[Ctk-developers] Fwd: Contribution to PythonQt

[Julien Finet]

It makes sense to me. The requirement of the Apache 2 license is for
CTK only. Whatever goes to other libs (Slicer, DCMTK...) should follow
their licenses.
Who can do the most can also do the least :-)
j.

On Tue, Oct 18, 2011 at 11:24 AM, Jean-Christophe Fillion-Robin
<jchris.fillionr at kitware.com> wrote:
> Hi Folks,
>
> Florian Link, from MeVisLab, has been very responsive and, less than 24hours
> following my initial email, already provided me with feedback regarding the
> possible integration of our CTK specific changes. See below.
>
> Its only concern regards the license associated with two of the file I added
> to PythonQt. I added them using CTK license.
>
> Being the author of the files, I have no problem switching the license to
> LGPL so that our contribution can be merged upstream.
>
> 1) I would like to make sure we all agree.
>
> 2) Discuss the licensing of contribution associated with our contribution to
> LGPL libraries.
>
> Thanks for your feedback,
> Jc
>
> ---------- Forwarded message ----------
> From: Florian Link <florian.link at mevis.de>
> Date: Tue, Oct 18, 2011 at 3:02 AM
> Subject: Re: Contribution to PythonQt
> To: Jean-Christophe Fillion-Robin <jchris.fillionr at kitware.com>
> Cc: info at mevislab.de, Dominique Belhachemi <domibel at debian.org>
>
>
> Dear Jean-Christophe,
>
> I had a look at your changes. I suggest the following:
>
> - the warnings/small unicode fixes are not a problem and can be merged
> easily
> - the VTK wrapping should be done by supporting class wrapping callbacks in
> PythonQt,
>   so that the VTK wrapping code can be located outside of PythonQt
>   (I can add those callbacks). You will then have to register your VTK
> wrapping callbacks where you initialize PythonQt.
> - the std in redirection makes sense and can be merged
> - the generator fixes/warnings are ok and can be merged
> - the dPython.h file seems to be a special fix that you did, this should be
> switchable, since some people want a debug Python with using debug PythonQt.
>
> This leaves us with the licensing issue. I can only accept code that you
> submit under the LGPL 2.1, so the Apache 2 license is
> not an option (I don't want PythonQt to get multi-license). Since this only
> regards dPython.h and PythonQtStdIn*,
> I guess you do not have a problem with submitting those under LGPL 2.1?
>
> regards,
> Florian
>
> Am 17.10.2011 16:49, schrieb Jean-Christophe Fillion-Robin:
>
> Dear MevisLab / PythonQt developers,
>
> My name is Jean-Christophe, R&D engineer at Kitware Inc., and I am actively
> involved in the development of Slicer 4.0, a medical multi-platform, free
> open source software for visualization and image computing.
>
> While working on Slicer, a lot of code has been contributed to the open
> source toolkit named CTK. The Common ToolKit (CTK) provides a unified set of
> basic programming constructs that are useful for medical imaging
> applications development. More information are available here:
> http://www.commontk.org
>
> PythonQt being the python scripting "backend" of CTK, we added some code and
> we would like to contribute back.
>
> Dominique Belhachemi, a volunteer Debian packager, is helping us to package
> both CTK and Slicer. He suggested that we contribute back our code so that
> the currently existing PythonQt libraries/packages include our changes.
>
> The list of changes is available here:
> https://github.com/commontk/PythonQt/compare/svn-mirror...patched
>
> It includes:
>   - CMake'ification of the project
>   - Support for VTK python
>
> Would be great if you could let us know if that sounds like a reasonable
> idea or if we should improve anything.
>
> Thanks
> Jc
>
> Cc: Dominique Belhachemi
>
> --
> +1 919 869 8849
>
>
>
> --
> ------------------------------------------------------------------------
> Florian Link
> Chief Software Architect MeVisLab
>
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> Fax:  +49-421-22495 11
> www.mevis.de
>
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>
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