{ lib , stdenv , buildPythonPackage , braceexpand , imageio , lmdb , msgpack , numpy , pytestCheckHook , pyyaml , setuptools , torch , torchvision , wheel , fetchFromGitHub }: buildPythonPackage rec { pname = "webdataset"; version = "0.2.86"; pyproject = true; src = fetchFromGitHub { owner = "webdataset"; repo = "webdataset"; rev = "refs/tags/${version}"; hash = "sha256-aTjxoSoQ9LH4gcFmV+7Aj0HNIpvsFHTrxFUpAtB3nkM="; }; nativeBuildInputs = [ setuptools wheel ]; propagatedBuildInputs = [ braceexpand numpy pyyaml ]; nativeCheckInputs = [ pytestCheckHook imageio torch torchvision msgpack lmdb ]; pythonImportsCheck = [ "webdataset" ]; disabledTests = [ # requires network "test_batched" "test_dataloader" "test_decode_handlers" "test_decoder" "test_decoder" "test_download" "test_handlers" "test_pipe" "test_shard_syntax" "test_torchvision" "test_torchvision" "test_unbatched" "test_yaml3" ] ++ lib.optionals stdenv.isDarwin [ # pickling error "test_background_download" ] ++ lib.optionals (stdenv.isAarch64 && stdenv.isLinux) [ # segfaults on aarch64-linux "test_webloader" "test_webloader2" "test_webloader_repeat" "test_webloader_unbatched" ]; meta = with lib; { description = "A high-performance Python-based I/O system for large (and small) deep learning problems, with strong support for PyTorch"; homepage = "https://github.com/webdataset/webdataset"; license = licenses.bsd3; maintainers = with maintainers; [ iynaix ]; }; }