API:Mergehistory

Category:MediaWiki action API

POST request to merge page histories.

MediaWiki version:
≥ 1.27

API documentation

action=mergehistory

(main | mergehistory)
  • This module requires read rights.
  • This module requires write rights.
  • This module only accepts POST requests.
  • Source: MediaWiki
  • License: GPL-2.0-or-later

Merge page histories.

Specific parameters:
Other general parameters are available.
from

Title of the page from which history will be merged. Cannot be used together with fromid.

fromid

Page ID of the page from which history will be merged. Cannot be used together with from.

Type: integer
to

Title of the page to which history will be merged. Cannot be used together with toid.

toid

Page ID of the page to which history will be merged. Cannot be used together with to.

Type: integer
timestamp

Timestamp up to which revisions will be moved from the source page's history to the destination page's history. If omitted, the entire page history of the source page will be merged into the destination page.

Type: timestamp (allowed formats)
reason

Reason for the history merge.

Default: (empty)
token

A "csrf" token retrieved from action=query&meta=tokens

This parameter is required.
Examples:
Merge the entire history of Oldpage into Newpage.
api.php?action=mergehistory&from=Oldpage&to=Newpage&token=123ABC&reason=Reason [open in sandbox]
Merge the page revisions of Oldpage dating up to 2015-12-31T04:37:41Z into Newpage.
api.php?action=mergehistory&from=Oldpage&to=Newpage&token=123ABC&reason=Reason&timestamp=2015-12-31T04%3A37%3A41Z [open in sandbox]

Example

Making any POST request is a multi-step process:

  1. Log in, via one of the methods described on API:Login.
  2. GET an edit/CSRF token as shown here API:Tokens
  3. Send a POST request, with the CSRF token, to merge page histories.

The sample codes below cover these steps.

POST request

Response

{
	"api": {
		"mergehistory": {
			"_from": "Oldpage",
			"_to": "Newpage",
			"_timestamp": "2015-12-31T04:37:41Z",
			"_reason": "Reason"
		}
	}
}

Sample code

Python

#!/usr/bin/python3

"""
    mergehistory.py

    MediaWiki API Demos
    Demo of `mergehistory` module: Merge the page revisions of Oldpage
    dating up to 2015-12-31T04:37:41Z into Newpage

    MIT license
"""
import requests

S = requests.Session()

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

# Step 1: Retrieve a login token
PARAMS_1 = {
    "action": "query",
    "meta": "tokens",
    "type": "login",
    "format": "json"
}

R = S.get(url=URL, params=PARAMS_1)
DATA = R.json()

LOGIN_TOKEN = DATA['query']['tokens']['logintoken']

# Step 2: Send a post request to log in using the clientlogin method.
# import rights can't be granted using Special:BotPasswords
# hence using bot passwords may not work.
# See https://www.mediawiki.org/wiki/API:Login for more
# information on log in methods.
PARAMS_2 = {
    "action": "clientlogin",
    "username": "username",
    "password": "password",
    "format": "json",
    "loginreturnurl": "http://127.0.0.1:5000/",
    "logintoken": LOGIN_TOKEN
}

R = S.post(URL, data=PARAMS_2)
DATA = R.json()

# Step 3: While logged in, retrieve a CSRF token
PARAMS_3 = {
    "action": "query",
    "meta": "tokens",
    "format": "json"
}

R = S.get(url=URL, params=PARAMS_3)
DATA = R.json()

CSRF_TOKEN = DATA["query"]["tokens"]["csrftoken"]

# Step 4: Send a POST request  to merge the page revisions
#  of Oldpage dating up to 2015-12-31T04:37:41Z into Newpage
PARAMS_4 = {
    "action":"mergehistory",
    "from":"Oldpage",
    "to":"Newpage",
    "format":"json",
    "timestamp":"2015-12-31T04:37:41Z",
    "reason":"Reason",
    "token" : CSRF_TOKEN
    }

R = S.post(URL, data=PARAMS_4)
DATA = R.text

print(DATA)

# To merge entire history of Oldpage to Newpage,
# remove the "timestamp" parameter in step 4

PHP

<?php

/*
    mergehistory.php

    MediaWiki API Demos
    Demo of `mergehistory` module: Merge the page revisions of Oldpage 
	dating up to 2015-12-31T04:37:41Z into Newpage
	
	MIT license
*/
$endPoint = "https://test.wikipedia.org/w/api.php";

$login_Token = getLoginToken(); // Step 1
loginRequest( $login_Token ); // Step 2
$csrf_Token = getCSRFToken(); // Step 3
mergehistory( $csrf_Token ); // Step 4

// Step 1: GET request to fetch login token
function getLoginToken() {
	global $endPoint;

	$params1 = [
		"action" => "query",
		"meta" => "tokens",
		"type" => "login",
		"format" => "json"
	];

	$url = $endPoint . "?" . http_build_query( $params1 );

	$ch = curl_init( $url );
	curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
	curl_setopt( $ch, CURLOPT_COOKIEJAR, "cookie.txt" );
	curl_setopt( $ch, CURLOPT_COOKIEFILE, "cookie.txt" );

	$output = curl_exec( $ch );
	curl_close( $ch );

	$result = json_decode( $output, true );
	return $result["query"]["tokens"]["logintoken"];
}

// Step 2: Send a post request to log in using the clientlogin method.
// import rights can't be granted using Special:BotPasswords
// hence using bot passwords may not work.
// See https://www.mediawiki.org/wiki/API:Login for more
// information on log in methods.
function loginRequest( $logintoken ) {
	global $endPoint;

	$params2 = [
		"action" => "clientlogin",
		"username" => "username",
		"password" => "password",
		'loginreturnurl' => 'http://127.0.0.1:5000/',
		"logintoken" => $logintoken,
		"format" => "json"
	];

	$ch = curl_init();

	curl_setopt( $ch, CURLOPT_URL, $endPoint );
	curl_setopt( $ch, CURLOPT_POST, true );
	curl_setopt( $ch, CURLOPT_POSTFIELDS, http_build_query( $params2 ) );
	curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
	curl_setopt( $ch, CURLOPT_COOKIEJAR, "cookie.txt" );
	curl_setopt( $ch, CURLOPT_COOKIEFILE, "cookie.txt" );

	$output = curl_exec( $ch );
	curl_close( $ch );
}

// Step 3: GET request to fetch CSRF token
function getCSRFToken() {
	global $endPoint;

	$params3 = [
		"action" => "query",
		"meta" => "tokens",
		"format" => "json"
	];

	$url = $endPoint . "?" . http_build_query( $params3 );

	$ch = curl_init( $url );

	curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
	curl_setopt( $ch, CURLOPT_COOKIEJAR, "cookie.txt" );
	curl_setopt( $ch, CURLOPT_COOKIEFILE, "cookie.txt" );

	$output = curl_exec( $ch );
	curl_close( $ch );

	$result = json_decode( $output, true );
	return $result["query"]["tokens"]["csrftoken"];
}

# Step 4: Send a POST request  to merge the page revisions of Oldpage dating up to 2015-12-31T04:37:41Z into Newpage
function mergeHistory( $csrftoken ) {
	global $endPoint;
	
	$params4 = [
		"action"=>"mergehistory",
		"from"=>"Oldpage",
		"to"=>"Newpage",
		"format"=>"json",
		"timestamp"=>"2015-12-31T04:37:41Z",
		"reason"=>"Reason",
		"token" => $csrftoken
	];
  
	$ch = curl_init();

	curl_setopt( $ch, CURLOPT_URL, $endPoint );
	curl_setopt( $ch, CURLOPT_POST, true );
	curl_setopt( $ch, CURLOPT_POSTFIELDS, http_build_query( $params4 ) );
	curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
	curl_setopt( $ch, CURLOPT_COOKIEJAR, "cookie.txt" );
	curl_setopt( $ch, CURLOPT_COOKIEFILE, "cookie.txt" );

	$response = curl_exec($ch);
	curl_close($ch);

	echo ($response);
}

/*
    To merge entire history of Oldpage to Newpage,
    remove the "timestamp" parameter in step 4

*/

JavaScript

/*
    mergehistory.js

    MediaWiki API Demos
    Demo of `mergehistory` module: Merge the page revisions of Oldpage
    dating up to 2015-12-31T04:37:41Z into Newpage

    MIT license
*/
var request = require("request").defaults({jar: true}),
url = "https://test.wikipedia.org/w/api.php";

// Step 1: GET request to fetch login token
function getLoginToken() {
    var params_0 = {
        action: "query",
        meta: "tokens",
        type: "login",
        format: "json"
    };
    request.get({ url: url, qs: params_0 }, function (error, res, body) {
        if (error) {
            return;
        }
        var data = JSON.parse(body);
        loginRequest(data.query.tokens.logintoken);
    });
}

// Step 2: Send a post request to log in using the clientlogin method.
// import rights can't be granted using Special:BotPasswords
// hence using bot passwords may not work.
// See https://www.mediawiki.org/wiki/API:Login for more
// information on log in methods.
function loginRequest(login_token) {
    var params_1 = {
        action: "clientlogin",
        username: "username",
        password: "password",
        loginreturnurl: "http://127.0.0.1:5000/",
        logintoken: login_token,
        format: "json"
    };
    request.post({ url: url, form: params_1 }, function (error, res, body) {
        if (error) {
            return;
        }
        getCsrfToken();
    });
}

// Step 3: GET request to fetch CSRF token
function getCsrfToken() {
    var params_2 = {
        action: "query",
        meta: "tokens",
        format: "json"
    };
    request.get({ url: url, qs: params_2 }, function(error, res, body) {
        if (error) {
            return;
        }
        var data = JSON.parse(body);
        mergeHistory(data.query.tokens.csrftoken);
    });
}

// Step 4: Send a POST request  to merge the page revisions
// of Oldpage dating up to 2015-12-31T04:37:41Z into Newpage
function mergeHistory(csrf_token) {
    var params_3 = {
            action: "mergehistory",
            from: "Oldpage",
            to: "Newpage",
            reason: "Reason",
            format: "json",
            timestamp: "2015-12-31T04:37:41Z",
            token: csrf_token
    };
    request.post({ url: url, form: params_3 }, function(error, res, body) {
        if (error) {
            return;
        }
        console.log(body);
    });
}

// Start From Step 1
getLoginToken();

/*
    To merge entire history of Oldpage to Newpage,
    remove the "timestamp" parameter in step 4

*/

Possible errors

Code Info
badtoken Invalid CSRF token.
apierror-invalidtitle Bad title "from".

Bad title "to".

apierror-nosuchpageid There is no page with ID fromid.

There is no page with ID toid.

Additional notes

See also

Category:MediaWiki action API