Hi,

I played with cl-jupyter:install but it heavily depends on Quicklisp
but what basically does - generates simple JSON with CL implementation
https://github.com/yitzchak/common-lisp-jupyter/issues/78

First I tried to do the same during build phase by evaluationg
arbitrary Lisp but could not manged it to work.
Then after checking the kernel.json I just simply formated it with
right %lispt-type path and copied with the same evaluation as R
Jupyter package, but I've got some error during coping into Jupyter
directory:

--8<---------------cut here---------------start------------->8---
phase `generate-kernelspec' succeeded after 0.0 seconds
starting phase `install-kernelspec'
command "jupyter" "kernelspec" "install" "--name" "cl-jupyter"
"--prefix" "/gnu/store/xjqxskiqjlzirlg478gnlp7x6w2jcz63-sbcl-common-lisp-jupyter-0.1.0-4.ba9f0e7"
"/gnu/store/xjqxskiqjlzirlg478gnlp7x6w2jcz63-sbcl-common-lisp-jupyter-0.1.0-4.ba9f0e7/share/cl-jupyter/kernelspec"
failed with status 127
builder for `/gnu/store/azl65q1bl2pv920fmgw6d8k0brsx6hdg-sbcl-common-lisp-jupyter-0.1.0-4.ba9f0e7.drv'
failed with exit code 1
build of /gnu/store/azl65q1bl2pv920fmgw6d8k0brsx6hdg-sbcl-common-lisp-jupyter-0.1.0-4.ba9f0e7.drv
failed
View build log at
'/var/log/guix/drvs/az/l65q1bl2pv920fmgw6d8k0brsx6hdg-sbcl-common-lisp-jupyter-0.1.0-4.ba9f0e7.drv.bz2'.
guix build: error: build of
`/gnu/store/azl65q1bl2pv920fmgw6d8k0brsx6hdg-sbcl-common-lisp-jupyter-0.1.0-4.ba9f0e7.drv'
failed
(guix/linux-gnu)[sharlatan@guxtil ~/Projects/prj/guix-channel]$:
jupyter kernelspec install --name cl-jupyter --prefix
/gnu/store/xjqxskiqjlzirlg478gnlp7x6w2jcz63-sbcl-common-lisp-jupyter-0.1.0-4.ba9f0e7
/gnu/store/xjqxskiqjlzirlg478gnlp7x6w2jcz63-sbcl-common-lisp-jupyter-0.1.0-4.ba9f0e7/share/cl-jupyter/kernelspec
Traceback (most recent call last):
  File "/gnu/store/30ydqwp1xccqzn5s4rcq4clpqzcaz3p1-python-jupyter-client-6.1.12/bin/.jupyter-kernelspec-real",
line 11, in <module>
    load_entry_point('jupyter-client==6.1.12', 'console_scripts',
'jupyter-kernelspec')()
  File "/gnu/store/ih0jscm3ilqn2r33ms8014ap26jhjfqa-python-traitlets-4.3.3/lib/python3.8/site-packages/traitlets/config/application.py",
line 663, in launch_instance
    app.initialize(argv)
  File "<decorator-gen-2>", line 2, in initialize
  File "/gnu/store/ih0jscm3ilqn2r33ms8014ap26jhjfqa-python-traitlets-4.3.3/lib/python3.8/site-packages/traitlets/config/application.py",
line 87, in catch_config_error
    return method(app, *args, **kwargs)
  File "/gnu/store/ih0jscm3ilqn2r33ms8014ap26jhjfqa-python-traitlets-4.3.3/lib/python3.8/site-packages/traitlets/config/application.py",
line 297, in initialize
    self.parse_command_line(argv)
  File "<decorator-gen-4>", line 2, in parse_command_line
  File "/gnu/store/ih0jscm3ilqn2r33ms8014ap26jhjfqa-python-traitlets-4.3.3/lib/python3.8/site-packages/traitlets/config/application.py",
line 87, in catch_config_error
    return method(app, *args, **kwargs)
  File "/gnu/store/ih0jscm3ilqn2r33ms8014ap26jhjfqa-python-traitlets-4.3.3/lib/python3.8/site-packages/traitlets/config/application.py",
line 515, in parse_command_line
    return self.initialize_subcommand(subc, subargv)
  File "<decorator-gen-3>", line 2, in initialize_subcommand
  File "/gnu/store/ih0jscm3ilqn2r33ms8014ap26jhjfqa-python-traitlets-4.3.3/lib/python3.8/site-packages/traitlets/config/application.py",
line 87, in catch_config_error
    return method(app, *args, **kwargs)
  File "/gnu/store/ih0jscm3ilqn2r33ms8014ap26jhjfqa-python-traitlets-4.3.3/lib/python3.8/site-packages/traitlets/config/application.py",
line 453, in initialize_subcommand
    self.subapp.initialize(argv)
  File "<decorator-gen-6>", line 2, in initialize
  File "/gnu/store/ih0jscm3ilqn2r33ms8014ap26jhjfqa-python-traitlets-4.3.3/lib/python3.8/site-packages/traitlets/config/application.py",
line 87, in catch_config_error
    return method(app, *args, **kwargs)
  File "/gnu/store/yj346rpx2mf1afa6jxl2kh9i335an27y-python-jupyter-core-4.7.1/lib/python3.8/site-packages/jupyter_core/application.py",
line 229, in initialize
    self.migrate_config()
  File "/gnu/store/yj346rpx2mf1afa6jxl2kh9i335an27y-python-jupyter-core-4.7.1/lib/python3.8/site-packages/jupyter_core/application.py",
line 155, in migrate_config
    migrate()
  File "/gnu/store/yj346rpx2mf1afa6jxl2kh9i335an27y-python-jupyter-core-4.7.1/lib/python3.8/site-packages/jupyter_core/migrate.py",
line 244, in migrate
    ensure_dir_exists(env['jupyter_config'])
  File "/gnu/store/yj346rpx2mf1afa6jxl2kh9i335an27y-python-jupyter-core-4.7.1/lib/python3.8/site-packages/jupyter_core/utils/__init__.py",
line 11, in ensure_dir_exists
    os.makedirs(path, mode=mode)
  File "/gnu/store/hq7qr7nc2j29z3pivm3azfjy6jq3d7nx-python-3.8.2/lib/python3.8/os.py",
line 213, in makedirs
    makedirs(head, exist_ok=exist_ok)
  File "/gnu/store/hq7qr7nc2j29z3pivm3azfjy6jq3d7nx-python-3.8.2/lib/python3.8/os.py",
line 213, in makedirs
    makedirs(head, exist_ok=exist_ok)
  File "/gnu/store/hq7qr7nc2j29z3pivm3azfjy6jq3d7nx-python-3.8.2/lib/python3.8/os.py",
line 213, in makedirs
    makedirs(head, exist_ok=exist_ok)
  [Previous line repeated 12 more times]
  File "/gnu/store/hq7qr7nc2j29z3pivm3azfjy6jq3d7nx-python-3.8.2/lib/python3.8/os.py",
line 223, in makedirs
    mkdir(name, mode)
--8<---------------cut here---------------end--------------->8---

On Wed, 19 May 2021 at 22:23, Sharlatan Hellseher <sharlatanus@gmail.com> wrote:
>
> Hi,
>
> I've checked the r-irkernel and it's coping existing kernelspec ,
> which is not useful in this case.
>
> As Guillaume mentioned we could tweak it before installation phase by
> using cl-jupyter:install, so here is my draft:
>
> --8<---------------cut here---------------start------------->8---
>     (arguments
>      `(#:phases
>        (modify-phases %standard-phases
>          (add-before 'install 'generate-kernelspec
>            (lambda* (#:key outputs #:allow-other-keys)
>              (let* ((out (assoc-ref outputs "out"))
>                     (kernelspec (string-append out
> "/share/cl-jupyter/kernelspec")))
>                (mkdir-p kernelspec)
>                (invoke "sbcl"
>                        "--eval" "\"(require :asdf)\""
>                        "--eval" "\"(require :common-lisp-jupyter)\""
>                        "--eval"
>                        (string-append
>                         "\"(cl-jupyter:install"
>                         ":bin-path" (string-append
>                                      (assoc-ref %build-inputs "sbcl")
> "/bin/sbcl")
>                         ":prefix" out ")\"")
>                        "--eval" "\"(exit)\""))
>              #t))
>          (add-after 'install 'install-kernelspec
>            (lambda* (#:key outputs #:allow-other-keys)
>              (let ((out (assoc-ref outputs "out"))
>                    (kernelspec (string-append out
> "/share/cl-jupyter/kernelspec")))
>                (invoke "jupyter" "kernelspec" "install"
>                        "--name" "cl-jupyter"
>                        "--prefix" out
>                        kernelspec)
>                #t))))))
> --8<---------------cut here---------------end--------------->8---
>
> But there could be a potential blocking issue with :prefix key
>
> https://github.com/yitzchak/common-lisp-jupyter/issues/78
>
> On Tue, 18 May 2021 at 16:58, Guillaume Le Vaillant <glv@posteo.net> wrote:
> >
> > Hi Jack,
> >
> > I guess it will be easier to just add a phase writing the "kernel.json"
> > file in the right place. In this build phase, to know if the package is
> > being built for SBCL or ECL, the '(%lisp-type)' function that will
> > return "sbcl" or "ecl" can be used. There's an example in the
> > sbcl-trivial-backtrace package.
>
>
>
> --
>
> … наш разум - превосходная объяснительная машина которая способна
> найти смысл почти в чем угодно, истолковать любой феномен, но
> совершенно не в состоянии принять мысль о непредсказуемости.



-- 

… наш разум - превосходная объяснительная машина которая способна
найти смысл почти в чем угодно, истолковать любой феномен, но
совершенно не в состоянии принять мысль о непредсказуемости.