nixpkgs/pkgs/by-name/we/weka/package.nix
2025-08-01 09:39:12 +02:00

102 lines
2.5 KiB
Nix

{
lib,
stdenv,
fetchurl,
openjdk11,
unzip,
makeWrapper,
makeDesktopItem,
copyDesktopItems,
xdg-utils,
imagemagick,
maxMemoryAllocationPool ? "1000M",
}:
stdenv.mkDerivation rec {
pname = "weka";
version = "3.9.6";
src = fetchurl {
url = "mirror://sourceforge/weka/${lib.replaceStrings [ "." ] [ "-" ] "${pname}-${version}"}.zip";
sha256 = "sha256-8fVN4MXYqXNEmyVtXh1IrauHTBZWgWG8AvsGI5Y9Aj0=";
};
nativeBuildInputs = [
makeWrapper
unzip
imagemagick
]
++ lib.optionals stdenv.hostPlatform.isLinux [ copyDesktopItems ];
# The -Xmx1000M comes suggested from their download page:
# https://www.cs.waikato.ac.nz/ml/weka/downloading.html
installPhase = ''
runHook preInstall
mkdir -pv $out/share/weka
mkdir -p $out/share/icons/hicolor
cp -Rv * $out/share/weka
makeWrapper ${openjdk11}/bin/java $out/bin/weka \
--add-flags "-Xmx${maxMemoryAllocationPool} -jar $out/share/weka/weka.jar"
makeWrapper ${openjdk11}/bin/java $out/bin/weka-java \
--add-flags "-Xmx${maxMemoryAllocationPool} -cp $out/share/weka/weka.jar"
${lib.optionalString stdenv.hostPlatform.isLinux "
makeWrapper ${xdg-utils}/bin/xdg-open $out/bin/weka-doc --add-flags $out/share/weka/documentation.html
"}
cat << EOF > $out/bin/weka-home
#!${stdenv.shell}
echo -n $out/share/weka
EOF
chmod ugo+x $out/bin/weka-home
for n in 16 24 32 48 64 96 128 256; do
size=$n"x"$n
mkdir -p $out/share/icons/hicolor/$size/apps
magick convert $out/share/weka/weka.gif -resize $size $out/share/icons/hicolor/$size/apps/weka.png
done;
runHook postInstall
'';
desktopItems = [
(makeDesktopItem {
name = "weka";
exec = "weka";
icon = "weka";
desktopName = "WEKA";
categories = [
"Science"
"ArtificialIntelligence"
"ComputerScience"
];
})
(makeDesktopItem {
name = "weka-doc";
exec = "weka-doc";
icon = "weka";
desktopName = "View the WEKA documentation with a web browser";
categories = [
"Science"
"ArtificialIntelligence"
"ComputerScience"
];
})
];
meta = with lib; {
homepage = "https://www.cs.waikato.ac.nz/ml/weka/";
description = "Collection of machine learning algorithms for data mining tasks";
mainProgram = "weka";
sourceProvenance = with sourceTypes; [ binaryBytecode ];
license = licenses.gpl2Plus;
maintainers = [ maintainers.mimame ];
platforms = platforms.unix;
};
}