GET request to get a list of duplicates of the given file.

MediaWiki version:
≥ 1.14

API documentation

Special:ApiHelp/query+duplicatefiles

Example

GET request

List duplicates of two images.

Response

{
    "batchcomplete": "",
    "query": {
        "normalized": [
            {
                "from": "Image:1995.jpg",
                "to": "File:1995.jpg"
            },
            {
                "from": "Image:Welcome.gif",
                "to": "File:Welcome.gif"
            }
        ]
        ...
            }
        }
    }
}

Sample code

Python

#!/usr/bin/python3

"""
    duplicate_files.py

    MediaWiki API Demos
    Demo of `Duplicatefiles` module: List duplicates of the given files.

    MIT License
"""

import requests

S = requests.Session()

URL = "https://en.wikipedia.org/w/api.php"

PARAMS = {
    "action": "query",
    "titles": "Image:1995.jpg|Image:Welcome.gif",
    "prop": "duplicatefiles",
    "format": "json"
}

R = S.get(url=URL, params=PARAMS)
DATA = R.json()

print(DATA)

PHP

<?php

/*
    duplicate_files.php

    MediaWiki API Demos
    Demo of `Duplicatefiles` module: List duplicates of the given files.

    MIT License
*/

$endPoint = "https://en.wikipedia.org/w/api.php";
$params = [
    "action" => "query",
    "titles" => "Image:1995.jpg|Image:Welcome.gif",
    "prop" => "duplicatefiles",
    "format" => "json"
];

$url = $endPoint . "?" . http_build_query( $params );

$ch = curl_init( $url );
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
$output = curl_exec( $ch );
curl_close( $ch );

echo( $output );

JavaScript

/*
    duplicate_files.js

    MediaWiki API Demos
    Demo of `Duplicatefiles` module: List duplicates of the given files.

    MIT License
*/

var url = "https://en.wikipedia.org/w/api.php"; 

var params = {
    action: "query",
    titles: "Image:1995.jpg|Image:Welcome.gif",
    prop: "duplicatefiles",
    format: "json"
};
request.get({ url: url, qs: params }, function(error, res, body) {
    if (error) {
        return;
    }
    console.log(body);
});

MediaWiki JS

/*
    duplicate_files.js

    MediaWiki API Demos
    Demo of `Duplicatefiles` module: List duplicates of the given files.

    MIT License
*/

var params = {
    action: "query",
    titles: "Image:1995.jpg|Image:Welcome.gif",
    prop: "duplicatefiles",
    format: "json"
},
api = new mw.Api();

api.get( params ).done( function ( data ) {
console.log( data );
} );

Parameter history

  • v1.20: Introduced dfdir, dflocalonly

See also

  • API:Fileinfo - to supersede this prop in future versions of the MediaWiki Action API.
  • API:Stashimageinfo - retrieves information about stashed images.
  • API:Images - retrieves all images embedded on a page.
  • API:Info - retrieves basic information about a list of pages.
  • API:Imageusage - finds all pages that use the given image or images.
  • API:Imageinfo - retrieves information about an image file or files.
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