[Zope-dev] ZPL and GPL licensing issues

[Bill Anderson]

On 21 Jun 2001 17:18:40 +0200, Federico Di Gregorio wrote:
> On 21 Jun 2001 11:08:30 -0400, Jim Penny wrote:
> [snip]
> > OK, consider this from another point of view.  If I have an operating
> > system may I install a piece of GPL software on the operating system?
> > May I redistribute the operating system?  With the GPL software?
> > May I invoke/run the GPL software?
> > 
> > My understanding is that the answer to every one of these is yes.
> 
> yes. only if it is free. only if it is free. yes, but only because gpl
> allows for gpl code linking with the major components of the os even if
> they are proprietary.
> 
> > May I modify the GPL software and distribute it without giving
> > downstream the same opportunity.  Clearly no.
> > 
> > Now, s/operating system/zope/g
> > 
> > Do the answers to the questions change?  And, if so, why?
> > 
> > >From my perspective, and I think from fog's the answer is that
> > it should not change the answers.
> 
> err, no. if you write an external module using only python code, as long
> as you use a gpl-compatible python to run zope, you can call your

No, No, no, NO!

The License of PYTHON only applies to modifications, derivations, etc.
of _PYTHON_, NOT anything _written_ in it.


(BTW, according to the gnu site, Python 2.0.1 and 2.1.1 (and later) ARE
GPL-compatible :)

Bill