1{ 2 lib, 3 buildPythonPackage, 4 5 # build-system 6 pybind11, 7 setuptools, 8 9 # dependencies 10 ctranslate2-cpp, 11 numpy, 12 pyyaml, 13 14 # tests 15 pytestCheckHook, 16 tensorflow-bin, 17 torch, 18 transformers, 19 wurlitzer, 20}: 21 22buildPythonPackage rec { 23 inherit (ctranslate2-cpp) pname version src; 24 format = "setuptools"; 25 26 # https://github.com/OpenNMT/CTranslate2/tree/master/python 27 sourceRoot = "${src.name}/python"; 28 29 nativeBuildInputs = [ 30 pybind11 31 setuptools 32 ]; 33 34 buildInputs = [ ctranslate2-cpp ]; 35 36 propagatedBuildInputs = [ 37 numpy 38 pyyaml 39 ]; 40 41 pythonImportsCheck = [ 42 # https://opennmt.net/CTranslate2/python/overview.html 43 "ctranslate2" 44 "ctranslate2.converters" 45 "ctranslate2.models" 46 "ctranslate2.specs" 47 ]; 48 49 nativeCheckInputs = [ 50 pytestCheckHook 51 tensorflow-bin 52 torch 53 transformers 54 wurlitzer 55 ]; 56 57 preCheck = '' 58 # run tests against build result, not sources 59 rm -rf ctranslate2 60 61 export HOME=$TMPDIR 62 ''; 63 64 disabledTests = [ 65 # AssertionError: assert 'int8' in {'float32'} 66 "test_get_supported_compute_types" 67 ]; 68 69 disabledTestPaths = [ 70 # TODO: ModuleNotFoundError: No module named 'opennmt' 71 "tests/test_opennmt_tf.py" 72 # OSError: We couldn't connect to 'https://huggingface.co' to load this file 73 "tests/test_transformers.py" 74 ]; 75 76 meta = with lib; { 77 description = "Fast inference engine for Transformer models"; 78 homepage = "https://github.com/OpenNMT/CTranslate2"; 79 changelog = "https://github.com/OpenNMT/CTranslate2/blob/${src.rev}/CHANGELOG.md"; 80 license = licenses.mit; 81 maintainers = with maintainers; [ hexa ]; 82 }; 83}