[PySide] PySide Digest, Vol 37, Issue 5

Charlie - DVP ceg at redaction-developpez.com
Tue Feb 10 15:21:59 CET 2015


I could be wrong, but it is quite possible to sell an application 
created with the free version of PyQt under GPL:

Obviously, it is also possible not to sell the application;).

-  Charlie
Le 10/02/2015 12:00, pyside-request at qt-project.org a écrit :
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> Today's Topics:
>     1. Re: PySide Is Dead? (Stephan Deibel)
> ----------------------------------------------------------------------
> Message: 1
> Date: Tue, 10 Feb 2015 00:07:10 -0500
> From: Stephan Deibel <sdeibel at wingware.com>
> Subject: Re: [PySide] PySide Is Dead?
> To: Robert Vinluan <rvinluan at sidefx.com>
> Cc: pyside at qt-project.org, Jeff Hoogland <JeffHoogland at Linux.com>
> Message-ID: <54D991FE.6030802 at wingware.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> Stephan Deibel wrote:
>> Most of the more serious and heavily invested current users of PySide
>> are there because of licensing issues in PyQt and thus can't just move
>> over to PyQt.  The key issue is that if someone sells a product with a
>> scripting API then PyQt requires paying a per-user licensing fee.  Not a
>> large one, but it's still a problem for some, for example if you're
>> giving away a lot of free licenses on the side, or just want to avoid
>> this sort of entanglement.  I doubt that is going away, but if it does
>> than so may PySide.
> I just found out that the above statement (by me, earlier today) is no
> longer true!
> Licensing for the commercial version of PyQt now allows Python to be
> used to script or extend the functionality of the commercial application
> by its users.  You just need to purchase developer licenses for the
> people writing the commercial app itself, and due to Qt commercial
> licensing details you need to use the LGPL version of Qt.
> See the 7th Q on http://www.riverbankcomputing.com/commercial/license-faq
> I've also had confirmation of this via email from PyQt's author, Phil
> Thompson.
> I don't know if my prediction that this means the end of PySide is true
> either, but it certainly changes the landscape considerably...
> - Stephan
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> End of PySide Digest, Vol 37, Issue 5
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