On 27 November 2013 at 11:51, Thomas Kluyver wrote:
| Can I suggest that we bring the discussion back to rpy2? People have been

Yes please!  The rest of the thread is by now mostly pure trolling.

| arguing about the abstract merits of different licenses for decades, and we're
| not going to resolve that debate here.
| 
| R is GPL licensed, while most of the Python ecosystem in which people use rpy2
| uses BSD style licenses. I'd argue that it doesn't make sense for rpy2 to use 
a
| less permissive license (AGPL) than either of the things it connects. AGPL was
| also designed for things running as web services, and while rpy2 can be used 
on
| a website, it's not the typical way to use it.
| 
| There's a question over whether the GPL license applied to R requires rpy2 to
| be GPL licensed as well. In my opinion, the intent of the GPL does cover rpy2,
| whether or not the letter of it does. The FSF reckons that dynamic linking is
| enough to create a 'combined work': http://www.gnu.org/licenses/gpl-faq.html#
| GPLStaticVsDynamic

This is not mere dynamic linking (of extending something with an occassional,
possibly optional use of something else.)  

This is _embedding_ as RPy2 embeds R from an outer Python application (just
like my RInside project does for C++). 

So you end up _running_ R.  And hence inherit its license. 

This is not my project (and I merely look after its integration into Debian
and thereby also Ubuntu) but I would want to make it very clear that tools
like RPy2 (or RInside) cannot be used to circumvent or weaken the R license.

Dirk

-- 
Dirk Eddelbuettel | e...@debian.org | http://dirk.eddelbuettel.com

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