Krinkle edited the content of this paste. (Show Details)Jan 6 2022, 3:08 PM

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perflogbot2.php
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