gnu/packages/education.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2016 Danny Milosavljevic <dannym@scratchpost.org>
   3 ;;; Copyright © 2016, 2017 Ricardo Wurmus <rekado@elephly.net>
   4 ;;; Copyright © 2016 Hartmut Goebel <h.goebel@crazy-compilers.com>
   5 ;;; Copyright © 2017, 2018, 2019, 2020, 2021 Efraim Flashner <efraim@flashner.co.il>
   6 ;;; Copyright © 2018–2021 Tobias Geerinckx-Rice <me@tobias.gr>
   7 ;;; Copyright © 2018, 2019, 2020, 2021 Nicolas Goaziou <mail@nicolasgoaziou.fr>
   8 ;;; Copyright © 2020 Robert Smith <robertsmith@posteo.net>
   9 ;;; Copyright © 2020 Guy Fleury Iteriteka <gfleury@disroot.org>
  10 ;;; Copyright © 2020 Jakub Kądziołka <kuba@kadziolka.net>
  11 ;;; Copyright © 2020 Prafulla Giri <pratheblackdiamond@gmail.com>
  12 ;;; Copyright © 2021 Nicolò Balzarotti <nicolo@nixo.xyz>
  13 ;;;
  14 ;;; This file is part of GNU Guix.
  15 ;;;
  16 ;;; GNU Guix is free software; you can redistribute it and/or modify it
  17 ;;; under the terms of the GNU General Public License as published by
  18 ;;; the Free Software Foundation; either version 3 of the License, or (at
  19 ;;; your option) any later version.
  20 ;;;
  21 ;;; GNU Guix is distributed in the hope that it will be useful, but
  22 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  23 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 ;;; GNU General Public License for more details.
  25 ;;;
  26 ;;; You should have received a copy of the GNU General Public License
  27 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  28
  29 (define-module (gnu packages education)
  30   #:use-module (ice-9 regex)
  31   #:use-module (gnu packages)
  32   #:use-module (gnu packages audio)
  33   #:use-module (gnu packages base)
  34   #:use-module (gnu packages bash)
  35   #:use-module (gnu packages compression)
  36   #:use-module (gnu packages curl)
  37   #:use-module (gnu packages databases)
  38   #:use-module (gnu packages flex)
  39   #:use-module (gnu packages fonts)
  40   #:use-module (gnu packages freedesktop)
  41   #:use-module (gnu packages game-development)
  42   #:use-module (gnu packages gettext)
  43   #:use-module (gnu packages glib)
  44   #:use-module (gnu packages gnome)
  45   #:use-module (gnu packages golang)
  46   #:use-module (gnu packages gtk)
  47   #:use-module (gnu packages image)
  48   #:use-module (gnu packages javascript)
  49   #:use-module (gnu packages kde)
  50   #:use-module (gnu packages kde-frameworks) ; extra-cmake-modules
  51   #:use-module (gnu packages mp3)
  52   #:use-module (gnu packages ncurses)
  53   #:use-module (gnu packages perl)
  54   #:use-module (gnu packages pkg-config)
  55   #:use-module (gnu packages python)
  56   #:use-module (gnu packages python-web)
  57   #:use-module (gnu packages python-xyz)
  58   #:use-module (gnu packages qt)
  59   #:use-module (gnu packages readline)
  60   #:use-module (gnu packages sdl)
  61   #:use-module (gnu packages sqlite)
  62   #:use-module (gnu packages texinfo)
  63   #:use-module (gnu packages tls)
  64   #:use-module (gnu packages video)
  65   #:use-module (gnu packages xorg)
  66   #:use-module (gnu packages xml)
  67   #:use-module ((guix licenses) #:prefix license:)
  68   #:use-module (guix packages)
  69   #:use-module (guix download)
  70   #:use-module (guix git-download)
  71   #:use-module (guix svn-download)
  72   #:use-module (guix utils)
  73   #:use-module (guix build-system cmake)
  74   #:use-module (guix build-system gnu)
  75   #:use-module (guix build-system go)
  76   #:use-module (guix build-system python)
  77   #:use-module (guix build-system qt)
  78   #:use-module (guix build-system trivial)
  79   #:use-module (srfi srfi-1))
  80
  81 (define-public gcompris
  82   (package
  83     (name "gcompris")
  84     (version "17.05")
  85     (source (origin
  86               (method url-fetch)
  87               (uri (string-append "http://gcompris.net/download/gtk/src/gcompris-"
  88                                   version ".tar.bz2"))
  89               (sha256
  90                (base32
  91                 "18y483alb4r4vfmh80nnl0pah5gv0b8frcm6l1drb9njn5xlcpgc"))))
  92     (build-system gnu-build-system)
  93     (arguments
  94      `(#:configure-flags
  95        ;; Use SDL mixer because otherwise GCompris would need an old version
  96        ;; of Gstreamer.
  97        (list "--enable-sdlmixer"
  98              "LDFLAGS=-lgmodule-2.0")
  99        #:phases
 100        (modify-phases %standard-phases
 101          (add-after 'set-paths 'set-sdl-paths
 102            (lambda* (#:key inputs #:allow-other-keys)
 103              (setenv "CPATH"
 104                      (string-append
 105                       (search-input-directory inputs "include/SDL")
 106                       ":" (or (getenv "CPATH") ""))))))))
 107     (inputs
 108      `(("gtk+" ,gtk+-2)
 109        ("librsvg" ,librsvg)
 110        ("libxml2" ,libxml2)
 111        ("sdl-mixer" ,sdl-mixer)
 112        ("sqlite" ,sqlite)
 113        ("glib:bin" ,glib)
 114        ("python" ,python)))
 115     (native-inputs
 116      `(("intltool" ,intltool)
 117        ("texinfo" ,texinfo)
 118        ("texi2html" ,texi2html)
 119        ("glib:bin" ,glib "bin")
 120        ("pkg-config" ,pkg-config)))
 121     (home-page "https://gcompris.net")
 122     (synopsis "Educational software suite")
 123     (description "GCompris is an educational software suite comprising of
 124 numerous activities for children aged 2 to 10.  Some of the activities are
 125 game orientated, but nonetheless still educational.  Below you can find a list
 126 of categories with some of the activities available in that category.
 127
 128 @enumerate
 129 @item computer discovery: keyboard, mouse, different mouse gestures, ...
 130 @item arithmetic: table memory, enumeration, double entry table, mirror image, ...
 131 @item science: the canal lock, the water cycle, the submarine, electric simulation ...
 132 @item geography: place the country on the map
 133 @item games: chess, memory, connect 4, oware, sudoku ...
 134 @item reading: reading practice
 135 @item other: learn to tell time, puzzle of famous paintings, vector drawing, cartoon making, ...
 136 @end enumerate
 137 ")
 138     (license license:gpl3+)))
 139
 140 (define-public gcompris-qt
 141   (package
 142     (name "gcompris-qt")
 143     (version "1.1")
 144     (source
 145      (origin
 146        (method url-fetch)
 147        (uri (string-append
 148              "https://gcompris.net/download/qt/src/gcompris-qt-"
 149              version ".tar.xz"))
 150        (sha256
 151         (base32 "1bpjwrv83rhikbycpyfpf6dbqr0xfq6amgdpqfgfph6nzr3zka7h"))))
 152     (build-system qt-build-system)
 153     (arguments
 154      `(#:phases
 155        (modify-phases %standard-phases
 156          (add-before 'check 'start-xorg-server
 157            (lambda* (#:key inputs #:allow-other-keys)
 158              ;; The test suite requires a running X server.
 159              (system "Xvfb :1 &")
 160              (setenv "DISPLAY" ":1")
 161              ;; The test suite wants to write to /homeless-shelter
 162              (setenv "HOME" (getcwd))
 163              #t)))
 164        #:configure-flags (list "-DQML_BOX2D_MODULE=disabled"
 165                                "-DBUILD_TESTING=TRUE")))
 166     (native-inputs
 167      `(("extra-cmake-modules" ,extra-cmake-modules)
 168        ("gettext" ,gettext-minimal)
 169        ("kdoctools" ,kdoctools)
 170        ("perl" ,perl)
 171        ("qttools" ,qttools)
 172        ("xorg-server" ,xorg-server-for-tests)))
 173     (inputs
 174      `(("openssl" ,openssl)
 175        ("python" ,python-wrapper)
 176        ("qtbase" ,qtbase-5)
 177        ("qtdeclarative" ,qtdeclarative)
 178        ("qtgraphicaleffects" ,qtgraphicaleffects)
 179        ("qtmultimedia" ,qtmultimedia)
 180        ("qtquickcontrols" ,qtquickcontrols)
 181        ("qtsensors" ,qtsensors)
 182        ("qtsvg" ,qtsvg)
 183        ("qtxmlpatterns" ,qtxmlpatterns)))
 184     (home-page "https://gcompris.net/index-en.html")
 185     (synopsis "Educational games for small children")
 186     (description
 187      "Gcompris offers a large collection of educational games for small
 188 children, designed to be a unified interface to integrate more educational
 189 games.  Language-oriented games contain vocabulary, sounds, and voices for
 190 many different languages.
 191 Currently available boards include:
 192 @enumerate
 193 @item learning how to use a mouse and keyboard
 194 @item learning simple arithmetic
 195 @item learning how to read an analog clock
 196 @item recognize letters after hearing their names
 197 @item reading practice
 198 @item small games (memory games, jigsaw puzzles, ...)
 199 @end enumerate\n")
 200     (license (list license:silofl1.1    ; bundled fonts
 201                    license:gpl3+))))
 202
 203 (define-public gotypist
 204   (let ((revision "0")
 205         (commit "03f8618f8e23acdaa94cda3bcf197da520db8dd4"))
 206     (package
 207       (name "gotypist")
 208       (version (git-version "0.0.0" revision commit))
 209       (source
 210        (origin
 211          (method git-fetch)
 212          (uri (git-reference
 213                (url "https://github.com/KappaDistributive/gotypist")
 214                (commit commit)))
 215          (file-name (git-file-name name version))
 216          (sha256
 217           (base32 "0sjndaspqfzffjxz388m384wqz5lzbiw4cwpi688k5aq7n05jh0f"))))
 218       (build-system go-build-system)
 219       (arguments
 220        `(#:unpack-path "github.com/KappaDistributive/gotypist"
 221          #:import-path "github.com/KappaDistributive/gotypist/v1"
 222          #:install-source? #f
 223          #:phases
 224          (modify-phases %standard-phases
 225            (add-before 'build 'install-data
 226              (lambda* (#:key import-path unpack-path outputs #:allow-other-keys)
 227                (let* ((out  (assoc-ref outputs "out"))
 228                       (data (string-append out "/share/gotypist/data")))
 229                  (with-directory-excursion "src"
 230                    (with-directory-excursion import-path
 231                      (substitute* "lesson.go"
 232                        (("\"data/")
 233                         (format #f "\"~a/" data))))
 234                    (with-directory-excursion unpack-path
 235                      (mkdir-p data)
 236                      (copy-recursively "data" data))))))
 237            (add-after 'install 'rename-executable
 238              (lambda* (#:key outputs #:allow-other-keys)
 239                (let* ((out (assoc-ref outputs "out"))
 240                       (bin (string-append out "/bin")))
 241                  (with-directory-excursion bin
 242                    (rename-file "v1" "gotypist"))))))))
 243       (native-inputs
 244        `(("go-github-com-gizak-termui" ,go-github-com-gizak-termui)
 245          ("go-github-com-stretchr-testify" ,go-github-com-stretchr-testify)))
 246       (home-page "https://github.com/KappaDistributive/gotypist")
 247       (synopsis "Simple typing trainer for text terminals")
 248       (description
 249        "Gotypist is a simple typing tutor for text terminals, similar to
 250 gtypist but with no instruction.  Hence it's best suited for people who already
 251 know how to touch type and wish to improve their typing accuracy and/or speed.
 252
 253 You can provide your own lesson text, choose from the included samples, or ask
 254 @command{gotypist} to construct a random lesson from a fixed list of the most
 255 frequently used words in American English.")
 256       (license license:expat))))
 257
 258 (define-public tipp10
 259   (package
 260     (name "tipp10")
 261     (version "2.1.0")
 262     (source (origin
 263               (method url-fetch)
 264               ;; guix download is not able to handle the download links on the
 265               ;; home-page, which use '<meta http-equiv="refresh" …>'
 266               (uri (string-append "mirror://debian/pool/main/"
 267                                   "t/tipp10/tipp10_2.1.0.orig.tar.gz"))
 268               (sha256
 269                (base32
 270                 "0d387b404j88gsv6kv0rb7wxr23v5g5vl6s5l7602x8pxf7slbbx"))
 271               ;; Apply patches in the order determined by Debian
 272               (patches (search-patches "tipp10-fix-compiling.patch"
 273                                        "tipp10-remove-license-code.patch"
 274                                        "tipp10-disable-downloader.patch"
 275                                        "tipp10-qt5.patch"))))
 276     (build-system cmake-build-system)
 277     (arguments
 278      `(#:tests? #f ; packages has no tests
 279        #:phases
 280        (modify-phases %standard-phases
 281          (add-after 'unpack 'disable-new-version-check
 282            (lambda _
 283              ;; Make new version check to default to false.
 284              ;; TODO: Remove the checkbox from the dialog and the check itself
 285              (substitute* '("widget/settingspages.cpp" "widget/mainwindow.cpp")
 286                (("settings.value(\"check_new_version\", true)")
 287                 "settings.value(\"check_new_version\", false)"))
 288              #t))
 289          (replace 'configure
 290            (lambda* (#:key outputs #:allow-other-keys)
 291              (let ((out (assoc-ref outputs "out")))
 292                ;; Make program honor $PREFIX
 293                (substitute* "tipp10.pro"
 294                  (("\\.path = /usr/") (string-append ".path = " out "/")))
 295                (substitute* "def/defines.h"
 296                  (("\"/usr/") (string-append "\"" out "/")))
 297                ;; Recreate Makefile
 298                (invoke "qmake")))))))
 299     (inputs
 300      `(("qtbase" ,qtbase-5)
 301        ("qtmultimedia" ,qtmultimedia)))
 302     (home-page "https://www.tipp10.com/")
 303     (synopsis "Touch typing tutor")
 304     (description "Tipp10 is a touch typing tutor.  The ingenious thing about
 305 the software is its intelligence feature: characters that are mistyped are
 306 repeated more frequently.  Beginners will find their way around right away so
 307 they can start practicing without a hitch.
 308
 309 Useful support functions and an extensive progress tracker, topical lessons
 310 and the ability to create your own practice lessons make learning to type
 311 easy.")
 312     (license license:gpl2)))
 313
 314 (define-public snap
 315   (package
 316     (name "snap")
 317     (version "6.9.0")
 318     (source
 319      (origin
 320        (method git-fetch)
 321        (uri (git-reference
 322              (url "https://github.com/jmoenig/Snap")
 323              (commit (string-append "v" version))))
 324        (file-name (git-file-name name version))
 325        (sha256
 326         (base32 "1wppz57lrrribrfnaiv6jrrf703w7i6ja0dnz8yx8naxhbsglwyf"))))
 327     (build-system trivial-build-system)
 328     (arguments
 329      `(#:modules ((guix build utils))
 330        #:builder
 331        (begin
 332          (use-modules (guix build utils))
 333          (let* ((source (assoc-ref %build-inputs "source"))
 334                 (out (assoc-ref %outputs "out"))
 335                 (share (string-append out "/share/snap")))
 336            (copy-recursively source share)
 337            ;; Replace the sole minified file in the package.
 338            (with-directory-excursion (string-append share "/src")
 339              (delete-file "FileSaver.min.js")
 340              (symlink (search-input-file %build-inputs
 341                                          "/share/javascript/FileSaver.min.js")
 342                       "FileSaver.min.js"))
 343            ;; Create a "snap" executable.
 344            (let* ((bin (string-append out "/bin"))
 345                   (script (string-append bin "/snap"))
 346                   (snap (string-append share "/snap.html"))
 347                   (bash (search-input-file %build-inputs "/bin/sh"))
 348                   (xdg-open (search-input-file %build-inputs
 349                                                "/bin/xdg-open")))
 350              (mkdir-p bin)
 351              (call-with-output-file script
 352                (lambda (port)
 353                  (format port "#!~a\n~a '~a'" bash xdg-open snap)))
 354              (chmod script #o555))))))
 355     (inputs
 356      `(("bash" ,bash-minimal)
 357        ("js-filesaver" ,js-filesaver)
 358        ("xdg-utils" ,xdg-utils)))
 359     (home-page "https://snap.berkeley.edu")
 360     (synopsis "Visual, blocks based programming language")
 361     (description "Snap! (formerly BYOB) is a visual, drag-and-drop
 362 programming language.  It is an extended reimplementation of Scratch (a
 363 project of the Lifelong Kindergarten Group at the MIT Media Lab) that
 364 allows you to Build Your Own Blocks.  It also features first class
 365 lists, first class procedures, and continuations.  These added
 366 capabilities make it suitable for a serious introduction to computer
 367 science for high school or college students.
 368
 369 This package provides a @command{snap} executable calling @command{xdg-open}
 370 to open the application in a web browser, for offline usage.")
 371     (license license:agpl3+)))
 372
 373 (define-public toutenclic
 374   (package
 375     (name "toutenclic")
 376     (version "7.00")
 377     (source
 378      (origin
 379        (method url-fetch)
 380        (uri (string-append "http://www.bipede.fr/downloads/logiciels/"
 381                            "ToutEnClic-" version "-src.zip"))
 382        (sha256
 383         (base32 "0xg24p925rl5bfqsq3jb2lrkidb0f3kbmay5iyxxmjsn3ra0blyh"))))
 384     (build-system python-build-system)
 385     (arguments
 386      `(#:tests? #f                      ; no tests
 387        #:phases
 388        (modify-phases %standard-phases
 389          (delete 'build)
 390          (replace 'install
 391            (lambda* (#:key outputs #:allow-other-keys)
 392              (let* ((out (assoc-ref outputs "out"))
 393                     (share (string-append out "/share/toutenclic"))
 394                     (pixmaps (string-append out "/share/pixmaps"))
 395                     (doc (string-append out "share/doc/" ,name "-" ,version))
 396                     (bin (string-append out "/bin"))
 397                     (executable "toutenclic"))
 398                ;; Install icon.
 399                (install-file "toutenclic.png" pixmaps)
 400                ;; Move files into "share/" directory.
 401                (for-each (lambda (f) (install-file f share))
 402                          (find-files "." "\\.py$"))
 403                ;; Install documentation.
 404                (install-file "ToutEnClic.pdf" doc)
 405                ;; Create executable in "bin/".
 406                (mkdir-p bin)
 407                (with-directory-excursion bin
 408                  (symlink (string-append share "/" executable ".py")
 409                           executable)))
 410              #t))
 411          (add-after 'install 'create-desktop-file
 412            (lambda* (#:key outputs #:allow-other-keys)
 413              (let* ((out (assoc-ref outputs "out"))
 414                     (applications (string-append out "/share/applications")))
 415                (mkdir-p applications)
 416                (call-with-output-file
 417                    (string-append applications "/toutenclic.desktop")
 418                  (lambda (file)
 419                    (format file
 420                            "[Desktop Entry]~@
 421                             Name=ToutEnClic~@
 422                             Comment=For schooling without difference~@
 423                             Exec=~a/bin/toutenclic~@
 424                             TryExec=~@*~a/bin/toutenclic~@
 425                             Terminal=false~@
 426                             Icon=toutenclic~@
 427                             Type=Application~%"
 428                            out)))
 429                #t))))))
 430     (native-inputs
 431      `(("unzip" ,unzip)))
 432     (inputs
 433      `(("python-pyqt" ,python-pyqt)))
 434     (synopsis "School tools for physically disabled children")
 435     (description "ToutEnClic is intended to facilitate the schooling
 436 of physically disabled children in ordinary schools.  It is both
 437 a multi-page virtual exercise book and a kit including pencil,
 438 scissors, glue, ruler, compass, protractor and square.  A virtual
 439 keyboard is also available if the child does not have any other
 440 specialized device.")
 441     (home-page "https://bipede.fr/contrib/")
 442     (license license:gpl3)))
 443
 444 (define-public childsplay
 445   (package
 446     (name "childsplay")
 447     (version "3.4")
 448     (source (origin
 449               (method url-fetch)
 450               (uri (string-append
 451                     "mirror://sourceforge/schoolsplay/"
 452                     "childsplay-" version ".tgz"))
 453               (sha256
 454                (base32
 455                 "0z7yp2swjnbz51vn2zyfnjn40jq38l5mbh15yafmx1z3vn2z1m77"))))
 456     (build-system python-build-system)
 457     (arguments
 458      `(#:python ,python-2
 459        #:tests? #f
 460        #:phases
 461        (modify-phases %standard-phases
 462          (add-after 'unpack 'unbundle-dejavu-font
 463            (lambda* (#:key inputs #:allow-other-keys)
 464              (let* ((dejavu-dir
 465                      (string-append (assoc-ref inputs "font-dejavu")
 466                                     "/share/fonts/truetype"))
 467                     (dejavu-font
 468                      (string-append dejavu-dir
 469                                     "/DejaVuSansCondensed-Bold.ttf")))
 470                (substitute* "SPConstants.py"
 471                  (("^(TTF(BOLD)? = ).*" _ prefix)
 472                   (string-append prefix "'" dejavu-font "'\n")))
 473                (for-each (lambda (f) (delete-file f))
 474                          (find-files "lib/SPData" "DejaVu"))
 475                #t)))
 476          (delete 'build)
 477          (replace 'install
 478            (lambda* (#:key outputs #:allow-other-keys)
 479              (let* ((out (assoc-ref outputs "out"))
 480                     (pixmaps (string-append out "/share/pixmaps"))
 481                     (share (string-append out "/share/childsplay"))
 482                     (doc (string-append out "/share/doc/" ,name "-",version)))
 483                ;; Install icon.
 484                (install-file "lib/SPData/themes/childsplay/logo_cp.svg" pixmaps)
 485                ;; Install data.
 486                (mkdir-p share)
 487                (for-each (lambda (f)
 488                            (copy-recursively f (string-append share "/" f)))
 489                          '("alphabet-sounds" "lib" "locale" "SPWidgets"))
 490                (for-each (lambda (f) (install-file f share))
 491                          (find-files "." "\\.(py|dev|db)$"))
 492                ;; Install documentation.
 493                (mkdir-p doc)
 494                (copy-recursively "docs" doc)
 495                #t)))
 496          (add-after 'install 'create-executable
 497            (lambda* (#:key outputs inputs #:allow-other-keys)
 498              (let* ((python (search-input-file inputs "/bin/python"))
 499                     (out (assoc-ref outputs "out"))
 500                     (bin (string-append out "/bin"))
 501                     (executable (string-append bin "/childsplay")))
 502                (mkdir-p bin)
 503                (call-with-output-file executable
 504                  (lambda (file)
 505                    (format file
 506                            "~a ~a"
 507                            python
 508                            (string-append out "/share/childsplay/childsplay.py"))))
 509                (chmod executable #o555)
 510                #t)))
 511          (add-after 'install 'create-desktop-file
 512            (lambda* (#:key outputs #:allow-other-keys)
 513              (let* ((out (assoc-ref outputs "out"))
 514                     (applications (string-append out "/share/applications")))
 515                (mkdir-p applications)
 516                (call-with-output-file
 517                    (string-append applications "/childsplay.desktop")
 518                  (lambda (file)
 519                    (format file
 520                            "[Desktop Entry]~@
 521                             Name=Childsplay~@
 522                             Comment=Suite of educational games for young children~@
 523                             Comment[ca]=Conjunt de jocs educatius per a xiquets~@
 524                             Comment[es]=Conjunto de juegos educativos para niños~@
 525                             Comment[de]=Sammlung mit lehrreichen Spielen für kleine Kinder~@
 526                             Exec=~a/bin/childsplay~@
 527                             Terminal=false~@
 528                             Icon=logo_cp.svg~@
 529                             Type=Application~@
 530                             Categories=Application;Game;Education;KidsGame;~@
 531                             Keywords=suite;children;games;young;educational;~%"
 532                            out)))
 533                #t))))))
 534     (inputs
 535      `(("font-dejavu" ,font-dejavu)
 536        ("pygame" ,python2-pygame)
 537        ("sqlalchemy" ,python2-sqlalchemy)))
 538     (synopsis "Suite of educational games for young children")
 539     (description "Childsplay is a collection of educational activities
 540 for young children.  Childsplay can be used at home, kindergartens and
 541 pre-schools.  Childsplay is a fun and safe way to let young children
 542 use the computer and at the same time teach them a little math,
 543 letters of the alphabet, spelling, eye-hand coordination, etc.")
 544     (home-page "http://www.schoolsplay.org")
 545     (license license:gpl3+)))
 546
 547 (define-public omnitux
 548   (package
 549     (name "omnitux")
 550     (version "1.2.1")
 551     (source
 552      (origin
 553        (method url-fetch)
 554        (uri (string-append "mirror://sourceforge/omnitux/omnitux/"
 555                            "v" version "/omnitux-" version ".tar.bz2"))
 556        (sha256
 557         (base32 "1wmmmbzmxd0blhn00d4g91xwavnab143a31ca3i8hrqgzh6qz9w6"))
 558        (modules '((guix build utils)))
 559        (snippet
 560         '(begin
 561            ;; Remove pre-compiled .pyc files from source.
 562            (for-each delete-file (find-files "bin" "\\.pyc$"))
 563            #t))))
 564     (build-system python-build-system)
 565     (inputs
 566      `(("python2-pygame" ,python2-pygame)
 567        ("python2-pygtk" ,python2-pygtk)))
 568     (arguments
 569      `(#:tests? #f                      ;no test
 570        #:python ,python-2
 571        #:phases
 572        (modify-phases %standard-phases
 573          (delete 'build)                ;no setup.py
 574          (replace 'install
 575            (lambda* (#:key outputs #:allow-other-keys)
 576              (let* ((out (assoc-ref outputs "out"))
 577                     (share (string-append out "/share"))
 578                     (data (string-append share "/omnitux")))
 579                ;; Install documentation.
 580                (let ((doc (string-append share "/doc/" ,name "-" ,version)))
 581                  (for-each (lambda (f) (install-file f doc))
 582                            '("LICENSE.txt" "README.txt")))
 583                ;; Install data.
 584                (install-file "omnitux.sh" data)
 585                (for-each (lambda (d)
 586                            (copy-recursively d (string-append data "/" d)))
 587                          '("bin" "data"))
 588                ;; Install the launcher.
 589                (let* ((bin (string-append out "/bin"))
 590                       (script (string-append bin "/omnitux"))
 591                       (bash (search-input-file %build-inputs "/bin/bash"))
 592                       (python (search-input-file %build-inputs
 593                                                  "/bin/python2")))
 594                  (mkdir-p bin)
 595                  (with-output-to-file script
 596                    (lambda ()
 597                      (format #t "#!~a~%" bash)
 598                      (format #t
 599                              "cd ~a; ~a menu.py~%"
 600                              (string-append data "/bin")
 601                              python)))
 602                  (chmod script #o755))
 603                ;; Install icon and desktop file.
 604                (let ((pixmaps (string-append share "/pixmaps")))
 605                  (install-file "data/default/icons/Omnitux_logo.svg" pixmaps))
 606                (let ((apps (string-append out "/share/applications")))
 607                  (mkdir-p apps)
 608                  (with-output-to-file (string-append apps "/omnitux.desktop")
 609                    (lambda _
 610                      (format #t
 611                              "[Desktop Entry]~@
 612                               Name=Omnitux~@
 613                               GenericName=Omnitux
 614                               Comment=An educational game based on multimedia elements.~@
 615                               Comment[fr]=Un jeu ludo-éducatif basé sur des éléments multimédias.~@
 616                               Exec=~a/bin/omnitux~@
 617                               Type=Application~@
 618                               Categories=Game;Education;~@
 619                               Terminal=false~@
 620                               Icon=Omnitux_logo.svg~@"
 621                              out))))
 622                #t))))))
 623     (home-page "http://omnitux.sourceforge.net/")
 624     (synopsis "Educational activities based on multimedia elements")
 625     (description "The project aims to provide various educational
 626 activities around multimedia elements (images, sounds, texts).  Types
 627 of activities include:
 628 @itemize
 629 @item associations,
 630 @item items to place on a map or a schema,
 631 @item counting activities,
 632 @item puzzles,
 633 @item card faces to remember,
 634 @item find differences between two pictures,
 635 @item ...
 636 @end itemize
 637
 638 Activities are available in English, French, German, Polish,
 639 Portuguese, Spanish and Italian.")
 640     ;; Project's license is GPL3+, but multimedia elements are
 641     ;; released under various licenses.
 642     (license (list license:gpl3+
 643                    license:gpl2+
 644                    license:cc-by-sa2.0
 645                    license:cc-by-sa3.0
 646                    license:public-domain))))
 647
 648 (define-public fet
 649   (package
 650     (name "fet")
 651     (version "6.1.8")
 652     (source
 653      (origin
 654        (method url-fetch)
 655        (uri (let ((directory "https://www.lalescu.ro/liviu/fet/download/")
 656                   (base (string-append "fet-" version ".tar.bz2")))
 657               (list (string-append directory base)
 658                     (string-append directory "old/" base))))
 659        (sha256
 660         (base32 "16m20vbhv8i7saxqb731bhds1f86d6x1f935j3ivg357805fqzll"))))
 661     (build-system gnu-build-system)
 662     (arguments
 663      `(#:phases
 664        (modify-phases %standard-phases
 665          (add-after 'unpack 'fix-hardcoded-directories
 666            (lambda* (#:key outputs #:allow-other-keys)
 667              (substitute* (list "fet.pro"
 668                                 "src/src.pro"
 669                                 "src/src-cl.pro"
 670                                 "src/interface/fet.cpp")
 671                (("/usr") (assoc-ref outputs "out")))))
 672          (replace 'configure
 673            (lambda _ (invoke "qmake" "fet.pro"))))))
 674     (inputs
 675      `(("qtbase" ,qtbase)))
 676     (home-page "https://www.lalescu.ro/liviu/fet/")
 677     (synopsis "Timetabling software")
 678     (description
 679      "FET is a program for automatically scheduling the timetable of a school,
 680 high-school or university.  It uses a fast and efficient timetabling
 681 algorithm.
 682
 683 Usually, FET is able to solve a complicated timetable in maximum 5-20 minutes.
 684 For extremely difficult timetables, it may take a longer time, a matter of
 685 hours.")
 686     (license license:agpl3+)))
 687
 688 (define-public klavaro
 689   (package
 690     (name "klavaro")
 691     (version "3.13")
 692     (source
 693       (origin
 694         (method url-fetch)
 695         (uri (string-append "mirror://sourceforge/klavaro/klavaro-"
 696                             version ".tar.bz2"))
 697         (sha256
 698          (base32 "0z6c3lqikk50mkz3ipm93l48qj7b98lxyip8y6ndg9y9k0z0n878"))))
 699     (build-system gnu-build-system)
 700     (native-inputs
 701      `(("intltool" ,intltool)
 702        ("pkg-config" ,pkg-config)))
 703     (inputs
 704      `(("cairo" ,cairo)
 705        ("curl" ,curl)
 706        ("gtk+" ,gtk+)
 707        ("gtkdatabox" ,gtkdatabox)
 708        ("pango" ,pango)))
 709     (home-page "https://klavaro.sourceforge.io/en/index.html")
 710     (synopsis "Touch typing tutor")
 711     (description
 712      "Klavaro is a simple tutor to teach correct typing, almost independently of
 713 language and very flexible regarding to new or unknown keyboard layouts.")
 714     (license license:gpl3+)))
 715
 716 (define-public ktouch
 717   (package
 718     (name "ktouch")
 719     (version "20.12.1")
 720     (source
 721       (origin
 722         (method url-fetch)
 723         (uri (string-append "mirror://kde/stable/release-service/"
 724                             version "/src/ktouch-" version ".tar.xz"))
 725         (sha256
 726          (base32 "10lm2p8w26c9n6lhvw3301myfss0dq7hl7rawzb3hsy1lqvmvdib"))))
 727     (build-system qt-build-system)
 728     (native-inputs
 729      `(("extra-cmake-modules" ,extra-cmake-modules)
 730        ("kdoctools" ,kdoctools)
 731        ("pkg-config" ,pkg-config)))
 732     (inputs
 733      `(("kcmutils" ,kcmutils)
 734        ("kcompletion" ,kcompletion)
 735        ("kconfig" ,kconfig)
 736        ("kconfigwidgets" ,kconfigwidgets)
 737        ("kcoreaddons" ,kcoreaddons)
 738        ("kdeclarative" ,kdeclarative)
 739        ("ki18n" ,ki18n)
 740        ("kiconthemes" ,kiconthemes)
 741        ("kitemviews" ,kitemviews)
 742        ("kqtquickcharts" ,kqtquickcharts)
 743        ("ktextwidgets" ,ktextwidgets)
 744        ("kwidgetsaddons" ,kwidgetsaddons)
 745        ("kwindowsystem" ,kwindowsystem)
 746        ("kxmlgui" ,kxmlgui)
 747        ("libxcb" ,libxcb)
 748        ("libxkbfile" ,libxkbfile)
 749        ("qtbase" ,qtbase-5)
 750        ("qtdeclarative" ,qtdeclarative)
 751        ("qtgraphicaleffects" ,qtgraphicaleffects)
 752        ("qtquickcontrols2" ,qtquickcontrols2)
 753        ("qtx11extras" ,qtx11extras)
 754        ("qtxmlpatterns" ,qtxmlpatterns)))
 755     (home-page "https://edu.kde.org/ktouch/")
 756     (synopsis "Touch typing tutor")
 757     (description
 758      "KTouch is an aid for learning how to type with speed and accuracy.  It
 759 provides a sample text to type and indicates which fingers should be used for
 760 each key.  A collection of lessons are included for a wide range of different
 761 languages and keyboard layouts, and typing statistics are used to dynamically
 762 adjust the level of difficulty.")
 763     (license license:gpl2)))
 764
 765 (define-public kanatest
 766   ;; Latest release tarball is 0.4.8, which is really old and does not build
 767   ;; commit on sourceforge are not tagged, we take the latest
 768   (let ((commit "860e790a35f547cc96669f805d371a5ba3d8daff")
 769         (revision "0"))
 770     (package
 771       (name "kanatest")
 772       (version (git-version "0.4.10" revision commit))
 773       (source
 774        (origin
 775          (method git-fetch)
 776          (uri (git-reference
 777                (url "https://git.code.sf.net/p/kanatest/code")
 778                (commit commit)))
 779          (file-name (git-file-name name version))
 780          (sha256
 781           (base32 "0dz63m9p4ggzw0yb309qmgnl664qb5q268vaa3i9v0i8qsl66d78"))))
 782       (build-system gnu-build-system)
 783       (native-inputs
 784        `(("gettext" ,gettext-minimal)   ; for msgfmt
 785          ("pkg-config" ,pkg-config)))
 786       (inputs
 787        `(("libxml2" ,libxml2)
 788          ("gtk+" ,gtk+)))
 789       (home-page "https://kanatest.sourceforge.io/")
 790       (synopsis "Hiragana and Katakana simple flashcard tool")
 791       (description "Kanatest is a Japanese kana (Hiragana and Katakana) simple
 792 flashcard tool.
 793
 794 During test the Kanatest displays randomly selected kana char (respecting mode
 795 and lesson) and waits for user answer expected as romaji equivalent.  This
 796 process continues until all questions will be answered or all questions will
 797 be answered correctly (depends on options).  At the end of test a short info
 798 about drilling time and correctness ratio is displayed.  The results are
 799 stored and user can review his performance in any time.")
 800       (license license:gpl2+))))
 801
 802 (define-public anki
 803   (package
 804     (name "anki")
 805     ;; Later versions have dependencies on npm packages not yet in Guix.
 806     (version "2.1.16")
 807     (source
 808      (origin
 809        (method url-fetch)
 810        (uri (string-append "https://apps.ankiweb.net/downloads/archive/anki-"
 811                            version "-source.tgz"))
 812        (sha256
 813         (base32 "1gfr51rnllkyzli73p4r51h5ypzfa3m7lic3m3rzpywmqwrxs07k"))
 814        (patches (search-patches "anki-mpv-args.patch"))))
 815     (build-system gnu-build-system)
 816     (arguments
 817      `(#:make-flags (list (string-append "PREFIX=" %output))
 818        #:tests? #f                      ;no check target
 819        #:modules ((guix build gnu-build-system)
 820                   (guix build utils)
 821                   (ice-9 match))
 822        #:phases
 823        (modify-phases %standard-phases
 824          (add-after 'unpack 'disable-update-check
 825            ;; Don't ‘phone home’ unasked to check for updates.
 826            (lambda _
 827              (substitute* "aqt/update.py"
 828                (("requests\\.post")
 829                 "throw.an.exception.instead"))
 830              #t))
 831          (delete 'configure)            ;no configure script
 832          (add-after 'install 'wrap
 833            (lambda* (#:key inputs outputs #:allow-other-keys)
 834              (let ((bin (string-append (assoc-ref outputs "out") "/bin"))
 835                    ;; List of paths to the site-packages directories of Python
 836                    ;; library inputs.
 837                    (site-packages
 838                     (map (lambda (pyinput)
 839                            (string-append
 840                             (cdr pyinput)
 841                             "/lib/python"
 842                             ;; Calculate the python version to avoid breaking
 843                             ;; with future 3.X releases.
 844                             ,(version-major+minor
 845                               (package-version python-wrapper))
 846                             "/site-packages"))
 847                          (filter (match-lambda
 848                                    ((label . _)
 849                                     (string-prefix? "python-" label)))
 850                                  inputs)))
 851                    (qtwebengineprocess
 852                     (search-input-file inputs
 853                                        "lib/qt5/libexec/QtWebEngineProcess")))
 854                ;; The program fails to find the QtWebEngineProcess program, so
 855                ;; we set QTWEBENGINEPROCESS_PATH to help it.  PYTHONPATH is
 856                ;; wrapped to avoid declaring Python libraries as propagated
 857                ;; inputs.
 858                (for-each (lambda (program)
 859                            (wrap-program program
 860                              `("QTWEBENGINEPROCESS_PATH" =
 861                                (,qtwebengineprocess))
 862                              `("PATH" prefix (,(string-append
 863                                                 (assoc-ref inputs "mpv")
 864                                                 "/bin")))
 865                              `("GUIX_PYTHONPATH" = ,site-packages)))
 866                          (find-files bin ".")))
 867              #t)))))
 868     (native-inputs
 869      `(("xdg-utils" ,xdg-utils)))
 870     (inputs
 871      `(("lame" ,lame)
 872        ("mpv" ,mpv)
 873        ("python" ,python-wrapper)
 874        ("python-beautifulsoup4" ,python-beautifulsoup4)
 875        ("python-decorator" ,python-decorator)
 876        ("python-distro" ,python-distro)
 877        ("python-jsonschema" ,python-jsonschema)
 878        ("python-markdown" ,python-markdown)
 879        ("python-pyaudio" ,python-pyaudio)
 880        ;; `python-pyqtwebengine' must precede `python-pyqt' in PYTHONPATH.
 881        ("python-pyqtwebengine" ,python-pyqtwebengine)
 882        ("python-pyqt" ,python-pyqt)
 883        ("python-requests" ,python-requests)
 884        ("python-send2trash" ,python-send2trash)
 885        ("python-sip" ,python-sip)
 886        ;; `qtwebengine' is included in `pyqtwebengine', included here for easy
 887        ;; wrapping.
 888        ("qtwebengine" ,qtwebengine)))
 889     (home-page "https://apps.ankiweb.net/")
 890     (synopsis "Powerful, intelligent flash cards")
 891     (description "Anki is a program which makes remembering things
 892 easy.  Because it's a lot more efficient than traditional study
 893 methods, you can either greatly decrease your time spent studying, or
 894 greatly increase the amount you learn.
 895
 896 Anyone who needs to remember things in their daily life can benefit
 897 from Anki.  Since it is content-agnostic and supports images, audio,
 898 videos and scientific markup (via LaTeX), the possibilities are
 899 endless.  For example:
 900 @itemize
 901 @item Learning a language
 902 @item Studying for medical and law exams
 903 @item Memorizing people's names and faces
 904 @item Brushing up on geography
 905 @item Mastering long poems
 906 @item Even practicing guitar chords!
 907 @end itemize")
 908     (license license:agpl3+)))
 909
 910 (define-public t4k-common
 911   (package
 912     (name "t4k-common")
 913     (version "0.1.1")
 914     (source
 915      (origin
 916        (method git-fetch)
 917        (uri (git-reference
 918              (url "https://github.com/tux4kids/t4kcommon")
 919              (commit (string-append "upstream/" version))))
 920        (file-name (git-file-name name version))
 921        (sha256
 922         (base32 "13q02xpmps9qg8zrzzy2gzv4a6afgi28lxk4z242j780v0gphchp"))
 923        (patches (search-patches "t4k-common-libpng16.patch"))
 924        (modules '((guix build utils)))
 925        (snippet
 926         `(begin
 927            (substitute* "src/t4k_common.h"
 928              (("char wrapped_lines") "extern char wrapped_lines"))
 929            #t))))
 930     (build-system cmake-build-system)
 931     (arguments
 932      `(#:tests? #f                      ;FIXME: cannot find how to run tests
 933        #:phases
 934        (modify-phases %standard-phases
 935          (add-after 'set-paths 'set-sdl-paths
 936            (lambda* (#:key inputs #:allow-other-keys)
 937              (setenv "CPATH"
 938                      (string-append
 939                       (search-input-directory inputs "/include/SDL")
 940                       ":" (or (getenv "CPATH") "")))))
 941          (add-after 'unpack 'fix-andika-font-path
 942            (lambda* (#:key inputs #:allow-other-keys)
 943              (substitute* "src/t4k_sdl.c"
 944                (("(/usr/share/.*?)/AndikaDesRevG\\.ttf")
 945                 (string-append (assoc-ref inputs "font-andika")
 946                                "/share/fonts/truetype")))
 947              #t)))))
 948     (native-inputs
 949      `(("pkg-config" ,pkg-config)))
 950     (inputs
 951      `(("font-andika" ,font-sil-andika)
 952        ("libpng" ,libpng)
 953        ("librsvg" ,librsvg)
 954        ("libxml2" ,libxml2)
 955        ("sdl" ,(sdl-union (list sdl sdl-image sdl-mixer sdl-net sdl-pango)))))
 956     (home-page "https://github.com/tux4kids/t4kcommon")
 957     (synopsis "Library of code shared between TuxMath and TuxType")
 958     (description "Tux4Kids-Common is a library of code shared between
 959 TuxMath and TuxType.")
 960     (license license:gpl3+)))
 961
 962 (define-public tuxmath
 963   (package
 964     (name "tuxmath")
 965     (version "2.0.3")
 966     (source
 967      (origin
 968        (method git-fetch)
 969        (uri (git-reference
 970              (url "https://github.com/tux4kids/tuxmath")
 971              (commit (string-append "upstream/" version))))
 972        (file-name (git-file-name name version))
 973        (sha256
 974         (base32 "1f1pz83w6d3mbik2h6xavfxmk5apxlngxbkh80x0m55lhniwkdxv"))
 975        (modules '((guix build utils)))
 976        ;; Unbundle fonts.
 977        (snippet
 978         `(begin
 979            ;; Remove duplicate definition.
 980            (substitute* "src/menu_lan.c"
 981              (("lan_player_type.*MAX_CLIENTS\\];") ""))
 982            (for-each delete-file (find-files "data/fonts" "\\.ttf$"))
 983            #t))))
 984     (build-system gnu-build-system)
 985     (arguments
 986      `(#:tests? #f                      ;no test
 987        #:phases
 988        (modify-phases %standard-phases
 989          (add-after 'set-paths 'set-sdl-paths
 990            (lambda* (#:key inputs #:allow-other-keys)
 991              (setenv "CPATH"
 992                      (string-append
 993                       (search-input-directory inputs "/include/SDL")
 994                       ":"
 995                       (or (getenv "CPATH") "")))))
 996          (add-after 'install 'install-desktop-file
 997            (lambda* (#:key outputs #:allow-other-keys)
 998              (let* ((out (assoc-ref outputs "out"))
 999                     (apps (string-append out "/share/applications"))
1000                     (pixmaps (string-append out "/share/pixmaps")))
1001                (install-file "tuxmath.desktop" apps)
1002                (for-each (lambda (f) (install-file f pixmaps))
1003                          (find-files "data/images/icons/"
1004                                      "tuxmath\\.(png|ico|svg)$"))
1005                #t))))))
1006     (native-inputs
1007      `(("pkg-config" ,pkg-config)))
1008     (inputs
1009      `(("librsvg" ,librsvg)
1010        ("libxml2" ,libxml2)
1011        ("sdl" ,(sdl-union (list sdl sdl-image sdl-mixer sdl-net sdl-pango)))
1012        ("t4k-common" ,t4k-common)))
1013     (home-page "https://github.com/tux4kids/tuxmath")
1014     (synopsis "Educational math tutorial game")
1015     (description "@emph{Tux, of Math Command} is an educational math
1016 tutorial game starring Tux, the Linux penguin, in which you play the
1017 part of Commander Tux, as he defends his friends from an attack of
1018 math equations.  Comets are crashing towards the friendly penguins in
1019 their igloos, and you must destroy the comets by solving their
1020 equations.
1021
1022 TuxMath also includes Factoroids, a game that gives practice in
1023 factoring numbers and simplifying fractions, as well as zapping rocks
1024 floating through space.")
1025     (license license:gpl3+)))
1026
1027 (define-public libeb
1028   (package
1029     (name "libeb")
1030     (version "4.4.3")
1031     (source
1032      (origin
1033        (method url-fetch)
1034        (uri
1035         (string-append "ftp://ftp.sra.co.jp/pub/misc/eb/eb-" version ".tar.bz2"))
1036        (sha256
1037         (base32
1038          "0psbdzirazfnn02hp3gsx7xxss9f1brv4ywp6a15ihvggjki1rxb"))))
1039     (build-system gnu-build-system)
1040     (native-inputs ; Required for building docs
1041      `(("perl" ,perl)))
1042     (inputs
1043      `(("zlib" ,zlib)))
1044     (synopsis "C library for accessing Japanese CD-ROM books")
1045     (description "The EB library is a library for accessing CD-ROM
1046 books, which are a common way to distribute electronic dictionaries in
1047 Japan.  It supports the EB, EBG, EBXA, EBXA-C, S-EBXA and EPWING
1048 formats.")
1049     ;; FIXME: I cannot find a real home page
1050     (home-page "https://sra.co.jp/")
1051     (license license:bsd-3)))
1052
1053 (define-public qolibri
1054   (package
1055     (name "qolibri")
1056     (version "2.1.4")
1057     (source
1058      (origin
1059        (method git-fetch)
1060        (uri (git-reference
1061              (url"https://github.com/ludios/qolibri")
1062              (commit version)))
1063        (file-name (git-file-name name version))
1064        (sha256
1065         (base32 "066y7jcq9vg6hnvn7qxckzhd1qkgfzpzhw69nw5psm43qbaca8lg"))))
1066     (build-system qt-build-system)
1067     (arguments
1068      '(#:tests? #f)) ; no test target
1069     (native-inputs
1070      `(("qttools", qttools)))
1071     (inputs
1072      `(("libeb" ,libeb)
1073        ("qtbase" ,qtbase-5)
1074        ("qtmultimedia" ,qtmultimedia)
1075        ("qtquickcontrols2" ,qtquickcontrols2)
1076        ("qtdeclarative" ,qtdeclarative)
1077        ("qtwebchannel" ,qtwebchannel)
1078        ("qtwebengine" ,qtwebengine)
1079        ("zlib" ,zlib)))
1080     (synopsis "EPWING dictionary reader")
1081     (description "qolibri is a dictionary viewer for the EPWING dictionary
1082 format.  Most monolingual Japanese dictionaries can only be found in the
1083 EPWING format.")
1084     (home-page "https://github.com/ludios/qolibri")
1085     (license license:gpl2)))
1086
1087 (define-public mdk
1088   (package
1089     (name "mdk")
1090     (version "1.3.0")
1091     (source
1092      (origin
1093        (method url-fetch)
1094        (uri (string-append "mirror://gnu/mdk/v" version "/mdk-"
1095                            version ".tar.gz"))
1096        (sha256
1097         (base32
1098          "0bhk3c82kyp8167h71vdpbcr852h5blpnwggcswqqwvvykbms7lb"))))
1099     (build-system gnu-build-system)
1100     (arguments
1101      `(#:configure-flags (list "--enable-gui=yes" "-with-readline=yes")))
1102     (native-inputs
1103      `(("flex" ,flex)
1104        ("intltool" ,intltool)
1105        ("pkg-config" ,pkg-config)))
1106     (inputs
1107      `(("glib" ,glib)
1108        ("gtk+" ,gtk+)
1109        ("libglade" ,libglade)
1110        ("ncurses" ,ncurses)
1111        ("pango" ,pango)
1112        ("readline" ,readline)))
1113     (home-page "https://www.gnu.org/software/mdk/manual/")
1114     (synopsis "Virtual development environment for Knuth's MIX")
1115     (description
1116      "GNU MDK is the Mix Development Kit, an emulation of the pedagogical
1117 computer MIX and its assembly language MIXAL.  MIX has a virtual CPU with
1118 standard features such as registers, memory cells, an overflow toggle,
1119 comparison flags, input-output devices, and a set of binary instructions.
1120 The package includes a compiler, a virtual machine, a GUI for the virtual
1121 machine, and more.")
1122     (license license:gpl3+)))
1123
1124 (define-public exercism
1125   (package
1126     (name "exercism")
1127     (version "3.0.13")
1128     (source
1129      (origin
1130        (method git-fetch)
1131        (uri (git-reference
1132              (url "https://github.com/exercism/cli")
1133              (commit (string-append "v" version))))
1134        (file-name (git-file-name name version))
1135        (sha256
1136         (base32
1137          "17gvz9a0sn4p36hf4l77bxhhfipf4x998iay31layqwbnzmb4xy7"))
1138        (patches (search-patches "exercism-disable-self-update.patch"))))
1139     (build-system go-build-system)
1140     (arguments
1141      `(#:import-path "github.com/exercism/cli/exercism"
1142        #:unpack-path "github.com/exercism/cli"
1143        #:install-source? #f))
1144     (inputs
1145      `(("github.com/blang/semver" ,go-github-com-blang-semver)
1146        ("github.com/spf13/cobra" ,go-github-com-spf13-cobra)
1147        ("github.com/spf13/pflag" ,go-github-com-spf13-pflag)
1148        ("github.com/spf13/viper" ,go-github-com-spf13-viper)
1149        ("golang.org/x/net" ,go-golang-org-x-net)
1150        ("golang.org/x/text" ,go-golang-org-x-text)))
1151     (home-page "https://exercism.io")
1152     (synopsis "Mentored learning for programming languages")
1153     (description "Commandline client for exercism.io, a free service providing
1154 mentored learning for programming languages.")
1155     (license license:expat)))