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{
lib,
stdenv,
buildPythonPackage,
fetchFromGitHub,
pythonAtLeast,
# build-system
cmake,
cython,
ninja,
pkg-config,
scikit-build-core,
# native dependencies
c-blosc2,
# dependencies
msgpack,
ndindex,
numexpr,
numpy,
platformdirs,
py-cpuinfo,
requests,
# tests
psutil,
pytestCheckHook,
torch,
runTorchTests ? lib.meta.availableOn stdenv.hostPlatform torch,
}:
buildPythonPackage rec {
pname = "blosc2";
version = "3.12.2";
pyproject = true;
src = fetchFromGitHub {
owner = "Blosc";
repo = "python-blosc2";
tag = "v${version}";
hash = "sha256-t2tf8s2WwG4vEQbh8HACMtUjVrwmGby1yKd+IlL39PY=";
};
nativeBuildInputs = [
cmake
ninja
pkg-config
];
dontUseCmakeConfigure = true;
env.CMAKE_ARGS = lib.cmakeBool "USE_SYSTEM_BLOSC2" true;
build-system = [
cython
numpy
scikit-build-core
];
buildInputs = [ c-blosc2 ];
dependencies = [
msgpack
ndindex
numexpr
numpy
platformdirs
py-cpuinfo
requests
];
nativeCheckInputs = [
psutil
pytestCheckHook
]
++ lib.optionals runTorchTests [ torch ];
disabledTestMarks = [
"network"
];
disabledTests = [
# attempts external network requests
"test_with_remote"
]
++ lib.optionals (pythonAtLeast "3.14") [
# https://github.com/Blosc/python-blosc2/issues/551
"test_expand_dims"
];
disabledTestPaths = [
# Threads grow without limit
# https://github.com/Blosc/python-blosc2/issues/556
"tests/ndarray/test_lazyexpr.py"
"tests/ndarray/test_lazyexpr_fields.py"
"tests/ndarray/test_reductions.py"
];
passthru.c-blosc2 = c-blosc2;
meta = {
description = "Python wrapper for the extremely fast Blosc2 compression library";
homepage = "https://github.com/Blosc/python-blosc2";
changelog = "https://github.com/Blosc/python-blosc2/releases/tag/${src.tag}";
license = lib.licenses.bsd3;
maintainers = with lib.maintainers; [ ris ];
};
}
|
