On 29 May 2012 22:15, David Joyner <wdjoy...@gmail.com> wrote: > On Tue, May 29, 2012 at 5:10 PM, mmarco <mma...@unizar.es> wrote: >> I have contacted the author of the kbmag package (which has no >> copyright note at all), and he told me that "it is distributed under >> no license, it is completely open source". I have asked him permission >> to distribute it under the gpl license. So i have a legal question: >> would it be enough if he gave me permission to do so to include it in >> sage (either in the gap_packages spkg or in a separated package)? >
If it would help, he (Derek Holt) has an office a few yards from mine here in Warwick, and I could talk to him. John > > Yes, but better would be to send him the actual text of the license > (summarized in a paragraph inside the email) and ask him to explicitly > agree to it or not. It would also be nice if you could get him to > agree to GPLv2+, which means > "GPLv2 or later". > > >> >> On 29 mayo, 13:30, mmarco <mma...@unizar.es> wrote: >>> You are right, i didn't think about the license. Still, my point is >>> valid even if we restrict it to GPL gap packages. >>> >>> On May 29, 12:54 pm, David Joyner <wdjoy...@gmail.com> wrote: >>> >>> >>> >>> >>> >>> >>> >>> > On Tue, May 29, 2012 at 5:50 AM, mmarco <mma...@unizar.es> wrote: >>> > > One of the complains i have heard from my colleagues that use sage >>> > > (and i have noticed myself) is the lack of certain gap packages in the >>> > > sage distribution. There is an spkg with some of them, but most are >>> > > missing. Also, it is not easy to find documentation on how to install >>> > > gap packages in the sage installation. I propose some possible >>> > > solutions for that (not necesarily exclusive): >>> >>> > > 1) increase the amount of gap packages in the gap_packages spkg >>> >>> > The GAP packages have various distribution licenses. Just because they >>> > are distributed on gap-system.org doesn't mean anyone can distribute >>> > them. It depends on the license. You could either check that the >>> > redistribution is allowed (eg, if the package is GPL'd) or, if needed, >>> > contact the package authors directly. Alternatively, you might be >>> > able to write a script (using wget?) which downloads the packages >>> > from the GAP website then installs them automatically. >>> >>> > > 2) Do some extra spkg's, maybe one for each gap package? >>> > > 3) Related with the previous one: write some quick guide on how to >>> > > make those extra spkg's, and add it to the documetation (maybe tthe >>> > > wiki would be a good place for that). I know there is a chapter on the >>> > > developement guide about spkg's, but in this case i mean something >>> > > like an easy step-by-step guide. This could be useful for people that >>> > > want to add a certain gap package, and also their effort can be reused >>> > > if those packages are collected somewhere. >>> > > 4) Just write some documentation on how to install gap packages by >>> > > hand. >>> >>> > > I can volunteer for both options 2 or 3 (and maybe 4, although i am >>> > > sure there are some people that would do much better than me), but i >>> > > would like to know what people think first. >>> >>> > > -- >>> > > To post to this group, send an email to sage-devel@googlegroups.com >>> > > To unsubscribe from this group, send an email to >>> > > sage-devel+unsubscr...@googlegroups.com >>> > > For more options, visit this group >>> > > athttp://groups.google.com/group/sage-devel >>> > > URL:http://www.sagemath.org >> >> -- >> To post to this group, send an email to sage-devel@googlegroups.com >> To unsubscribe from this group, send an email to >> sage-devel+unsubscr...@googlegroups.com >> For more options, visit this group at >> http://groups.google.com/group/sage-devel >> URL: http://www.sagemath.org > > -- > To post to this group, send an email to sage-devel@googlegroups.com > To unsubscribe from this group, send an email to > sage-devel+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/sage-devel > URL: http://www.sagemath.org -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
