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Rosetta Code:Village Pump/RC extraction Tool and Task

From Rosetta Code
RC extraction Tool and Task
This is a particular discussion thread among many which consider Rosetta Code.

Summary

Extracting material from RC specific to one language

Discussion

Idea

I would like to be able to include all RC tasks and documentation for a specific langauge (Language of Your Choice = LOYC) in a language distro. In a Contributions/RosettaCode folder.

This could be pulled manually, but ...

There are a bunch of packaging issues including documentation (like task name URL, etc.) that need to be worked out.

Some automation would help but it isn't straight forward and some of it may require more/different access to RC. Getting the automation to do most of the heavy lifting is one possibility, another is to use it to make manual extraction (what changed since the last pull) easier.

Possibilities:

  • Extract all the pages with code for LOYC
  • Extract just the task description and language segment
  • Extract the date the language segment last changed
  • The bits between any <lang XYZ>...</lang> tags --Dgamey 17:30, 2 May 2011 (UTC)
  • Extract the code segments into separate files.

Doing all this from the html could be messy.

It should be possible to extract the raw wiki data using the Edit tab and then abandon the page/edit.--Dgamey 01:59, 12 May 2011 (UTC)
The RC count example provides the right level of access for this. --Dgamey 10:44, 27 May 2011 (UTC)

A read only access to the wiki editor might be easier.

Building some kind of automatic SMW template/pages might make this information more accessible.

Thoughts are appreciated. --Dgamey 13:33, 2 May 2011 (UTC)

What do you mean by "language segment"? There are big plans (not very detailed or solid plans, but plans) to use SMW to add examples to the site. The idea is/was to have each example as its own page with SMW tags for what language it was in, what task it was for, probably a subheading if necessary (e.g. "Iterative" or "Recursive"), and other metadata. A task page would then transclude the content from example pages which implement that task. "Transclusion" was a new concept for me so I will explain it in case it's not clear. Transcluding a page basically copies its wiki-rendered content on to a destination page. In this case it would take the content from an example page and place it (in alphabetical order by language) on the task page. Hopefully we could get edit links to link to the example pages and other little things like that to work, but editing the actual task page would not be an option to edit an example. The task page content would just be "{{task|Category}}Description description. Example input/output. {{template to transclude examples by task name}}". If that sort of system were put in place, the ideas listed here would probably be simple SMW queries. --Mwn3d 15:40, 2 May 2011 (UTC)
That would probably work. But it sounds like it's a way off. --Dgamey 17:30, 2 May 2011 (UTC)
I will probably prepare an example and draft task on this. In that order. If RC changes it should not be a huge re-work. What I would be looking at is if the bot grabs the raw format of a task page that there be some easily recognized header for the language and the bot can pick up the [[task/Language:langaugename]] or [[Language:languagename/taskname]] page in whatever form that takes.
This reorg could cause Icon/Unicon some problems as many of the tasks share code.
All the RC count example tasks will need to be redone. Ouch.
--Dgamey 10:44, 27 May 2011 (UTC)

Concrete Example

I've spoken with the Unicon team and there is some support for including RC material in the Unicon distribution in a dedicated Rosetta directory similar to the IPL and UniLib contributions. The tools I'm imagining could help pull this material out of RC, identify changes, and produce supplementary documentation (like the URL, date posted, referenced libraries, possibly author(s), etc.

I also think that other LOYC might wish to do something similar. Maybe.

It could also make a great task too.

--Dgamey 17:30, 2 May 2011 (UTC)

Licensing Issues

Be aware that content on RC is GFDL licensed. Some contributors dual-license, but the deltas applied by subsequent editors may or may not be. --Michael Mol 13:28, 3 May 2011 (UTC)
Icon/Unicon code tends to be in the public domain and major contributors are aware of that. It's all publicly declared.
Unicon Book (GFDL)
IPL code contains "this file is in public domain"
Unicon is public, but under what licensce I'm unsure (There was NSF funding at one point).
UniLib is also stated in the public domain
The dual license sounds awkward and unworkable. If A adds code with some other license, how can B come along and undo that?
Do we need to 'declare' somewhere (I was intending to) that this is going to happen.
--Dgamey 21:00, 3 May 2011 (UTC)
I do think the dual-license side is extremely difficult to navigate, if not impossible. However, the nature of the dual-license is use-as-this-or-that, and since GFDL is one of those, then treating it as GFDL should be safe. IANAL, but that's what I believe. No content on Rosetta Code has an "invariant" section, as described in the GFDL license. --Michael Mol 13:33, 4 May 2011 (UTC)
I'm not sure how much the Dual Licensing will hold up. Every page clearly states the contents are GDFL and not to contribute non-public domain works. If someone does, and it were found the contributor would have violated the license and the RC terms of use and presumably we would just remove the offending bits. --Dgamey 13:13, 27 May 2011 (UTC)
I agree, and I don't think it's really a worthwhile thing to consider unless someone did not read the directions. The key point I wanted to bring up is that RC content is GFDL, and that includes some frustrating restrictions. --Michael Mol 17:08, 27 May 2011 (UTC)