Wikitech-l May 2013

wikitech-l@lists.wikimedia.org

158 participants
193 discussions

pt.wp Mentorship Program
by Alchimista 25 May '13

25 May '13

On pt.wikipedia there is a lack of local tech people who can do simple things like fixing a .js gadget (or creating one for a specific and local utility), or a simple bot script, and when it comes to lua modules, it's easy to guess... After a discussion, we've decided to implement our own local version of wmf mentorship programs like LevelUp, but instead of competing with them, complement where we can.[0] It basically intents to fill the gap between those who would like to know some js to deal with gadjets or lua to create nice modules, or even python to write some basic bots, and then those who wish to go further, they'll always have global programs. We'll basically start slowly on Python, we've created some doc, mostly to introduce and inform where to find the info, both on web or on mw. We're trying not to replicate information, just stick to fill the blanks, and mapping the disperse info (Gil and Sumana had gave a lot of good advices, by the way). So now that we're trying to get it to work, is there any similar program on other wm project to share experiences, or specially for those who had been mentors on global projects, any suggestion or advice? As far as i know, none of us have participated on a similar project, so we're accepting free ( a(s|nd) free bee r) suggestions :D Now, a second question. We're starting on python, more precisely python + pywpbot, and i was wondering what would be the most appropriated place where this scripts could be tested. It could be on pt.wp, but people can be afraid of breack something, at least when i cooked my first py script, i only got confident once i got the bot flag on test, could test it on a few pages there. Could http://test.wikipedia.org/ this purpose, or is there any other place where they wount feel the "elephant in a *porcelain store" syndrome? (This is a common Portuguese *saying, i believe you got the message) Cheers, -- Alchimista http://pt.wikipedia.org/wiki/Utilizador:Alchimista PS. once more, thanks to Sumana and Gil for the long talk and advices. [0] - http://pt.wikipedia.org/wiki/Wikip%C3%A9dia:Desenvolvimento_t%C3%A9cnico

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Information on MW and Redis?
by Jamie Thingelstad 25 May '13

25 May '13

Hello all, I keep seeing references in WMF documents to using Redis for session storage and as the storage for the job queue going forward. However, LocalSettings doesn't have any references to Redis. It looks like the session changes for Redis were in 1.20, and I thought that the change for the job queue to be backed by Redis was coming in 1.21. It also seems that Notifications (Echo) may require Redis, but that's not real clear. I'm wondering what the general status of this is? As a 3rd party mediawiki admin, I'm eager to get redis going primarily for the job queue improvements, but with nothing noted in local settings documentation I'm wondering what the plan is for these redis based features? Will $wgMainCacheType be getting a CACHE_REDIS option? Jamie Thingelstad jamie(a)thingelstad.com mobile: 612-810-3699 find me on AIM Twitter Facebook LinkedIn

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database encoding for field with mathematical expressions
by physik＠physikerwelt.de 24 May '13

24 May '13

Hi, I'm a testing a new rendering option for the <math /> element and had problems to store MathML elements in the database field math_mathml which is of type text. The MathML elements contain a wide range of Unicode characters like the INVISIBLE TIMES that is encoded as 0xE2 0x81 0xA2 in UTF-8 or even 4 byte chars like MATHEMATICAL BOLD CAPITAL A 0xF0 0x9D 0x90 0x80 . In some rar cases I had problem to retrieve the stored value correctly from MySQL. To fix that problem I'm now using the PHP functions utf8_encode /decode to which is not a very intuitive solution. Do you know a better method to solve this issue without to change the database layout. Best Physikerwelt

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Hackathon idea: How about a live bug triage and code review hour ?
by Derk-Jan Hartman 24 May '13

24 May '13

I was thinking about the past hackathons and I realized that the interaction with eachother is often the best way to learn during these events, it's so much quicker than using gerrit/bugzilla/email/IRC. I also remember that a lot of the time, we do a lot of informal review and assessment of problems during these events. This time we have a very nice "How to get your code deployed on Wikimedia" workshop. Perhaps in addition to that, it might be a nice idea to do a live "office hour" dedicated to bug assessment and code review ? People could submit bug reports and gerrit changesets (etherpad?) and then we pick one hour, where a group of us simply try to help people with these issues in any form. We'd have multiple disciplines and areas of expertise being able to chip in, which should be great for the attendees with "why does no one pay attention to my bugreport/patch"-issues. Does anyone else think something like that might be a nice idea ? We'd need to find a timeslot though, that's probably gonna be the hardest part. I'm guessing that many WMF folks will have quite a few meetings again. DJ

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Recursive merging enabled for Gerrit repositories
by Chad 24 May '13

24 May '13

Hi, We've enabled JGit's recursive merger for all repositories using content merge strategies (basically any not using fast forwarding, which is most). The intention is to lower the number of trivial conflicts that people are having to resolve locally. This is considered experimental by Gerrit, but is now the default for JGit itself, so I believe it's stable enough for us to use. That being said, it's still new-ish so there's always a chance we'll hit some bug. So, if you see anything, ANYTHING related to merge problems then I'd like to know about it so we can either get it fixed or turn the feature back off (if it's patently broken). Thanks! -Chad

2 1

Publish-staying-in-editmode feature for WikiEditor
by vitalif＠yourcmc.ru 24 May '13

24 May '13

Hello! I have implemented an idea for WikiEditor extension: replace "step-by-step publish" feature with another one - "publish staying in edit mode via AJAX". You can see a demo at http://wiki.4intra.net/ if you want. It works simply by sending an API save article request while NOT closing the article being edited. Also it handles section edits correctly via re-requesting section content after editing, so you'll stay with consistent edit form even if you add sections. The idea is to give authors the ability to save intermediate results. My question is - does anyone really need "step-by-step publishing" feature that is in WikiEditor? I think it's useless because it just duplicates the existing functionality, just submits the form using normal POST request, and makes editing harder as you have to do more clicks. I would submit a patch to Gerrit if you're interested in replacing it with "publish-staying-in-editmode". -- With best regards, Vitaliy Filippov

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Need help with a Jenkins PHPUnit build failure
by Arthur Richards 24 May '13

24 May '13

In trying to submit https://gerrit.wikimedia.org/r/#/c/63907/18, I get a Jenkins build failure due to PHPUnit failing, due to a Fatal being thrown: https://integration.wikimedia.org/ci/job/mwext-MobileFrontend-testextension… The fatal: PHP Fatal error: Class 'MFMockRevision' not found in /srv/ssd/jenkins/workspace/mwext-MobileFrontend-testextensions-master/extensions/MobileFrontend/tests/MobileContextTest.php on line 500 The thing is, 'MFMockRevision' should be made available by it's file being included in efExtMobileFrontendUnitTests() (our hook handler for UnitTestsList. Unit tests execute fine for me and at least one other person on the mobile team. I do not want to manually merge that patchset since I imagine it would cause build failures on subsequent patchset +2's. Anyone know what might be going on? -- Arthur Richards Software Engineer, Mobile [[User:Awjrichards]] IRC: awjr +1-415-839-6885 x6687

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Querying the database
by Tuszynski, Jaroslaw W. 23 May '13

23 May '13

I do a lot of maintenance tasks on Commons, and many tasks require some sort of database query to find the oddball cases. The queries can be done through one of several ways: 1) Using CatScan and CatScan2[2] tools 2) Database query service [3] 3) Weekly Database reports [4] Unfortunately lately some of those ways are breaking down. CatScan and CatScan2 rarely work failing in many different ways: usually due to exceeding the 'max_user_connections' (30 for magnus's CatScan2, and 15 for Daniel's CatScan), but otherwise with some timeout or no-connection errors, or can work on a query for hours (or days if you let it) and never returns anything. I developed some CatScan2 based queries for Creator template maintenance, that worked fine 2-3 years ago, but always time-out since. That might be due more and more images on Commons. Similarly, Database query service seems also very inactive. There are many requests and few replies, like my request from April 2 [5]. For example, lately I was searching for images on Commons that do not have any license templates (sometimes since 2007 or earlier), see [5]. At some point Magnus was helping me with that query, however after it failed several times with "server not found" error we gave up. It seems like less and less can be done with current infrastructure. So are there any non-toolserver based alternatives for database queries? I was trying to read about Wikimedia Labs looking for tools based on them. Ideally there would be some CatScan2 like tool that is based on different database, with higher number of users allowed. Jarek T. User:jarekt [6] [1] http://toolserver.org/~daniel/WikiSense/CategoryIntersect.php [2] http://toolserver.org/~magnus/catscan_rewrite.php [3] https://jira.toolserver.org/browse/DBQ [4] http://commons.wikimedia.org/wiki/Commons:Database_reports [5] https://jira.toolserver.org/browse/DBQ-201 [6] http://commons.wikimedia.org/wiki/User:Jarekt

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jQuery.IME extensions for Firefox and Chrome
by KAUSHAL SINGH 23 May '13

23 May '13

Hello, Resolved and Committed on the Issue 163:Adding Keyboard navigation in jQuery.IME's language selection dropdown list.https://github.com/wikimedia/jquery.ime/issues/163 Here is the Commit:https://github.com/kaushalsingh11/jquery.ime/commit/3ba4a427f8b50432… Have also sent the pull request. Have already posted on BugZilla on 18th May -- With Kind Regards, Kaushal Kumar Singh B.tech Part III Electronics Engineering Indian Institute of Technology, B.H.U, Varanasi INDIA PIN-221005 Mo: +91 - 9839203380 E-Mail : kaushal.ksingh.ece10(a)iitbhu.ac.in kaushal.singh07(a)gmail.com Skype : kaushal.singh07

1 0

Moving a GitHub Pull Request to Gerrit Changeset manually
by Yuvi Panda 22 May '13

22 May '13

Hello! So I tried converting https://github.com/wikimedia/qa-browsertests/pull/1 into a Gerrit changeset (https://gerrit.wikimedia.org/r/#/c/54097/) , and was mostly successful. It is also a relatively painless process - at least for single commits. This assumes you (person doing the GitHub -> Gerrit bridge) have a Gerrit account. I wrote a small script that sortof makes this easy: https://gist.github.com/yuvipanda/5174162 This only does things one time - it moves a set of commits in a pull request to a squashed single commit on gerrit, assuming your current directory is a cloned version of the gerrit repo you want to commit to. It should not to be too hard to write an actual, idempotent sync script that maintains a 1-to-1 correspondence between Pull Requests and Gerrit Changesets, and I'll attempt to do that tomorrow. Note that this is a shitty bash script (to put it mildly) - but that seems to be all I can write at 5:30 AM :) I'll probably rewrite it to be a proper python one soon. That should also allow me to use the GitHub API to also mirror the GitHub Pull Request Title / Description to Gerrit. I also offer to manually sync pull requests into gerrit as they come until the automatic Gerrit integration is ready. Shall be writing another small script tomorrow to have me 'watch' all the wikimedia/* GitHub repositories. Thank you :) I'll update this thread as the script gets less shitty. Do let me know if you have build a far more complete script :) -- Yuvi Panda T http://yuvi.in/blog

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Wikitech-l May 2013