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{ buildPythonPackage
, fetchFromGitHub
, lib
, libjpeg_turbo
, libpng
, ninja
, numpy
, pillow
, pytest
, scipy
, symlinkJoin
, torch
, which
}:
let
inherit (torch) cudaCapabilities cudaPackages cudaSupport;
inherit (cudaPackages) backendStdenv cudaVersion;
# NOTE: torchvision doesn't use cudnn; torch does!
# For this reason it is not included.
cuda-common-redist = with cudaPackages; [
cuda_cccl # <thrust/*>
libcublas # cublas_v2.h
libcusolver # cusolverDn.h
libcusparse # cusparse.h
];
cuda-native-redist = symlinkJoin {
name = "cuda-native-redist-${cudaVersion}";
paths = with cudaPackages; [
cuda_cudart # cuda_runtime.h
cuda_nvcc
] ++ cuda-common-redist;
};
cuda-redist = symlinkJoin {
name = "cuda-redist-${cudaVersion}";
paths = cuda-common-redist;
};
pname = "torchvision";
version = "0.14.1";
in
buildPythonPackage {
inherit pname version;
src = fetchFromGitHub {
owner = "pytorch";
repo = "vision";
rev = "refs/tags/v${version}";
hash = "sha256-lKkEJolJQaLr1TVm44CizbJQedGa1wyy0cFWg2LTJN0=";
};
nativeBuildInputs = [ libpng ninja which ] ++ lib.optionals cudaSupport [ cuda-native-redist ];
buildInputs = [ libjpeg_turbo libpng ] ++ lib.optionals cudaSupport [ cuda-redist ];
propagatedBuildInputs = [ numpy pillow torch scipy ];
preConfigure = ''
export TORCHVISION_INCLUDE="${libjpeg_turbo.dev}/include/"
export TORCHVISION_LIBRARY="${libjpeg_turbo}/lib/"
''
# NOTE: We essentially override the compilers provided by stdenv because we don't have a hook
# for cudaPackages to swap in compilers supported by NVCC.
+ lib.optionalString cudaSupport ''
export CC=${backendStdenv.cc}/bin/cc
export CXX=${backendStdenv.cc}/bin/c++
export TORCH_CUDA_ARCH_LIST="${lib.concatStringsSep ";" cudaCapabilities}"
export FORCE_CUDA=1
'';
# tries to download many datasets for tests
doCheck = false;
pythonImportsCheck = [ "torchvision" ];
checkPhase = ''
HOME=$TMPDIR py.test test --ignore=test/test_datasets_download.py
'';
nativeCheckInputs = [ pytest ];
meta = with lib; {
description = "PyTorch vision library";
homepage = "https://pytorch.org/";
license = licenses.bsd3;
platforms = with platforms; linux ++ lib.optionals (!cudaSupport) darwin;
maintainers = with maintainers; [ ericsagnes ];
};
}
|
