[Debian-science-sagemath] Jupyter notebook dependency

[Dima Pasechnik]

IIRC, one would also need an iPython update (which is held up by
iPython stopping Python2 support)

On Mon, Jul 22, 2019 at 5:15 PM Ximin Luo <infinity0 at debian.org> wrote:
>
> Gordon Ball:
> > Sagemath currently builds the package sagemath-jupyter, which in turn
> > depends on python-notebook (ie, the python 2 notebook server).
> >
> > Jupyter notebook 6.0 has recently been released, which drops support for
> > python 2.7.
> >
> > Looking in the source for sagemath, the only place I can find where the
> > notebook is directly imported from is in
> > src/sage/repl/ipython_kernel/install.py:313, then only to test whether
> > the notebook server is installed. In the debian package, this file looks
> > superfluous to me. This suggests it should be possible to depend on the
> > python3 notebook server without compromising the ability to run the
> > custom sagemath python2 kernel. (It's possible my fairly simple search
> > here has missed some deeper entanglement).
> >
> > Would it be possible to change the notebook dependency so that I can
> > update jupyter-notebook without causing uninstallable?
> >
>
> This sounds reasonable, but you may want to test more deeply by building it and also running it afterwards as a user. Fancy dynamic-import tricks are possible in Python although I don't remember that Sage does any of that stuff.
>
> X
>
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