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{
lib,
buildPythonPackage,
pythonOlder,
fetchFromGitHub,
# build-system
flit-core,
# dependencies
absl-py,
chex,
jax,
jaxlib,
numpy,
etils,
# checks
callPackage,
}:
buildPythonPackage rec {
pname = "optax";
version = "0.2.3";
pyproject = true;
disabled = pythonOlder "3.9";
src = fetchFromGitHub {
owner = "deepmind";
repo = "optax";
rev = "refs/tags/v${version}";
hash = "sha256-D1qKei3IjDP9fC62hf6fNtvHlnn09O/dKuzTBdLwW64=";
};
outputs = [
"out"
"testsout"
];
build-system = [ flit-core ];
dependencies = [
absl-py
chex
etils
jax
jaxlib
numpy
] ++ etils.optional-dependencies.epy;
postInstall = ''
mkdir $testsout
cp -R examples $testsout/examples
'';
pythonImportsCheck = [ "optax" ];
# check in passthru.tests.pytest to escape infinite recursion with flax
doCheck = false;
passthru.tests = {
pytest = callPackage ./tests.nix { };
};
meta = with lib; {
description = "Gradient processing and optimization library for JAX";
homepage = "https://github.com/deepmind/optax";
changelog = "https://github.com/deepmind/optax/releases/tag/v${version}";
license = licenses.asl20;
maintainers = with maintainers; [ ndl ];
};
}
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