From: zimoun <zimon.toutoune@gmail.com>
To: "Nicolò Balzarotti" <anothersms@gmail.com>,
"Ludovic Courtès" <ludo@gnu.org>
Cc: 45972@debbugs.gnu.org
Subject: [bug#45972] Julia importer?
Date: Sat, 30 Jan 2021 15:46:02 +0100 [thread overview]
Message-ID: <86pn1mfpp1.fsf@gmail.com> (raw)
In-Reply-To: <87czxpdhsv.fsf@guixSD.i-did-not-set--mail-host-address--so-tickle-me>
Hi,
On Thu, 28 Jan 2021 at 01:30, Nicolò Balzarotti <anothersms@gmail.com> wrote:
> Sure, I'd just read it from Package.toml (nowadays almost all the
> packages have this file, and for when it's missing we also have the
> julia-create-package-toml procedure that creates it).
>
> The file is toml, but I don't see a toml parser in guix. So, I'd use a
> function like the following:
>
> #+begin_src scheme
> (define (package.toml->name file)
> (call-with-input-file file
> (lambda (in)
> (let loop ((line (read-line in 'concat)))
> (if (eof-object? line)
> #f ;What to do?
> (let ((m (string-match "name\\s*=\\s*\"(.*)\"" line)))
> (if m (match:substring m 1)
> (loop (read-line in 'concat)))))))))
> #+end_src
[...]
> The other way I think this is easily solvable is by asking julia
> directly, by reading the output of:
>
> (invoke-julia "using Pkg; Pkg.TOML.parsefile("Project.toml")["name"] |> println")
With a bit more glue, could this be transformed into something like
“julia->guix-package”? And so have a Julia package importer, even if it
fails for some cases.
WDYT?
All the best,
simon
next prev parent reply other threads:[~2021-01-30 14:57 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-18 23:47 [bug#45972] [PATCH] Add julia-json with dependencies Nicolò Balzarotti
2021-01-26 21:33 ` Ludovic Courtès
2021-01-26 23:23 ` Nicolò Balzarotti
2021-01-27 22:40 ` Ludovic Courtès
2021-01-28 0:30 ` Nicolò Balzarotti
2021-01-28 13:10 ` Ludovic Courtès
2021-01-28 15:37 ` Nicolò Balzarotti
2021-01-30 14:10 ` bug#45972: " Ludovic Courtès
2021-01-30 14:46 ` zimoun [this message]
2021-01-30 20:13 ` [bug#45972] Julia importer? Nicolò Balzarotti
2021-01-30 21:42 ` Nicolò Balzarotti
2021-01-31 19:35 ` zimoun
2021-01-31 20:00 ` Nicolò Balzarotti
2021-02-01 7:22 ` zimoun
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