Hi JCC developers,

As this discussion could be of potential interest of others who makes python
modules using jcc I cross post it.

I am really not experienced in the licensing issues of open source, closed
source etc.

A JCC generated external java library .egg, do contain some JCC code, is
there something I need to do to ensure that the JCC license is fulfilled?

In my case the wrapped library is also in apache, so I guess it should not
be an issue to put the egg under apache?

Regads
/Petrus

---------- Forwarded message ----------
From: Petrus Hyvönen <petrus.hyvo...@gmail.com>
Date: Fri, Sep 9, 2011 at 10:33 AM
Subject: Re: [Orekit Developers] Distribution of orekit-python "egg"
To: orekit-develop...@orekit.org


Hi Luc,

Good to hear, I think it is good with an easy-entry to the orekit through
python.

I really don't know much about the licensing stuff.

- My work in this process is rather minimal, issuing the right command line
parameters.
- The JCC tool that I use for wrapping is under apache 2.0 license as well.
http://pypi.python.org/pypi/JCC/
- orekit and common maths library are included in the egg. (common math
assumed to be under apache as well)

Microsoft compiler has been used in the process, but as I understand this
does not affect the licensing?

Please send me the paper and I can understand it better, I am not really
clear right now what the actual content of the authorization is about.

Regards
/Petrus




On Fri, Sep 9, 2011 at 10:04 AM, MAISONOBE Luc <luc.maison...@c-s.fr> wrote:

> Hi Petrus,
>
> Petrus Hyvönen <petrus.hyvo...@gmail.com> a écrit :
>
>
>  Hi,
>>
>> This is mostly a legal/policy question,
>>
>> Would the license of orekit allow and would it be preferred that I create
>> some python "eggs" (python installer packages) for orekit?
>>
>
> The license allow it and it would be interesting to do.
>
>
>
>  I am using JCC to
>> wrap orekit java library so it is accessible from standard python. All
>> instructions needed are on the orekit wiki.
>>
>> After an update to python 2.7 and rebuilding of the wrapping, I realized
>> that there is some caveats involved on at least windows operating system
>> (such that you need microsoft visual C installed) to create the wrapping,
>> but not to run it.  When built I can easily make the eggs that could be
>> put
>> on the orekit or other webpage and easily installed, without the need of
>> that compiler etc.
>>
>
> If you want it and if you choose to have all additional wrapping code and
> packaging distributed under the sames terms as Orekit, i.e. the Apache 2
> Software License, then yes, we could host them here in the main Orekit site.
> You would of course be credited for that. Before we can really distribute
> your work, we would ask you to sign a Individual Contributor License
> Agreement which basically say you authorize us to distribute what you did.
> We follow exactly the same process as the Apache Software Foundation for
> that. I can send you the template of the paper.
>
> Thanks
> Luc
>
>
>
>> Let me know what you think
>> /Petrus
>>
>>
>
>
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>


-- 
_____________________________________________
Petrus Hyvönen, Uppsala, Sweden
Mobile Phone/SMS:+46 73 803 19 00



-- 
_____________________________________________
Petrus Hyvönen, Uppsala, Sweden
Mobile Phone/SMS:+46 73 803 19 00

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