{ buildPythonPackage, pythonAtLeast, fetchFromGitHub, setuptools, lib, libjpeg, numba, opencv4, pandas, pkg-config, pytorch-pfn-extras, terminaltables, tqdm, pytestCheckHook, assertpy, psutil, torchvision, webdataset, stdenv, }: buildPythonPackage rec { pname = "ffcv"; version = "1.0.0"; pyproject = true; # version 1.0.0 uses distutils which was removed in Python 3.12 disabled = pythonAtLeast "3.12"; src = fetchFromGitHub { owner = "libffcv"; repo = pname; rev = "refs/tags/v${version}"; hash = "sha256-L2mwGFivq/gtAw+1D6U2jbW6VxYgetHX7OUrjwyybqE="; }; # See https://github.com/libffcv/ffcv/issues/159. postPatch = '' substituteInPlace setup.py \ --replace-fail "'assertpy'," "" \ --replace-fail "'fastargs'," "" \ --replace-fail "'opencv-python'," "" \ --replace-fail "'psutil'," "" \ ''; build-system = [ setuptools ]; nativeBuildInputs = [ pkg-config ]; buildInputs = [ libjpeg ]; propagatedBuildInputs = [ opencv4 numba pandas pytorch-pfn-extras terminaltables tqdm ]; pythonImportsCheck = [ "ffcv" ]; # C/C++ python modules are only in the installed output and not in the build # directory. Since tests are run from the build directory python prefers to # import the local module first which does not contain the C/C++ python # modules and results in an import error. By changing the directory to # 'tests' the build directory is no long available and python will import # from the installed output in the nix store which does contain the C/C++ # python modules. preCheck = '' cd tests ''; nativeCheckInputs = [ assertpy psutil pytestCheckHook torchvision webdataset ]; disabledTestPaths = [ # Tests require network access and do not work in the sandbox "test_augmentations.py" # Occasionally causes the testing phase to hang "test_basic_pipeline.py" ]; disabledTests = [ # Tests require network access and do not work in the sandbox "test_cifar_subset" # Requires CUDA which is unfree and unfree packages are not built by Hydra "test_cuda" "test_gpu_normalization" # torch.multiprocessing.spawn.ProcessRaisedException "test_traversal_sequential_2" "test_traversal_sequential_3" "test_traversal_sequential_4" "test_traversal_random_2" "test_traversal_random_3" "test_traversal_random_4" "test_traversal_sequential_distributed_with_indices" "test_traversal_random_distributed_with_indices" ]; meta = { description = "FFCV: Fast Forward Computer Vision"; homepage = "https://ffcv.io"; license = lib.licenses.asl20; maintainers = with lib.maintainers; [ samuela djacu ]; # OSError: dlopen(libc.so.6, 0x0006): tried: '/usr/lib/libc.so.6' (no such file, not in dyld cache), # 'libc.so.6' (no such file), '/usr/local/lib/libc.so.6' (no such file), '/usr/lib/libc.so.6' (no such file, not in dyld cache) broken = stdenv.hostPlatform.isDarwin; }; }