[PyQt] PyQt Licensing

Darren Dale dsdale24 at gmail.com
Wed May 6 17:42:04 BST 2009


On Wed, May 6, 2009 at 10:45 AM, Henrik Pauli <henrik.pauli at gmail.com>wrote:

> On Wednesday 06 May 2009 13:28:15 Attila Csipa wrote:
> > On Wednesday 06 May 2009 12:30:02 Henrik Pauli wrote:
> > > Hmm... I think strictly said, the licensing of the final product and
> the
> > > development model do not have anything to do with each other.
>  Afterall,
> > > it’s not LGPL per se that made Qt’s development model more open, that’s
> > > just a separate, just well timed decision.
> >
> > With Qt this is not the case, it has a very firm stance about development
> > model and it's relation to the final product license. Legally, you cannot
> > start development with a non-commercial Qt license (either community/GPL
> or
> > LGPL) and then switch over to commercial on product release. I believe
> this
> > is why Phil made the licensing change he mentioned - so at least with a
> > commercial license of PyQt you can use the LGPL version of Qt and still
> > make a commercial product. IANAL, correct me if I'm wrong.
> >
>
> I was talking about Qt itself getting developed (by Trolltech / Qt
> Software)
> rather than development *with* Qt.  At least I think that was mostly Mr.
> Corsaire's concern (cf. Phil getting hit by a bus).
>
> Actually, same concern can be expressed towards Detlev too, Eric4, while
> open
> source, the only interface to its development we have is here in the
> mailing
> lists; if something happens to Detlev, there's no public repository so it's
> not possible to continue where he left it, but one would have to go back to
> whatever the last release was.
>

The repository for Eric4 *is* publicly available:
http://eric-ide.python-projects.org/eric4-code.html
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