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Extension:Proofread Page

Issue tracker: #MediaWiki-extensions-ProofreadPage
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MediaWiki extensions manual
Proofread Page
Release status: stable
Implementation Page action , ContentHandler , Tag , API , Database
Description The Proofread Page extension can render a book either as a column of OCR text beside a column of scanned images, or broken into its logical organization (such as chapters or poems) using transclusion.
Author(s) ThomasV (original author)
Tpt (current maintainer)
Latest version continuous updates
Compatibility policy Snapshots releases along with MediaWiki. Master is not backward compatible.
MediaWiki current master
PHP 7.0+
Database changes Yes
Composer mediawiki/proofread-page
Tables pr_index
License GNU General Public License 2.0 or later
Download
Download extension
Git [?]:
Help Help:Extension:ProofreadPage
Example s:Index:Wind in the Willows (1913).djvu
Namespace
Page, Index
Parameters
  • $wgProofreadPagePageJoiner
  • $wgProofreadPagePageSeparator
  • $wgProofreadPageNamespaceIds
  • $wgProofreadPageEnableEditInSequence
  • $wgProofreadPageBookNamespaces
  • $wgProofreadPageUseStatusChangeTags
  • $wgProofreadPagePageSeparatorPlaceholder
Added rights

  • pagequality
  • pagequality-admin
  • pagequality-validate
Hooks used
Translate the Proofread Page extension if it is available at translatewiki.net
Issues Open tasks · Report a bug

Proofread Page extension

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The Proofread Page extension creates a book either:

  1. as a column of OCR text beside a column of scanned images, or
  2. broken into chapters or poems. The content of a document appears in the MediaWiki page (via transclusion).

The extension is intended to allow easy comparison of text to the original digitization.

This extension shows the text in several ways without actually duplicating the original text.[1]

Use

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The extension is installed on all Wikisource wikis. For the syntax, see the Wikisource Proofread Page documentation. It was previously also used on Bibliowiki.

Requirements and recommendations

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Installation

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Extension

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  • Download and move the extracted ProofreadPage folder to your extensions/ directory.
    Developers and code contributors should install the extension from Git instead, using:cd extensions/
    git clone https://gerrit.wikimedia.org/r/mediawiki/extensions/ProofreadPage
  • Add the following code at the bottom of your LocalSettings.php file: 
    wfLoadExtension( 'ProofreadPage' );
  • Run the update script which will automatically create the necessary database tables that this extension needs.
  • Yes Done – Navigate to Special:Version on your wiki to verify that the extension is successfully installed.

Thumbnailing

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The extension links directly to image thumbnails which often don't exist. You must catch 404 errors and generate the missing thumbnails. You can do this with any one of these solutions:

  • Set an Apache RewriteRule in .htaccess to thumb.php for missing thumbnails:
    RewriteEngine On
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule ^/w/images/thumb/[0-9a-f]/[0-9a-f][0-9a-f]/([^/]+)/page([0-9]+)-?([0-9]+)px-.*$ /w/thumb.php?f=$1&p=$2&w=$3 [L,QSA]
  • or set the Apache 404 handler to Wikimedia's thumb-handler. This is a general-purpose 404 handler with Wikimedia-specific code, not simply a thumbnail generator.
    ErrorDocument 404 /w/extensions/upload-scripts/404.php
  • For MediaWiki >= 1.20, you can simply redirect to thumb_handler.php:
    RewriteEngine On
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule ^/w/images/thumb/[0-9a-f]/[0-9a-f][0-9a-f]/([^/]+)/page([0-9]+)-?([0-9]+)px-.*$ /w/thumb_handler.php [L,QSA]
  • or in apache2.conf:
    ErrorDocument 404 /w/thumb_handler.php
Warning Warning: There is an .htaccess file in the images directory that may interfere with any .htaccess rules you install.

If you encounter a problem similar to the following:

  • phab:T301291 – PDF and DjVu files on Commons failed to be processed (no thumbnails, zero pages) but otherwise valid
  • phab:T298417 – Undeleted DjVu files show incorrect metadata: 0x0 size, no page number info
  • phab:T299521 – PDF file has 0x0 image size in Commons after uploading a new version while the page number is correct

Try next steps:

  1. repair thumbnails for DjVu files of the core MediaWiki (for PDF use mimetype application/pdf ) 
    php maintenance/refreshImageMetadata.php --verbose --mime image/vnd.djvu --force
  2. needed for actualization info about the pages counts of the Special:IndexPages 
    php maintenance/refreshLinks.php --namespace 252

Namespaces

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ProofreadPage create by default two custom namespaces named "Page" and "Index" in English with respectively ids 250 and 252.

Their names are translated if your wiki use another language. Full list.

You can customize their name or their ID: Create namespaces by hand and set their IDs in Manual:LocalSettings.php using $wgProofreadPageNamespaceIds global. You will do something like: 

define( 'NS_PROOFREAD_PAGE', 250);
define( 'NS_PROOFREAD_PAGE_TALK', 251);
define( 'NS_PROOFREAD_INDEX', 252);
define( 'NS_PROOFREAD_INDEX_TALK', 253);
$wgExtraNamespaces[NS_PROOFREAD_PAGE] = 'Page';
$wgExtraNamespaces[NS_PROOFREAD_PAGE_TALK] = 'Page_talk';
$wgExtraNamespaces[NS_PROOFREAD_INDEX] = 'Index';
$wgExtraNamespaces[NS_PROOFREAD_INDEX_TALK] = 'Index_talk';
$wgProofreadPageNamespaceIds = array(
    'index' => NS_PROOFREAD_INDEX,
    'page' => NS_PROOFREAD_PAGE
);

Namespace id customization is not recommended and might not be supported in the future.

Configuration

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Configuration of index namespace

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For more details, see Extension:Proofread Page/Index data configuration

The configuration is a JSON array of properties. Here is the structure of a property in the array, all the parameters are optional, the default value are set: 

{
  "ID": { //id of the metadata (first parameter of proofreadpage_index_attributes)
    "type": "string", //the property type (for compatibility reasons the values have not to be of this type). Possibles values: string, number, page. If set, the newly set values should be valid according to the type (e.g. for a number a valid number, for a page an existing wiki page...)
    "size": 1, //only for the type string : number of lines of the input (third parameter of proofreadpage_index_attributes)
    "values":  {"a":"A", "b":"B","c":"C", "d":"D"}, //an array values : label that list the possible values (for compatibility reasons the stored values have not to be one of these)
    "default": "", //the default value
    "header": false, //add the property to MediaWiki:Proofreadpage_header_template template (true is equivalent to being listed in proofreadpage_js_attributes)
    "label": "ID", //the label in the form (second parameter of proofreadpage_index_attributes)
    "help": "", //a short help text
    "delimiter": [], //list of delimiters between two part of values. By example ["; ", " and "] for strings like "J. M. Dent; E. P. Dutton and A. D. Robert"
    "data": "" //proofreadpage's metadata type that the property is equivalent to
  }
}

The data parameter can have for value: "type", "language", "title", "author", "translator", "illustrator", "editor", "school", "year", "publisher", "place", "progress"

Page separator

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The extension puts a separator between every transcluded page and the next, which is defined by wgProofreadPagePageSeparator. The default value is   (a whitespace). Set wgProofreadPagePageSeparator = "" to suppress the separator.

Join hyphenated words across pages

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When a word is hyphenated between a page and the next, the extension joins together the two halves of the word. Example: his- and tory becomes history. The "joiner" character is defined by wgProofreadPagePageJoiner and defaults to '-' (the ASCII hyphen character).

Configure change tagging (optional)

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See Change tagging to set up change tags.

Usage

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Creating your first page (example with DjVu)

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  • Before following these steps ensure you have followed the instructions in Manual:How to use DjVu with MediaWiki .
  • (when and in which namespace is the DjVu file itself uploaded?)
  • Create a page in the "Page" namespace (or the internationalized name if you use an not-English wiki). For example if your namespace is 'Page' create Page:Carroll - Alice's Adventures in Wonderland.djvu
  • Create the corresponding file for this page commons:File:Carroll - Alice's Adventures in Wonderland.djvu (or set Manual:$wgUseInstantCommons to true).
  • Create the index page Index:Carroll - Alice's Adventures in Wonderland.djvu
    • Insert the tag ‎<pagelist /> in the Pages field to visualize the page list
  • To edit page 5 of the book navigate to 'Page:Carroll - Alice's Adventures in Wonderland/5' and click edit

Syntax

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This extension introduces the following tags: ‎<pages>, ‎<pagelist>

Notes

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  1. ↑ Because the pages are not in the main namespace, they are not included in the statistical count of text units.

See also

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Retrieved from "https://www.mediawiki.org/w/index.php?title=Extension:Proofread_Page&oldid=6254000"