Re: Show a warning/message when loading Org modules requiring external packages (was: :session for Julia in org babel?)

[Christopher M. Miles]

Ihor Radchenko <yantar92@gmail.com> writes:

> "Christopher M. Miles" <numbchild@gmail.com> writes:
>
>> I found ~org-load-modules-maybe~ load modules from ~org-modules~, it's a
>> list of ob-* or ol-* elisp modules. Not Julia modules. I searched
>> ~org-load-modules-maybe~ function invocation code in org-mode source
>> code, have not relative examples. Don't know how to use
>> ~org-load-modules-maybe~ to detect whether Julia modules exist and raise
>> helpful warning message.
>
> That was what I was actually referring to. ob-julia also requires two
> Elisp packages: julia-mode and ESS
> (https://orgmode.org/worg/org-contrib/babel/languages/ob-doc-julia.html)

Oh, I misunderstand your meaning.

> Now I see that you were referring to the actual Julia packages. Those
> may be caught by Julia session code (org-babel-prep-session:julia) and
> then a warning may be displayed.

Yes, that's what I mean. Well, if ob-julia session can display warning.
That's fine. I have not realized that scene.

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