[PyQt] Deploying commercial PyQt app

Petar petar.djetlic at gmail.com
Thu Oct 23 21:13:31 BST 2014


Phil Thompson-5 wrote
> One misunderstanding to clear up...
> 
> PyQt4 includes an exception to the GPL that means that you can use your 
> closed source application with the GPL version of PyQt - so long as your 
> closed source application was developed with the commercial version of 
> PyQt. This was done to allow commercial applications to be packaged for 
> Linux but use the distro's PyQt packages (although personally I wouldn't 
> take the risk of introducing such external dependencies).
> 
> The exception does not apply to PyQt5 - but that is just an omission on 
> my part and can be rectified. The whole licensing issue needs revisiting 
> with Digia's changing use of the LGPL etc. For that I need to find a 
> knowledgable lawyer...
> 
> Phil
> _______________________________________________
> PyQt mailing list    PyQt at riverbankcomputing.com
> http://www.riverbankcomputing.com/mailman/listinfo/pyqt

Thanks for your answer.

I don't fully understand it, does it mean I can buy commercial version (for
PyQt4), develop my app with PyQt GPL (or if there is a commercial version,
what's the difference) installed on my developer computer and deploy my app
in a way to install on user's computer Python, PyQt GPL and my app (just .py
or .pyc files, or does it have to be closed app, how closed). Is it ok?

I don't bother installing all those dependencies on user's computers. It's
not a problem to me. I maintain those computers on a regular basis through
Teamviewer. It's a controlled environment, I work for my customers for years
and develop apps for them (in other dev tools). I'm (for now) only
interested in deploying PyQt Windows desktop apps.

Concerning PyQt5, it would be great to have the same possibility.

Petar




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