Sorry to resurrect this thread, but doesn't Spyder depend on Rope (which is GPL licensed and doesn't have the same GPL_EXCEPTION.txt as Qt/PyQt)?
Naveen On Monday, March 21, 2016 at 9:40:07 PM UTC-4, Carlos Córdoba wrote: > > Hi Ronan, > > My answers: > > 1. Spyder is MIT licensed, not GPL (as your last email seems to imply). > 2. Spyder doesn't need to be re-licensed GPL just because it depends on > PyQt (4 or 5). This has been asked before to Phil Thompson (PyQt author), > and he answered that there are no issues with other licenses. Please read > this thread for his answer: > > > https://riverbankcomputing.com/pipermail/pyqt/2014-February/033843.html > > 3. Closed source plugins could be a problem in the future. However, if > companies want to support them, then they can help us to fix our PySide > support. > > So, even if we stopped to *officially* support PySide (although Spyder can > still be used with it if PyQt is not found), there's no need to relicense > it as a GPL project because we are using a GPL-compatible license. > > Lastly, I reached the link I referenced before (on the Python wiki) from > the Riberbank website itself (the company behind PyQt). That's why I > brought it up to this discussion, and why I consider it Riberbank official > postiion on this matter. > > > Cheers, > Carlos > > El 21/03/16 a las 20:16, Ronan Paixão escribió: > > I started this conversation in the half-wrong assumption that Spyder > should change license if dropping PySide. > > The assumption was half-wrong because Spyder may be licensed as whatever > the devs want. I personally like it being BSD, so that I can also > contribute to it (I don't much like the GPL anymore). However, if using the > GPL version of PyQt (which most of us are doing, unless someone out there > has a commercial license to PyQt), then Spyder must be *distributed *under > the GPL to comply with is as a derivative work. > > That means that if people write closed-source plugins, they cannot > distribute them outside their own organization unless they have a > commercial license to PyQt or distribute the whole package as GPL. > > With PySide support that was not a concern, since PySide is LGPL. > > Also, Carlos is right. He can't deal with PySide's quirks alone. Either > someone else steps up to support PySide or we all just hope PySide*2* > <https://github.com/PySide/pyside2> gets its things together (it does > seem to have some support for Qt5, contrary to popular belief). > > 2016-03-21 21:49 GMT-03:00 <[email protected] <javascript:>>: > >> Isn't this all independent of Spyder? Spyder doesn't bundle PyQt, AFAIK. >> And if you distribute PyQt not as GPL, then you need a commercial license >> whether it include Spyder or something else. >> >> Having spyder as BSD allows free sharing of related code among python >> packages which are dominantly BSD compatible in the scientific area. >> >> Josef >> >> >> On Mon, Mar 21, 2016 at 8:32 PM, Ronan Paixão < <javascript:> >> [email protected] <javascript:>> wrote: >> >>> A quote from the GPL FAQ >>> <http://www.gnu.org/licenses/gpl-faq.en.html#WhatDoesCompatMean>: >>> >>> All GNU GPL versions permit such combinations privately; they also >>>> permit distribution of such combinations provided the combination is >>>> released under the same GNU GPL version. The other license is compatible >>>> with the GPL if it permits this too. >>>> >>> >>> I interpret this to mean: you must license the combination as GPL. So, >>> Spyder itself can be developed in another license, but if used in >>> conjunction with PyQt, any *distribution *must be done as GPL. Non-open >>> plugins can be used privately (but not distributed as closed). I don't >>> really thinkg there's much difference between PyQt4 and PyQt5 GPL >>> licensing. I don't see exceptions either (the non-Commercial exception in >>> the wiki is only for Qt 2.3.0 on Windows). >>> >>> I wouldn't take a page from the Python wiki (not from Riverbank) as >>> authoritative on the matter. The Riverbank license FAQ >>> <https://www.riverbankcomputing.com/commercial/license-faq> refers >>> pretty clearly to the GPL FAQ above. >>> >>> 2016-03-21 10:15 GMT-03:00 Carlos Córdoba < <javascript:> >>> [email protected] <javascript:>>: >>> >>>> @Anatoly: If you want to use your closed source plugins with Spyder, >>>> please help us to fix our PySide support, that's all. I said this to you >>>> several times, I don't know why you make me to repeat it: PySide support >>>> is not >>>> gone, it just will have to come from the community. We don't have time >>>> to support three different Python Qt bindings (specially one that it's not >>>> ready for Qt5), so we're relying on the community for the least used one. >>>> >>>> @Ghislain: You're referencing the *commercial* section of the PyQt >>>> licensing page, not the open source one. The wiki page I cited before is >>>> quite clear about the licenses allowed for projects that depend on PyQt, >>>> and it doesn't make a distinction between PyQt4 and PyQt5. Please stop >>>> spreading FUD. >>>> >>>> >>>> Cheers, >>>> Carlos >>>> >>>> El 21/03/16 a las 06:09, Ghislain Vaillant escribió: >>>> >>>> Quoting the Riverbank FAQ [1]: >>>> >>>> Q. >>>> >>>> What are the implications of using the GPL version of PyQt? >>>> A. >>>> >>>> To understand your obligations when using GPL code with your >>>> application see the GPL FAQ <http://www.gnu.org/licenses/gpl-faq.html>. >>>> >>>> [1] <https://www.riverbankcomputing.com/commercial/license-faq> >>>> https://www.riverbankcomputing.com/commercial/license-faq >>>> >>>> So, using PyQt5 makes you abide to the GPL (v3). A release of Spyder >>>> which depends on PyQt5 (which is GPL) would then be considered a combined >>>> work and need to be licensed under the GPL too. >>>> >>>> The situation was different with PyQt4, because of the added exceptions >>>> Carlos is referring to. However, these are absent in PyQt5. >>>> >>>> Ghis >>>> >>>> >>>> Le lundi 21 mars 2016 02:37:55 UTC, Carlos Córdoba a écrit : >>>>> >>>>> Hi, >>>>> >>>>> Nop, that's not true. The only requirement imposed by PyQt to open >>>>> source projects depending on it is that their licenses be compatible with >>>>> the GPL. This is clearly mentioned in the PyQt wiki: >>>>> >>>>> <https://wiki.python.org/moin/PyQt/PyQtLicensing> >>>>> https://wiki.python.org/moin/PyQt/PyQtLicensing >>>>> >>>>> >>>>> Cheers, >>>>> Carlos >>>>> >>>>> El 20/03/16 a las 20:14, Ronan Paixão escribió: >>>>> >>>>> Have you considered the licensing implications? PyQt is GPL, and >>>>> actually *depending* on it (instead of using it as one of two possible >>>>> options) would require Spyder itself to be released as GPL, wouldn't it? >>>>> >>>>> 2015-12-29 1:55 GMT-02:00 Carlos Córdoba <[email protected]>: >>>>> >>>>>> Hi all, >>>>>> >>>>>> Since today, we officially stopped to support PySide in the Spyder >>>>>> master branch (i.e. in the future Spyder 3.0, Spyder 2.3 still works >>>>>> fine >>>>>> with it though). This means that: >>>>>> >>>>>> 1. If PySide is found in your system, and PyQt5 nor PyQt4 are >>>>>> installed, Spyder will try to use it. But at the moment, our master >>>>>> branch >>>>>> has several crashes with PySide that we don't plan to solve (at least >>>>>> not >>>>>> me, other core developers have shown interest in doing that but nothing >>>>>> has >>>>>> happened so far :-). >>>>>> 2. We're not going to solve more bugs related to PySide in the future >>>>>> (again, at least not me :-) >>>>>> 3. Support for it will have to come from the community. >>>>>> >>>>>> The reasons for taking this decision are explained in the link >>>>>> referenced by Anatoly, in case someone wants to know them. Nobody is >>>>>> getting paid to support only PyQt (4 or 5). It was just a pragmatic >>>>>> decision based on the amount of time the development team has to support >>>>>> several Python Qt bindings. Given that we're now supporting PyQt5 (and >>>>>> that >>>>>> PyQt5 is going to be our default choice for Spyder 3.0), we don't have >>>>>> time >>>>>> to support both PyQt4 and PySide. And because of the uncertainty of >>>>>> PySide's future, we decided to not support it anymore. >>>>>> >>>>>> >>>>>> Cheers, >>>>>> Carlos >>>>>> >>>>>> El 28/12/15 a las 18:04, anatoly techtonik escribió: >>>>>> >>>>>> <https://github.com/spyder-ide/spyder/pull/2886> >>>>>> https://github.com/spyder-ide/spyder/pull/2886 >>>>>> >>>>>> Hey guys, where is the discussion about that? >>>>>> I am just curios - does anybody is getting paid >>>>>> to make Spyder work only with PyQt4? >>>>>> >>>>>> Yes. PySide needs more companies interested >>>>>> in this binding to support this initiative, but the >>>>>> project is far from being dead. >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "spyder" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to [email protected]. >>>>>> To post to this group, send email to [email protected]. >>>>>> Visit this group at <https://groups.google.com/> >>>>>> https://groups.google.com/group/spyderlib. >>>>>> For more options, visit <https://groups.google.com/d/> >>>>>> https://groups.google.com/d/optout. >>>>>> >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "spyder" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to [email protected]. >>>>>> To post to this group, send email to [email protected]. >>>>>> Visit this group at <https://groups.google.com/group/spyderlib> >>>>>> https://groups.google.com/group/spyderlib. >>>>>> For more options, visit <https://groups.google.com/d/> >>>>>> https://groups.google.com/d/optout. >>>>>> >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "spyder" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to [email protected]. >>>>> To post to this group, send email to [email protected]. >>>>> Visit this group at <https://groups.google.com/group/spyderlib> >>>>> https://groups.google.com/group/spyderlib. >>>>> For more options, visit <https://groups.google.com/d/optout> >>>>> https://groups.google.com/d/optout. >>>>> >>>>> >>>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "spyder" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to <javascript:>[email protected] <javascript:>. >>>> To post to this group, send email to <javascript:> >>>> [email protected] <javascript:>. >>>> Visit this group at <https://groups.google.com/group/spyderlib> >>>> https://groups.google.com/group/spyderlib. >>>> For more options, visit <https://groups.google.com/d/optout> >>>> https://groups.google.com/d/optout. >>>> >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "spyder" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to <javascript:>[email protected] <javascript:>. >>>> To post to this group, send email to <javascript:> >>>> [email protected] <javascript:>. >>>> Visit this group at <https://groups.google.com/group/spyderlib> >>>> https://groups.google.com/group/spyderlib. >>>> For more options, visit <https://groups.google.com/d/optout> >>>> https://groups.google.com/d/optout. >>>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "spyder" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected] <javascript:>. >>> To post to this group, send email to <javascript:> >>> [email protected] <javascript:>. >>> Visit this group at <https://groups.google.com/group/spyderlib> >>> https://groups.google.com/group/spyderlib. >>> For more options, visit <https://groups.google.com/d/optout> >>> https://groups.google.com/d/optout. >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "spyder" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To post to this group, send email to <javascript:> >> [email protected] <javascript:>. >> Visit this group at https://groups.google.com/group/spyderlib. >> For more options, visit https://groups.google.com/d/optout. >> > > -- > You received this message because you are subscribed to the Google Groups > "spyder" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] <javascript:>. > To post to this group, send email to [email protected] > <javascript:>. > Visit this group at https://groups.google.com/group/spyderlib. > For more options, visit https://groups.google.com/d/optout. > > > -- You received this message because you are subscribed to the Google Groups "spyder" group. 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