On Sat, Mar 25, 2023 at 8:56 PM Emmanuel Charpentier <emanuel.charpent...@gmail.com> wrote: > > Ahem... There are two components to consider : > > - the package by itself > > - its interface to Sagemath. > > Case in point : the Mathematica interface, which is standard (*i. e.* > installed in all cases), but active if and only if Mathematica (or the > Wolfram engine) is present in the target system. > > This distinction has not been made in the case of R. I do not know if `rpy2` > can be installed in a system not having R.
It cannot - it needs R headers and R dynamic library to build. > > A possible solution could mimin the mathematica interface, which raises an > exception when called on an system without a mathematica engine installed : > it prints an inforrmative message > pointing to the possible solutions of the problem... > > HTH, > Le samedi 25 mars 2023 à 21:44:31 UTC+1, Matthias Koeppe a écrit : >> >> I've opened issue https://github.com/sagemath/sage/issues/35347 for this >> >> >> On Saturday, March 25, 2023 at 1:40:19 PM UTC-7 Matthias Koeppe wrote: >>> >>> On Saturday, March 25, 2023 at 12:52:00 PM UTC-7 Dima Pasechnik wrote: >>> >>> I propose to introduce the notion of semistandard package. >>> >>> >>> "Semistandard" sounds good to me. >>> >>> We have a few more packages that are of this type: >>> - sqlite is only installed if we build our own copy of python3 >>> - openssl is only installed if we build our own copy of python3 or curl >>> >>> And some packages can probably be promoted from "optional" to >>> "semistandard". >>> - jupymake - should probably be installed when a system polymake is found >>> - more to come as part of the modularization. >>> >>> > > -- > You received this message because you are subscribed to the Google Groups > "sage-devel" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-devel+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sage-devel/9e8df3f3-9cd3-4818-8760-9d072bb295cdn%40googlegroups.com. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/CAAWYfq30dFxVDKvbADY%3Dt%3DxjFifhBccP_v8%2BUfzDAHQDw6vVXA%40mail.gmail.com.
