Re: how to use r-keras?

[Ricardo Wurmus]

Hi Simon,

> On sam., 30 mars 2024 at 00:27, Ricardo Wurmus <rekado@elephly.net> wrote:
>
>>> $ guix shell r r-keras -C python-minimal r-reticulate tensorflow
>>
>> Is this with tensorflow from guix-science?  The old Tensorflow 1.9 in
>> Guix does not provide Keras.  Only the more recent one in Guix Science
>> does.
>
> Using Guix 929ddec, it fails as reported previously; using
> tensorflow@1.9.0.  Let try with tensorflow@2.13.1.
>
> Well, although I have guix.bordeaux.inria.fr as substitutes, I had to
> rebuild tensorflow.  Ouch!

This appears to be a common problem, but we don't know why.  It's
probably related to the bazel-build-system.  You'll get substitutes only
if you use `--no-grafts'.


> Then I get this:
>
> --8<---------------cut here---------------start------------->8---
> $ guix time-machine -C channels.scm -- shell -C r r-keras -C
> python-minimal r-reticulate tensorflow@2.13.1

You need python-tensorflow (also from guix-science), not just the
tensorflow library.

-- 
Ricardo