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{
lib,
stdenv,
buildPythonPackage,
# build-system
pybind11,
setuptools,
# dependencies
ctranslate2-cpp,
numpy,
pyyaml,
# tests
pytestCheckHook,
torch,
transformers,
writableTmpDirAsHomeHook,
wurlitzer,
}:
buildPythonPackage rec {
inherit (ctranslate2-cpp) pname version src;
pyproject = true;
# https://github.com/OpenNMT/CTranslate2/tree/master/python
sourceRoot = "${src.name}/python";
postPatch = ''
substituteInPlace pyproject.toml \
--replace-fail "pybind11==" "pybind11>="
'';
build-system = [
pybind11
setuptools
];
buildInputs = [ ctranslate2-cpp ];
dependencies = [
numpy
pyyaml
];
cmakeFlags = [ "-DCMAKE_POLICY_VERSION_MINIMUM=3.5" ];
pythonImportsCheck = [
# https://opennmt.net/CTranslate2/python/overview.html
"ctranslate2"
"ctranslate2.converters"
"ctranslate2.models"
"ctranslate2.specs"
];
nativeCheckInputs = [
pytestCheckHook
torch
transformers
writableTmpDirAsHomeHook
wurlitzer
];
preCheck = ''
# run tests against build result, not sources
rm -rf ctranslate2
'';
disabledTests =
lib.optionals (stdenv.hostPlatform.isAarch64 && stdenv.hostPlatform.isLinux) [
# RuntimeError: Failed to initialize cpuinfo!"
"test_torch_variables"
]
++ lib.optionals stdenv.hostPlatform.isDarwin [
# Fatal Python error: Aborted
"test_invalid_model_path"
];
disabledTestPaths = [
# TODO: ModuleNotFoundError: No module named 'opennmt'
"tests/test_opennmt_tf.py"
# OSError: We couldn't connect to 'https://huggingface.co' to load this file
"tests/test_transformers.py"
];
meta = {
description = "Fast inference engine for Transformer models";
homepage = "https://github.com/OpenNMT/CTranslate2";
changelog = "https://github.com/OpenNMT/CTranslate2/blob/${src.rev}/CHANGELOG.md";
license = lib.licenses.mit;
maintainers = with lib.maintainers; [ hexa ];
};
}
|
