These four packages seem to be working fine now. I just copied their source (+quagroup) into the "pkg" directory. I also had to issue gap_reset_workspace() in sage. I'll do more extensive tests later, but for now all these packages seem to be fine. Thanks for your help.
On Saturday, September 10, 2016 at 3:31:37 PM UTC-7, Dima Pasechnik wrote: > > > > On Saturday, September 10, 2016 at 10:07:29 PM UTC, multiscalar wrote: >> >> How can I tell if the package I need is safe to add or not? >> These are the ones I'd like to add for now : gbnp,sla,corelg,repsn; are >> these safe? >> if they are, what's the recommended procedure with sage-7.3? >> > The culprit is GAP's LoadDynamicModule (functionality that uses compiled > GAP kernel extensions), I think. > Anything that does not use it, e.g. just pure GAP code (not dependent on > another package that > does use LoadDynamicModule), or GAP code calling standalone executables > (like GRAPE does) > should be OK. > > gbnp and repsn are OK, as it's just pure GAP code. > sla, corelg (and quagroup, a package they require) also look like pure GAP > code. > > To install them, follow the standard GAP procedure to install such a > package, i.e. just unpack the corresponding > archive into pkg/ subdirectory of the GAP install---and GAP in Sage is > installed in > SAGE_ROOT/local/gap/latest/ > > HTH, > Dima > > > > > > > > >> >> On Saturday, September 10, 2016 at 2:41:35 PM UTC-7, Dima Pasechnik wrote: >>> >>> >>> >>> On Saturday, September 10, 2016 at 9:26:02 PM UTC, leif wrote: >>>> >>>> multiscalar wrote: >>>> > Thanks, this is definitely simpler and it worked, but only about half >>>> of >>>> > the packages I use are included. How would I add the other ones? >>>> >>>> Well, if you're a bit familiar with Sage / Python and the shell, take a >>>> look at >>>> >>>> build/pkgs/gap_packages/spkg-install (a shell script) >>>> >>>> and >>>> >>>> src/sage/interfaces/gap.py (especially gap_reset_workspace(), line >>>> 1486 ff.) >>>> >>>> >>>> The wiki page you mentioned is probably outdated, as it was last >>>> updated >>>> in 2013. >>>> >>>> >>>> The first file above starts with >>>> >>>> # WARNING -- if you add a package here, also add it to >>>> # the gap_reset_workspace() command in >>>> # <SAGE_ROOT>/src/sage/interfaces/gap.py >>>> >>>> but AFAICS not all of the GAP packages from the current optional >>>> gap_packages package are actually listed / treated there, no idea why. >>>> >>>> >>>> Otherwise it *may* perhaps help to delete all old GAP workspaces (by >>>> default in $HOME/.sage/gap/) *before* (re)starting Sage, then calling >>>> gap_reset_workspace() again. >>>> >>>> If I'm not mistaken, you could afterwards load the GAP packages you >>>> want, before calling gap_reset_workspace() once again, in order to make >>>> them part of your saved workspace. >>>> >>> >>> there are GAP packages that break libGAP (see my other message in this >>> thread), so you cannot allow a GAP workspace with them to be used by libGAP. >>> >>> This probably can be fixed, or libGAP can be made compatible with them >>> (although the latter is perpetuating what is basically a GAP fork). >>> >>> Dima >>> >>>> >>>> >>>> HTH, >>>> >>>> -leif >>>> >>>> >>>> > I think these days diskspace isn't much of an issue, it would be nice >>>> if >>>> > there are similar commands to install all accepted packages. >>>> > >>>> > On Saturday, September 10, 2016 at 11:46:33 AM UTC-7, John Cremona >>>> wrote: >>>> > >>>> > I just do "sage -i gap_packages" (and "sage -i database_gap") >>>> which >>>> > sounds a lot simpler if it includes the packages you need. >>>> > >>>> > On 10 September 2016 at 18:36, multiscalar <multi...@gmail.com >>>> > <javascript:>> wrote: >>>> > >>>> > I just built sage-7.3 under Centos7. Everything seems to have >>>> > worked well : >>>> > sage comes up fine and a few simple calculations work. The >>>> gap >>>> > part on its won >>>> > also comes up and works with simple tests, but there are no >>>> > packages included. >>>> > >>>> > I'm now trying to add all the gap packages to the gap >>>> component. >>>> > I tried to >>>> > follow the steps in : >>>> > >>>> > https://wiki.sagemath.org/InstallingGapPackages >>>> > <https://wiki.sagemath.org/InstallingGapPackages> >>>> > >>>> > The gap version in sage-7.3 is 4r8p3 which is one version >>>> older >>>> > than the latest gap. >>>> > To play it safe I downloaded the version that matches sage >>>> and >>>> > expanded it in a temporary >>>> > directory. I then started sage shell : >>>> > >>>> > sage -sh >>>> > >>>> > and copied the contents of the "pkg" subdirectory from the >>>> > temporary area to the sage >>>> > area (sage/local/gap/latest/pkg/....). I built a couple of >>>> the >>>> > packages and that worked >>>> > fine. I then exited the sage shell. >>>> > >>>> > Following the instructions I then called sage and typed : >>>> > >>>> > gap_reset_workspace() >>>> > >>>> > I got a "WARNING : this should never happen" and it seems >>>> that >>>> > sage got stuck somewhere. >>>> > Also calling the gap on its own shows that the package >>>> > installation didn't work. >>>> > >>>> > I think this shouldn't be too hard to fix, but I'm out of >>>> ideas. >>>> > >>>> > Thanks for your help. >>>> >>>> >>>> -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
