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{
lib,
stdenv,
fetchFromGitHub,
fetchpatch,
buildPythonPackage,
python,
# nativeBuildInputs
cmake,
pybind11,
# propagatedBuildInputs
meshlab,
numpy,
# buildInputs
libsForQt5,
llvmPackages,
glew,
vcg,
}:
let
version = "2025.7";
in
buildPythonPackage {
inherit version;
pname = "pymeshlab";
pyproject = false;
src = fetchFromGitHub {
owner = "cnr-isti-vclab";
repo = "pymeshlab";
tag = "v${version}";
hash = "sha256-LCR2/AyX9uVX4xhZareUL6YlpUsCFiGDMBB5nFp+H6k=";
};
patches = [
# CMake: allow use of system-provided meshlab & pybind11
# ref. https://github.com/cnr-isti-vclab/PyMeshLab/pull/445
# merged upstream
(fetchpatch {
url = "https://github.com/cnr-isti-vclab/PyMeshLab/commit/b363caae4362746b3f9e9326fe7b72a2ec7824d9.patch";
hash = "sha256-euKfOx/T0qdeMx79dpEalzmdWsr4nbDFJfKdksvULBw=";
})
];
nativeBuildInputs = [
cmake
pybind11
];
propagatedBuildInputs = [
meshlab
numpy
];
buildInputs = [
glew
libsForQt5.qtbase
vcg
]
++ lib.optionals stdenv.cc.isClang [
llvmPackages.openmp
];
dontWrapQtApps = true;
cmakeFlags = [
"-DCMAKE_INSTALL_PREFIX=${placeholder "out"}/${python.sitePackages}/pymeshlab"
];
# Get io & filter plugins from meshlab, to avoild render, decorate & edit ones
postInstall =
let
plugins =
if stdenv.hostPlatform.isDarwin then
"Applications/meshlab.app/Contents/PlugIns"
else
"lib/meshlab/plugins";
pyPlugins = if stdenv.hostPlatform.isDarwin then "PlugIns" else "lib/plugins";
in
''
install -D -t $out/${python.sitePackages}/pymeshlab/${pyPlugins} \
${meshlab}/${plugins}/libio_* \
${meshlab}/${plugins}/libfilter_*
'';
postFixup = lib.optionalString stdenv.hostPlatform.isLinux ''
patchelf \
--add-needed ${meshlab}/lib/meshlab/libmeshlab-common.so \
$out/${python.sitePackages}/pymeshlab/pmeshlab.*.so
'';
pythonImportsCheck = [ "pymeshlab" ];
meta = {
description = "Open source mesh processing python library";
homepage = "https://github.com/cnr-isti-vclab/PyMeshLab";
license = lib.licenses.gpl3Only;
maintainers = with lib.maintainers; [ nim65s ];
platforms = with lib.platforms; linux ++ darwin;
};
}
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