On Wed, May 30, 2012 at 4:44 AM, John Cremona <john.crem...@gmail.com> wrote: > 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.
That would be great! Does he mean public domain by "no license"? Thanks. > > 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 -- 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
