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[bug#28782] [PATCH] gnu: Add python-jupyter-console as input to python-i


From: Ludovic Courtès
Subject: [bug#28782] [PATCH] gnu: Add python-jupyter-console as input to python-ipython.
Date: Wed, 11 Oct 2017 21:56:26 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux)

Hello,

Christopher Baines <address@hidden> skribis:

> This fixes running ipython console and ipython3 console.
>
> As python-ipython is an input to python-jupyter-console, depend on a modified
> version of the package which doesn't have this input.
>
> * gnu/packages/python.scm (python-ipython)[propagated-inputs]: Add a modified
>   version of python-jupyter-console.

[...]

> @@ -5851,6 +5851,31 @@ tools for mocking system commands and recording calls 
> to those.")
>         ("python-numpy" ,python-numpy)
>         ("python-numpydoc" ,python-numpydoc)
>         ("python-jinja2" ,python-jinja2)
> +       ("python-jupyter-console"
> +        ;; The python-ipython and python-jupyter-console require each
> +        ;; other. To get the functionality in both packages working, strip
> +        ;; down the python-jupyter-console package when using it as an input
> +        ;; to python-ipython.
> +        ,(package
> +           (inherit python-jupyter-console)
> +           (arguments
> +            (substitute-keyword-arguments
> +                (package-arguments python-jupyter-console)
> +              ((#:phases phases)
> +               `(modify-phases ,phases
> +                  (add-after 'install 'delete-bin
> +                    (lambda* (#:key outputs #:allow-other-keys)
> +                      ;; Delete the bin files, to avoid conflicts in profiles
> +                      ;; where python-ipython and python-jupyter-console are
> +                      ;; both present.
> +                      (delete-file-recursively
> +                       (string-append
> +                        (assoc-ref outputs "out") "/bin"))))))))
> +           ;; Remove the python-ipython propagated input, to avoid the cycle
> +           (propagated-inputs
> +            (remove (lambda (input)
> +                      (string=? (car input) name))
> +                    (package-propagated-inputs python-jupyter-console)))))

For clarity, perhaps we should declare the above as
‘python-jupyter-console-minimal’ (also with a ‘name’ field)?

Also, the (remove …) expression at the end can be rewritten as:

  (alist-delete name (package-propagated-inputs python-jupyter-console))

Otherwise LGTM, thanks!

Ludo’.





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