42/245: gnu: Add texlive-chemobabel.

[guix-commits]

ngz pushed a commit to branch master
in repository guix.

commit 01d27557e3028c2d440bdad79b6279ebf6a8deaa
Author: Nicolas Goaziou <mail@nicolasgoaziou.fr>
AuthorDate: Sun Jul 30 13:12:06 2023 +0200

    gnu: Add texlive-chemobabel.
    
    * gnu/packages/tex.scm (texlive-chemobabel): New variable.
---
 gnu/packages/tex.scm | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/gnu/packages/tex.scm b/gnu/packages/tex.scm
index 8a6fe0f902..48e006bd2f 100644
--- a/gnu/packages/tex.scm
+++ b/gnu/packages/tex.scm
@@ -2377,6 +2377,31 @@ newman projections, etc.")
 compound numbers.")
     (license license:lppl1.3c)))
 
+(define-public texlive-chemobabel
+  (package
+    (name "texlive-chemobabel")
+    (version (number->string %texlive-revision))
+    (source (texlive-origin
+             name version
+             (list "doc/latex/chemobabel/"
+                   "source/latex/chemobabel/"
+                   "tex/latex/chemobabel/")
+             (base32
+              "0ky7xcyln4j40b18anld77mxc2i4af75y9xdjisj2ixl3vkg5a1x")))
+    (outputs '("out" "doc"))
+    (build-system texlive-build-system)
+    (home-page "https://ctan.org/pkg/chemobabel";)
+    (synopsis "Convert chemical structures from ChemDraw, MDL molfile or 
SMILES")
+    (description
+     "This package provides a way to convert and include chemical structure
+graphics from various chemical formats, such as ChemDraw files, MDL molfile or
+SMILES notations using Open Babel.  To use this LaTeX package, it is necessary
+to enable execution of the following external commands via
+@samp{latex -shell-escape}: @command{obabel} (Open Babel) @command{inkscape}
+or @command{rsvg-convert} (for SVG -> PDF/EPS conversion), @command{pdfcrop}
+or @command{ps2eps} (optional; for cropping large margins of PDF/EPS).")
+    (license license:bsd-2)))
+
 (define-public texlive-chronosys
   (package
     (name "texlive-chronosys")