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{
lib,
stdenv,
buildPythonPackage,
fetchPypi,
# build-system
setuptools,
setuptools-scm,
cython,
py-cpuinfo,
# dependencies
deprecated,
numpy,
# optional-dependencies
crc32c,
pyzstd,
# tests
msgpack,
pytestCheckHook,
importlib-metadata,
zstd,
}:
buildPythonPackage rec {
pname = "numcodecs";
version = "0.16.3";
pyproject = true;
src = fetchPypi {
inherit pname version;
hash = "sha256-U9cFhl+q8KeSfJc683d1MgAcj7tlPeEZwehEYIYU15k=";
};
build-system = [
setuptools
setuptools-scm
cython
py-cpuinfo
];
dependencies = [
deprecated
numpy
];
optional-dependencies = {
crc32c = [ crc32c ];
msgpack = [ msgpack ];
pyzstd = [ pyzstd ];
# zfpy = [ zfpy ];
};
preBuild = lib.optionalString (stdenv.hostPlatform.isx86 && !stdenv.hostPlatform.avx2Support) ''
export DISABLE_NUMCODECS_AVX2=1
'';
nativeCheckInputs = [
pytestCheckHook
importlib-metadata
zstd
]
++ lib.concatAttrValues optional-dependencies;
# https://github.com/NixOS/nixpkgs/issues/255262
preCheck = "pushd $out";
postCheck = "popd";
meta = {
homepage = "https://github.com/zarr-developers/numcodecs";
license = lib.licenses.mit;
description = "Buffer compression and transformation codecs for use in data storage and communication applications";
maintainers = with lib.maintainers; [ doronbehar ];
};
}
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