MediaWiki  master
fixDefaultJsonContentPages.php
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1 <?php
24 require_once __DIR__ . '/Maintenance.php';
25 
33  public function __construct() {
34  parent::__construct();
35  $this->addDescription(
36  'Fix instances of JSON pages prior to them being the ContentHandler default' );
37  $this->setBatchSize( 100 );
38  }
39 
40  protected function getUpdateKey() {
41  return __CLASS__;
42  }
43 
44  protected function doDBUpdates() {
45  if ( !$this->getConfig()->get( 'ContentHandlerUseDB' ) ) {
46  $this->output( "\$wgContentHandlerUseDB is not enabled, nothing to do.\n" );
47  return true;
48  }
49 
50  $dbr = $this->getDB( DB_REPLICA );
51  $namespaces = [
52  NS_MEDIAWIKI => $dbr->buildLike( $dbr->anyString(), '.json' ),
53  NS_USER => $dbr->buildLike( $dbr->anyString(), '/', $dbr->anyString(), '.json' ),
54  ];
55  foreach ( $namespaces as $ns => $like ) {
56  $lastPage = 0;
57  do {
58  $rows = $dbr->select(
59  'page',
60  [ 'page_id', 'page_title', 'page_namespace', 'page_content_model' ],
61  [
62  'page_namespace' => $ns,
63  'page_title ' . $like,
64  'page_id > ' . $dbr->addQuotes( $lastPage )
65  ],
66  __METHOD__,
67  [ 'ORDER BY' => 'page_id', 'LIMIT' => $this->getBatchSize() ]
68  );
69  foreach ( $rows as $row ) {
70  $this->handleRow( $row );
71  }
72  } while ( $rows->numRows() >= $this->getBatchSize() );
73  }
74 
75  return true;
76  }
77 
78  protected function handleRow( stdClass $row ) {
79  $title = Title::makeTitle( $row->page_namespace, $row->page_title );
80  $this->output( "Processing {$title} ({$row->page_id})...\n" );
82  $content = $rev->getContent( Revision::RAW );
83  $dbw = $this->getDB( DB_MASTER );
84  if ( $content instanceof JsonContent ) {
85  if ( $content->isValid() ) {
86  // Yay, actually JSON. We need to just change the
87  // page_content_model because revision will automatically
88  // use the default, which is *now* JSON.
89  $this->output( "Setting page_content_model to json..." );
90  $dbw->update(
91  'page',
92  [ 'page_content_model' => CONTENT_MODEL_JSON ],
93  [ 'page_id' => $row->page_id ],
94  __METHOD__
95  );
96  $this->output( "done.\n" );
98  } else {
99  // Not JSON...force it to wikitext. We need to update the
100  // revision table so that these revisions are always processed
101  // as wikitext in the future. page_content_model is already
102  // set to "wikitext".
103  $this->output( "Setting rev_content_model to wikitext..." );
104  // Grab all the ids for batching
105  $ids = $dbw->selectFieldValues(
106  'revision',
107  'rev_id',
108  [ 'rev_page' => $row->page_id ],
109  __METHOD__
110  );
111  foreach ( array_chunk( $ids, 50 ) as $chunk ) {
112  $dbw->update(
113  'revision',
114  [ 'rev_content_model' => CONTENT_MODEL_WIKITEXT ],
115  [ 'rev_page' => $row->page_id, 'rev_id' => $chunk ]
116  );
117  wfWaitForSlaves();
118  }
119  $this->output( "done.\n" );
120  }
121  } else {
122  $this->output( "not a JSON page? Skipping\n" );
123  }
124  }
125 }
126 
128 require_once RUN_MAINTENANCE_IF_MAIN;
do that in ParserLimitReportFormat instead use this to modify the parameters of the image all existing parser cache entries will be invalid To avoid you ll need to handle that somehow(e.g. with the RejectParserCacheValue hook) because MediaWiki won 't do it for you. & $defaults also a ContextSource after deleting those rows but within the same transaction $rows
Definition: hooks.txt:2633
const CONTENT_MODEL_WIKITEXT
Definition: Defines.php:231
Usage: fixDefaultJsonContentPages.php.
setBatchSize( $s=0)
Set the batch size.
require_once RUN_MAINTENANCE_IF_MAIN
Definition: maintenance.txt:50
static newFromTitle(LinkTarget $linkTarget, $id=0, $flags=0)
Load either the current, or a specified, revision that&#39;s attached to a given link target...
Definition: Revision.php:137
const CONTENT_MODEL_JSON
Definition: Defines.php:235
const DB_MASTER
Definition: defines.php:26
wfWaitForSlaves( $ifWritesSince=null, $wiki=false, $cluster=false, $timeout=null)
Waits for the replica DBs to catch up to the master position.
addDescription( $text)
Set the description text.
namespace and then decline to actually register it file or subcat img or subcat $title
Definition: hooks.txt:925
getDB( $db, $groups=[], $wiki=false)
Returns a database to be used by current maintenance script.
output( $out, $channel=null)
Throw some output to the user.
presenting them properly to the user as errors is done by the caller return true use this to change the list i e etc $rev
Definition: hooks.txt:1766
const RAW
Definition: Revision.php:56
namespace and then decline to actually register it & $namespaces
Definition: hooks.txt:925
This document is intended to provide useful advice for parties seeking to redistribute MediaWiki to end users It s targeted particularly at maintainers for Linux since it s been observed that distribution packages of MediaWiki often break We ve consistently had to recommend that users seeking support use official tarballs instead of their distribution s and this often solves whatever problem the user is having It would be nice if this could such as
Definition: distributors.txt:9
const NS_MEDIAWIKI
Definition: Defines.php:68
static makeTitle( $ns, $title, $fragment='', $interwiki='')
Create a new Title from a namespace index and a DB key.
Definition: Title.php:589
injection txt This is an overview of how MediaWiki makes use of dependency injection The design described here grew from the discussion of RFC T384 The term dependency this means that anything an object needs to operate should be injected from the the object itself should only know narrow no concrete implementation of the logic it relies on The requirement to inject everything typically results in an architecture that based on two main types of and essentially stateless service objects that use other service objects to operate on the value objects As of the beginning MediaWiki is only starting to use the DI approach Much of the code still relies on global state or direct resulting in a highly cyclical dependency which acts as the top level factory for services in MediaWiki which can be used to gain access to default instances of various services MediaWikiServices however also allows new services to be defined and default services to be redefined Services are defined or redefined by providing a callback the instantiator that will return a new instance of the service When it will create an instance of MediaWikiServices and populate it with the services defined in the files listed by thereby bootstrapping the DI framework Per $wgServiceWiringFiles lists includes ServiceWiring php
Definition: injection.txt:35
Represents the content of a JSON content.
Definition: JsonContent.php:15
Class for scripts that perform database maintenance and want to log the update in updatelog so we can...
you have access to all of the normal MediaWiki so you can get a DB use the etc For full docs on the Maintenance class
Definition: maintenance.txt:52
getBatchSize()
Returns batch size.
const DB_REPLICA
Definition: defines.php:25
$content
Definition: pageupdater.txt:72