On Wed, Mar 10, 2010 at 3:25 PM, Brian Granger <ellisonbg....@gmail.com> wrote: > William, > > I have contacted all of the devs who are listed on the hg logs of the > relevant files (interrupt.h/interrupt.c) and asked them if they would be OK > re-licensing their contirbutions to these files under a Cython friendly > license. All the responses I got were positive: > > Martin Albrecht: "I'm happy to re-license my contribution." > Gonzalo Tornaria: "I'm ok with relicensing" > David Harvey: "Sure. Whatever license you normally use for Cython is > fine." > Craig Citro: "I'm happy to relicense any code that I wrote to anything > everyone else is happy with." > Joel Mohler: It doesn't look like touched the code, but did have a diff > in which he moved the files. I have > contacted him as well, but I am not sure this is needed. If you want to > wait to hear from him that is fine. > > Are you OK with moving forward with the re-licensing of these two files?
Yes. > I > am not sure what license would be best, but > my guess is that Apache would work as Cython is released under this license. > > If you are OK with this plan, could you (or another sage dev) change the > copyright and license of these two files in the main Sage repo? Also, it > would probably be a good idea of list all of these contributors as copyright > holders in these files, so this information doesn't get lost when the files > are moved to Cython. I'm fine with anybody else doing that. > Once the license has been changed I will begin to port them over to Cython > and add Windows support. Cool! > > Cheers and thanks everyone! > > Brian > > On Wed, Mar 10, 2010 at 1:10 PM, Ondrej Certik <ond...@certik.cz> wrote: >> >> On Wed, Mar 10, 2010 at 12:32 PM, Brian Granger <ellisonbg....@gmail.com> >> wrote: >> > Ondrej, >> > >> > On Wed, Mar 10, 2010 at 12:25 PM, Ondrej Certik <ond...@certik.cz> >> > wrote: >> >> >> >> On Wed, Mar 10, 2010 at 11:18 AM, Robert Bradshaw >> >> <rober...@math.washington.edu> wrote: >> >> > On Mar 10, 2010, at 11:01 AM, Brian Granger wrote: >> >> > >> >> >> Hello all, >> >> >> >> >> >> In the older Cython docs here: >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> http://modular.math.washington.edu/home/was/www/home/gfurnish/old/sage-3.0.6/doc/prog/node55.html >> >> >> >> >> >> The _sig_on and _sig_off macros are mentioned. But, when I try >> >> >> these >> >> >> in >> >> >> current Cython it fails. I found this >> >> >> thread started by Ondrej a few years ago: >> >> >> >> >> >> http://codespeak.net/pipermail/cython-dev/2008-November/003081.html >> >> >> >> >> >> in which William brought up the possibility of moving the relevant >> >> >> code >> >> >> from Sage to Cython. William, >> >> >> are you willing to relicense the interrupt.h and interrupt.c >> >> >> functions >> >> >> under LGPL or another license >> >> >> that would allow their inclusion in Cython and other Cython using >> >> >> projects? I would like to port these >> >> >> to Cython and try to add Windows support. >> >> > >> >> > That would be great! >> >> >> > >> >> >> >> This would really be great! I didn't have time to finish this, but it >> >> annoys me a lot in our solvers, that I can't kill it easily. >> >> >> > >> > Yep, I have the same issue. >> > >> >> >> >> The only problem in my case is that I am mixing Python and C++ too >> >> much, I don't know what happens if you do >> >> >> >> _sig_on >> >> # some C++ stuff, that calls Python.... >> >> _sig_off >> > >> > Hopefully we will find out! Might be a bit messy though. >> >> essentially, 98% of the time is spent in pure C++ code, but then it >> calls some Python at the end (for convert matrices to different >> formats using scipy etc.) internally. So once it gets into python, >> then ctrl-C works fine (raises an exception, that gets propagated into >> a C++ exception, that gets converted back to a Python exception and >> all is fine), but that 98% don't work with ctrl-C. So maybe this >> _sig_off can somehow get called from my Python() class in C++, that >> handles the interaction with Python. >> >> I've looked into the pynac and only expression.pyx contains >> sig_off/sig_on, for example in the _derivative(). So either >> _derivative will never invoke any python code, or it works. >> >> Ondrej >> >> -- >> 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 > -- William Stein Associate Professor of Mathematics University of Washington http://wstein.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
