;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2015 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015, 2020 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2016 Theodoros Foradis <theodoros@foradis.org>
;;; Copyright © 2017, 2018, 2019 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2017, 2018 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2017 Gábor Boskovits <boskovits@gmail.com>
;;; Copyright © 2018 Mathieu Lirzin <mthl@gnu.org>
;;; Copyright © 2020 Marius Bakke <mbakke@fastmail.com>
;;; Copyright © 2020 Vincent Legoll <vincent.legoll@gmail.com>
;;; Copyright © 2020 Pjotr Prins <pjotr.guix@thebird.nl>
;;; Copyright © 2021 Bonface Munyoki Kilyungi <me@bonfacemunyoki.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
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 gd)
  #:use-module (gnu packages glib)
  #:use-module (gnu packages gnome)
  #:use-module (gnu packages gtk)
  #:use-module (gnu packages guile)
  #:use-module (gnu packages image)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages python)
  #:use-module (gnu packages python-check)
  #:use-module (gnu packages python-xyz)
  #:use-module (gnu packages sphinx)
  #:use-module (gnu packages swig)
  #:use-module (gnu packages tcl)
  #:use-module (gnu packages tex)
  #:use-module (gnu packages xml)
  #:use-module (gnu packages xorg)
  #:use-module ((guix licenses) #:prefix license:))

(define-public graphviz
  (package
    (name "graphviz")
    (replacement graphviz/fixed)
    (version "2.42.3")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "https://www2.graphviz.org/Packages/stable/portable_source/"
                    "graphviz-" version ".tar.gz"))
              (sha256
               (base32
                "1pbswjbx3fjdlsxcm7cmlsl5bvaa3d6gcnr0cr8x3c8pag13zbwg"))))
    (build-system gnu-build-system)
    (arguments
     ;; FIXME: rtest/rtest.sh is a ksh script (!).  Add ksh as an input.
     '(#:tests? #f
       #:phases
       (modify-phases %standard-phases
         (add-after 'install 'move-docs
           (lambda* (#:key outputs #:allow-other-keys)
             (let ((out (assoc-ref outputs "out"))
                   (doc (assoc-ref outputs "doc")))
               (mkdir-p (string-append doc "/share/graphviz"))
               (rename-file (string-append out "/share/graphviz/doc")
                            (string-append doc "/share/graphviz/doc"))
               #t)))
         (add-after 'move-docs 'move-guile-bindings
           (lambda* (#:key outputs #:allow-other-keys)
             (let* ((out (assoc-ref outputs "out"))
                    (lib (string-append out "/lib"))
                    (extdir (string-append lib
                                           "/guile/2.0/extensions")))
               (mkdir-p extdir)
               (rename-file (string-append
                             lib "/graphviz/guile/libgv_guile.so")
                            (string-append extdir
                                           "/libgv_guile.so"))
               #t))))))
    (inputs
     `(("libXrender" ,libxrender)
       ("libX11" ,libx11)
       ("gts" ,gts)
       ("gd" ,gd)                                 ; FIXME: Our GD is too old
       ("guile" ,guile-2.0)                       ;Guile bindings
       ("pango" ,pango)
       ("fontconfig" ,fontconfig)
       ("freetype" ,freetype)
       ("libltdl" ,libltdl)
       ("libXaw" ,libxaw)
       ("expat" ,expat)
       ("libjpeg" ,libjpeg-turbo)
       ("libpng" ,libpng)))
    (native-inputs
     `(("bison" ,bison)
       ("swig" ,swig)
       ("pkg-config" ,pkg-config)))
    (outputs '("out" "doc"))                      ; 5 MiB of html + pdfs
    (home-page "http://www.graphviz.org/")
    (synopsis "Graph visualization software")
    (description
     "Graphviz is a graph visualization tool suite.  Graph visualization is a
way of representing structural information as diagrams of abstract graphs and
networks.  It has important applications in networking, bioinformatics,
software engineering, database and web design, machine learning, and in visual
interfaces for other technical domains.")
    (license license:epl1.0)))

(define-public graphviz/fixed
  (hidden-package
    (package
      (inherit graphviz)
      (source (origin
                (inherit (package-source graphviz))
                (patches (append (search-patches "graphviz-CVE-2020-18032.patch")
                                 (origin-patches (package-source graphviz)))))))))

;; Older Graphviz needed for pygraphviz.  See
;; https://github.com/pygraphviz/pygraphviz/issues/175
(define-public graphviz-2.38
  ;; This commit corresponds to the changelog change for version 2.38.0.
  ;; There are no tags.
  (let ((commit "f54ac2c9313ae80ccf76ef4ac6aa9be820a23126")
        (revision "1"))
    (package (inherit graphviz)
      (name "graphviz")
      (version (git-version "2.38.0" revision commit))
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url "https://gitlab.com/graphviz/graphviz.git")
                      (commit commit)))
                (file-name (git-file-name name version))
                (sha256
                 (base32
                  "1vjg308gflmi1khgjmcj431cnkrlv12bg4cqah39mwhny92jy92x"))))
      (arguments
       (substitute-keyword-arguments (package-arguments graphviz)
         ((#:phases phases)
          `(modify-phases ,phases
             (add-after 'unpack 'prepare-bootstrap
               (lambda _
                 (substitute* "autogen.sh"
                   (("/bin/sh") (which "sh"))
                   (("\\$GRAPHVIZ_VERSION_DATE") "0"))
                 (setenv "CONFIG_SHELL" (which "sh"))
                 (setenv "SHELL" (which "sh"))

                 (map make-file-writable (find-files "." ".*"))
                 #t))
             (replace 'bootstrap
               (lambda _ (invoke (which "sh") "autogen.sh" "NOCONFIG") #t))))))
      (native-inputs
       `(("autoconf" ,autoconf)
         ("automake" ,automake)
         ("libtool" ,libtool)
         ("flex" ,flex)
         ("perl" ,perl)
         ("tcl" ,tcl)
         ,@(package-native-inputs graphviz))))))

(define-public python-graphviz
  (package
    (name "python-graphviz")
    (version "0.13.2")
    (source (origin
              (method url-fetch)
              (uri (pypi-uri "graphviz" version ".zip"))
              (sha256
               (base32
                "009alrilzx0v7kl41khbq7k6k8b8pxyvbsi1b1ai933f6kpbxb30"))))
    (build-system python-build-system)
    (arguments
     '(#:phases (modify-phases %standard-phases
                  (replace 'check
                    (lambda* (#:key tests #:allow-other-keys)
                      (if tests
                          (invoke "pytest" "-vv")
                          (format #t "test suite not run~%"))
                      #t)))))
    (native-inputs
     `(("unzip" ,unzip)

       ;; For tests.
       ("graphviz" ,graphviz)
       ("python-mock" ,python-mock)
       ("python-pytest" ,python-pytest)
       ("python-pytest-cov" ,python-pytest-cov)
       ("python-pytest-mock" ,python-pytest-mock)))
    (home-page "https://github.com/xflr6/graphviz")
    (synopsis "Simple Python interface for Graphviz")
    (description
     "This package provides a simple Python interface for the Graphviz graph
visualization tool suite.")
    (license license:expat)))

(define-public python2-graphviz
  (package-with-python2 python-graphviz))

(define-public python-pygraphviz
  (package
    (name "python-pygraphviz")
    (version "1.5")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/pygraphviz/pygraphviz")
             (commit (string-append "pygraphviz-" version))))
       (file-name (string-append "pygraphviz-" version "-checkout"))
       (sha256
        (base32
         "1yldym38m8ckgflln83i88143pd9fjj1vfp23sq39fs6np5g0nzp"))))
    (build-system python-build-system)
    (arguments
     `(#:configure-flags
       (let ((graphviz (assoc-ref %build-inputs "graphviz")))
         (list (string-append "--include-path=" graphviz "/include")
               (string-append "--library-path=" graphviz "/lib")))))
    (inputs
     `(("graphviz" ,graphviz-2.38)))
    (native-inputs
     `(("python-nose" ,python-nose)
       ("python-mock" ,python-mock)
       ("python-doctest-ignore-unicode" ,python-doctest-ignore-unicode)))
    (home-page "https://pygraphviz.github.io")
    (synopsis "Python interface to Graphviz")
    (description "PyGraphviz is a Python interface to the Graphviz graph
layout and visualization package.  With PyGraphviz you can create, edit, read,
write, and draw graphs using Python to access the Graphviz graph data
structure and layout algorithms.")
    (license license:bsd-3)))

(define-public python2-pygraphviz
  (package-with-python2 python-pygraphviz))

(define-public python-uqbar
  (package
    (name "python-uqbar")
    (version "0.5.1")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/josiah-wolf-oberholtzer/uqbar")
             (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32
         "0413nyhd8z8v3lvsgaghhafnyxg90fi1q80j1kbl21gpmpnc9a7n"))))
    (build-system python-build-system)
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'patch
           (lambda _
             (substitute* "setup.py"
               ;; Latest versions of sphink-rtd-theme require npm to build.
               (("sphinx-rtd-theme >= 0.4.0") "sphinx-rtd-theme >= 0.2.4")
               (("black == 19.10b0") "black >= 19.10b0"))
             #t))
         (replace 'check
           (lambda* (#:key tests? #:allow-other-keys)
             (when tests?
               (invoke "python" "-m" "pytest" "tests"))
             #t)))))
    (native-inputs
     `(("graphviz" ,graphviz)
       ("python-flake8" ,python-flake8)
       ("python-isort" ,python-isort)
       ("python-mypy" ,python-mypy)
       ("python-pytest" ,python-pytest)
       ("python-pytest-cov" ,python-pytest-cov)))
    (propagated-inputs
     `(("python-black" ,python-black)
       ("python-sphinx" ,python-sphinx)
       ("python-sphinx-rtd-theme" ,python-sphinx-rtd-theme)
       ("python-unidecode" ,python-unidecode)))
    (home-page "https://github.com/josiah-wolf-oberholtzer/uqbar")
    (synopsis "Tools for building documentation with Sphinx, Graphviz and LaTeX")
    (description
     "This package contains tools for building documentation with Sphinx,
Graphviz and LaTeX.")
    (license license:expat)))

(define-public gts
  (package
    (name "gts")
    (version "0.7.6")
    (source (origin
             (method url-fetch)
             (uri (string-append "mirror://sourceforge/gts/gts/" version
                                 "/gts-" version ".tar.gz"))
             (sha256
              (base32
               "07mqx09jxh8cv9753y2d2jsv7wp8vjmrd7zcfpbrddz3wc9kx705"))))
    (build-system gnu-build-system)
    (arguments
     '(#:phases
       (modify-phases %standard-phases
         (add-before 'check 'pre-check
           (lambda _
             (chmod "test/boolean/test.sh" #o777)
             #t)))

       ;; Some data files used by the test suite are missing.
       ;; See <http://sourceforge.net/p/gts/bugs/41/>.
       #:tests? #f))
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (propagated-inputs
     ;; The gts.pc file has glib-2.0 as required.
     `(("glib" ,glib)))
    (home-page "http://gts.sourceforge.net/")

    ;; Note: Despite the name, this is not official GNU software.
    (synopsis "Triangulated Surface Library")
    (description
     "Library intended to provide a set of useful functions to deal with
3D surfaces meshed with interconnected triangles.")
    (license license:lgpl2.0+)))

(define-public xdot
  (package
    (name "xdot")
    (version "1.1")
    (source
     (origin
      (method url-fetch)
      (uri (pypi-uri "xdot" version))
      (sha256
       (base32
        "0cr4rh7dz4dfzyxrk5pzhm0d15gkrgkfp3i5lw178xy81pc56p71"))))
    (build-system python-build-system)
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         ;; We wrap xdot, so that we don't propagate gtk+ and graphviz
         (add-after 'install 'wrap
           (lambda* (#:key inputs outputs #:allow-other-keys)
             (wrap-program (string-append (assoc-ref outputs "out") "/bin/xdot")
               `("GI_TYPELIB_PATH" ":" prefix
                 (,(string-append
                    (assoc-ref inputs "gtk+") "/lib/girepository-1.0"
                    ":" (assoc-ref inputs "pango") "/lib/girepository-1.0"
                    ":" (assoc-ref inputs "gdk-pixbuf") "/lib/girepository-1.0"
                    ":" (assoc-ref inputs "atk") "/lib/girepository-1.0")))
               `("PATH" ":" prefix
                 (,(string-append (assoc-ref inputs "graphviz") "/bin"))))
             #t)))))
    (inputs
     `(("atk" ,atk)
       ("gdk-pixbuf" ,gdk-pixbuf+svg)
       ("graphviz" ,graphviz)
       ("gtk+" ,gtk+)
       ("python-pycairo" ,python-pycairo)
       ("python-pygobject" ,python-pygobject)))
    (home-page "https://pypi.org/project/xdot/")
    (synopsis "Interactive viewer for graphviz dot files")
    (description "Xdot is an interactive viewer for graphs written in
@code{graphviz}’s dot language.  Internally, it uses the xdot output format as
an intermediate format, and @code{gtk} and @code{cairo} for rendering.  Xdot
can be used either as a standalone application, or as a Python library.")
    (license license:lgpl3+)))

(define-public python-pydot
  (package
    (name "python-pydot")
    (version "1.4.1")
    (source
     (origin
       (method url-fetch)
       (uri (pypi-uri "pydot" version))
       (sha256
        (base32
         "00az4cbf8bv447lkk9xi6pjm7gcc7ia33y4pm71fwfwis56rv76l"))
       (patches (search-patches "python-pydot-regression-test.patch"))))
    (build-system python-build-system)
    (arguments
     '(#:phases
       (modify-phases %standard-phases
         (replace 'check
           ;; Taken from .travis.yaml
           (lambda* (#:key tests? inputs outputs #:allow-other-keys)
             (when tests?
               (add-installed-pythonpath inputs outputs)
               (with-directory-excursion "test"
                 (invoke "python" "pydot_unittest.py")))
             #t)))))
    (native-inputs
     ;; For tests.
     `(("graphviz" ,graphviz)
       ("python-chardet" ,python-chardet)))
    (propagated-inputs
     `(("python-pyparsing" ,python-pyparsing)))
    (home-page "https://github.com/pydot/pydot")
    (synopsis "Python interface to Graphviz's DOT language")
    (description
     "Pydot provides an interface to create, handle, modify and process
graphs in Graphviz's DOT language, written in pure Python.")
    (license license:expat)))

(define-public python2-pydot
  (package-with-python2 python-pydot))

(define-public dot2tex
  (package
    (name "dot2tex")
    (version "2.11.3")
    (source (origin
              (method url-fetch)
              (uri (pypi-uri "dot2tex" version))
              (sha256
               (base32
                "1kp77wiv7b5qib82i3y3sn9r49rym43aaqm5aw1bwnzfbbq2m6i9"))))
    (build-system python-build-system)
    (arguments
     `(#:python ,python-2))
    (inputs
     `(("texlive-latex-preview" ,texlive-latex-preview)
       ("graphviz" ,graphviz)))
    (propagated-inputs
     `(("python-pyparsing" ,python2-pyparsing)))
    (home-page "https://github.com/kjellmf/dot2tex")
    (synopsis "Graphviz to LaTeX converter")
    (description
     "The purpose of @code{dot2tex} is to give graphs generated by Graphviz a
more LaTeX friendly look and feel.  This is accomplished by converting
@code{xdot} output from Graphviz to a series of PSTricks or PGF/TikZ commands.
This approach allows:

@itemize @bullet
@item Typesetting labels with LaTeX, allowing mathematical notation
@item Using native PSTricks and PGF/TikZ commands for drawing arrows
@item Using backend specific styles to customize the output
@end itemize")
    (license license:expat)))