Mediawiki-api January 2012

mediawiki-api@lists.wikimedia.org

15 participants
14 discussions

Need to extract abstract of a wikipedia page
by aditya srinivas 23 Nov '23

23 Nov '23

Hello, I am writing a Java program to extract the abstract of the wikipedia page given the title of the wikipedia page. I have done some research and found out that the abstract with be in rvsection=0 So for example if I want the abstract of 'Eiffel Tower" wiki page then I am querying using the api in the following way. http://en.wikipedia.org/w/api.php?action=query&prop=revisions&titles=Eiffel… and parse the XML data which we get and take the wikitext in the tag <rev xml:space="preserve"> which represents the abstract of the wikipedia page. But this wiki text also contains the infobox data which I do not need. I would like to know if there is anyway in which I can remove the infobox data and get only the wikitext related to the page's abstract Or if there is any alternative method by which I can get the abstract of the page directly. Looking forward to your help. Thanks in Advance Aditya Uppu

4 3

can I use the API to search for images in commons.wikimedia.org?
by Timothy Helck 09 Mar '12

09 Mar '12

I want to add a widget to a web page that will allow user to enter search terms and search wikimedia for images that match the terms. I have implemented a similar widget for flickr, using their API, but am having trouble doing the same with wikimedia. Basically, I would like to replicate the functionality of the commons.wikimedia.org search page. Ideally I would like to be able to get a Category listing (ex. http://commons.wikimedia.org/wiki/Chartres_Cathedral) or a true search results (ex. http://commons.wikimedia.org/w/index.php?title=Special%3ASearch&search=%22c…), but at this point I would be happy with either. I've tried using the allimages list, but that is not adequate. Is there any other way to search images using the API? I have also been looking at Freebase and DBPedia. These seem like they might do what I want, but RDF is completely new to me and I'm still trying to figure out the basics of it. If anyone can point me in the right direction for either of those resources, I would appreciate it. Regards. Tim Helck

5 10

Content-Length being written twice in HTTP Header
by Tom Hutchison 07 Feb '12

07 Feb '12

I posted this on the talk page for the API. Trying to find an answer. I did try with 16.5, but still the same error, it is reporting a doubled Content-Length. Where in the code is the header formed for content length? Or is it relying on server? Doubled Content-Length in HTTP Header MediaWiki version: 16.0 - also tried 16.5 PHP version: 5.2.17 (cgi) MySQL version: 5.0.91-log URL: www.isogg.org/w/api.php I am trying to track down a bug in the api which is causing a double content-length in the header. This is causing a lot of issues with a python bot. Here is the report from web-sniffer showing the content of the api.php call from this wiki. All other pages when called, i.e. the Main page, etc. only report 1 content-length. Is the api forcing the headers? Why is doubling only the one? Status: HTTP/1.1 200 OK Date: Mon, 30 Jan 2012 14:31:25 GMT Content-Type: text/html; charset=utf-8 Connection: close Server: Nginx / Varnish X-Powered-By: PHP/5.2.17 MediaWiki-API-Error: help Cache-Control: private Content-Encoding: gzip Vary: Accept-Encoding Content-Length: 16656 Content-Length: 16656 As you can see this is a Nginx server. On an Apache server with 16.0, only one content-length is sent. Could that be the issue and how do I solve it? Thanks. Tom

4 10

Private/protected methods in API module(s)
by Daniel Renfro 26 Jan '12

26 Jan '12

I am working on an extension and would like to add some functionality to the 'usercontribs' api module (api/ApiQueryUserContributions.) I cannot subclass the ApiQueryUserContributions class and get the functionality I want because there are a number of methods that have a 'private' scope. Is there a reason that these are private and not protected? Daniel Renfro Senior Software Engineer T: 781-652-6465 Vistaprint Make an impression. Business Cards are FREE at www.vistaprint.com!

2 1

Style Sheets when using the API with action=parse
by Shahar Prish 24 Jan '12

24 Jan '12

Thanks for the answer.. One follow-up.. Not sure what the acceptable way to answer these... >> 1.?????? Is this the preferred way to ask questions? Is there a >> web-based forum I can use to ask questions/search for answers? >> >Yes. Can you provide it? I can't find it. s

2 1

Re: [Mediawiki-api] Style Sheets when using the API with action=parse
by Shahar Prish 24 Jan '12

24 Jan '12

Hi, 1. Is this the preferred way to ask questions? Is there a web-based forum I can use to ask questions/search for answers? 2. My questions: I am using the api's action=parse operation and am getting HTML that corresponds to said article. a. Is there a way to avoid redirect in pages (automatically get all-resolved URLs) b. Which CSS should I include in my HTML so that the formatting of the HTML will work properly? Not all styles are inlined. I could not find any info about this (really hard to search for Wikipedia-related programming elements - you keep hitting, well, Wikipedia. :)) Thanks, s

3 2

API usage etiquette
by Fred Zimmerman 23 Jan '12

23 Jan '12

Is there any limit on frequency of requests to API?

4 3

Get metadata for old revisions
by Abhishek 22 Jan '12

22 Jan '12

Hello all, I'm looking to get imageinfo type information for two different revisions of the same page. I'm thought the following would work: (revids are both for the page on Yogi Berra) http://en.wikipedia.org/w/api.php?action=query&format=xml&prop=images&revid… http://en.wikipedia.org/w/api.php?action=query&format=xml&prop=images&revid… However both these queries give me the same response. Something I'm doing wrong? How should I go about doing this? Abhishek ------------ http://abhishek.mit.edu

3 2

Querypage trouble
by Russell Blau 18 Jan '12

18 Jan '12

I am having a perplexing problem trying to retrieve a list of querypage results. The problem is that when I access the API from a script, I can only retrieve 1000 results from the API, while if I use exactly the same query manually in a browser, I can retrieve up to 5000 results. Here is an example of the query: http://simple.wikipedia.org/w/api.php?action=query&list=querypage&qppage=Di… When I put this query into Firefox manually, it returns the expected 100 results, plus a "query-continue" key. However, when I run exactly the same query from a Python script, it returns the same 100 results, but no "query-continue". (When qpoffset is less than 900, the script *does* return the "query-continue" key, the problem only occurs when trying to go past offset 1000.) The _only_ difference I can identify between the two queries is that the browser is doing an HTTP GET, while the Python script is doing an HTTP POST. Everything else is identical, which I have verified by logging the queries sent and responses received by the script and comparing them to my manual queries. Should GET vs. POST make a difference in the results returned by list=querypage? I've never seen this happen on any other type of API query. If that's not it, is there any other possible explanation?

1 1

Improving web service API documentation and tutorials
by Sumana Harihareswara 18 Jan '12

18 Jan '12

This week and next week, I'm aiming to work on improving the documentation and tutorials for MediaWiki's web service API. I've already gotten a volunteer to redo https://www.mediawiki.org/wiki/API:Main_page and am aiming on getting volunteers to improve the rest of the API: pages on mediawiki.org in the next few weeks. Now would be a great time for you to put feedback and "I wish this covered...." notes on Talk pages. Also, Max Semenik wrote a new GUI tool to help newbies explore the MediaWiki API. It's called the API Query Sandbox. You can try it here: https://en.wikipedia.org/wiki/Special:ApiSandbox and an improved version (not yet deployed) here: http://mobile-feeds.wmflabs.org/w/index.php/Special:ApiSandbox Please file bugs and enhancement requests in bugzilla.wikimedia.org (Product: MediaWiki extensions, Component: ApiSandbox). We want to make this better. Thanks! -- Sumana Harihareswara Volunteer Development Coordinator Wikimedia Foundation

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Mediawiki-api January 2012