On Tue, 7 Jan 2020, 06:04 William, <wst...@gmail.com> wrote: > This is just some clarification and remarks related to what Karl wrote, > and not really super relevant to this thread... > > On Monday, January 6, 2020 at 7:17:16 AM UTC-8, kcrisman wrote: >> >> Because a lot of Sage users are also developers (presumably a higher >> proportion than for Python or Mathematica!), a lot of Sage work has had >> developers in mind. However, I think it is pretty important to pay >> attention to the users, the vast majority of whom we don't ever hear from, >> since they aren't paying for Sage. >> >> As an example, if there were a coordinated strategy that a company would >> make, I can't imagine that there wouldn't have been two versions of Sage >> cell server going at once - or even an addition (temporary) to the >> drop-down menu saying "Sage with Python 2", for transitioning. >> > > For CoCalc (run by a company), we have many different versions of Sage > installed for projects to use. For Jupyter notebooks, users just > explicitly select whatever version they want (via kernel selection), and it > stays selected unless they change it. For the sage command line, we have a > "sage_select" command to set the default, or the user can type > "sage-[version]" to get a specific version. > > /ext/bin/sage_select <version> > Available versions: develop, 8.2, 8.3, 8.4, 8.5, 8.6, 8.7, 8.8, 8.9, 9.0 >
you could add something like 9.0_py2, as 9.0 is still meant to be fully functional with Python 2. > > For Sage worksheets, they just use whatever is "sage" in the PATH, which > is a problem since there's a TON of python2 content used on cocalc, much > made by paying customers (with thousands of students), so we can't break > it. We've been discussing how to move forward, slowly but surely, here > https://github.com/sagemathinc/cocalc/issues/4212/. It's a confusing and > tricky problem because Sage worksheets don't encode the version of Sage > they use (dumb design decision by me) -- Jupyter is much better in this > regard. In any case, we don't have the luxury of break things for our > paying customers. > > >> I don't know if I want to ask the very capable, but very busy, Andrey N. >> to do that! But once again, sage-devel will never know, because the users >> didn't pay anything, >> > > Users (at least UTMOST) does sometimes pay a little bit to cover some > hosting (thanks NSF!), but it doesn't cover what Andrey does, and I fully > support his decision. I wish I had the money to pay to support maintenance > of other versions of the Sage cell server, but I don't. > > William > > -- > 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/99d1c833-d393-46b0-a7d3-72e184ba047b%40googlegroups.com > <https://groups.google.com/d/msgid/sage-devel/99d1c833-d393-46b0-a7d3-72e184ba047b%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- 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/CAAWYfq3DNNNO_5hdv6KgRwQpk2ZCkP1shaArgkseBw%3DAGG9f_Q%40mail.gmail.com.
