92 lines
1.9 KiB
Nix
92 lines
1.9 KiB
Nix
{
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lib,
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torch,
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buildPythonPackage,
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fetchFromGitHub,
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# nativeBuildInputs
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libpng,
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ninja,
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which,
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# buildInputs
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libjpeg_turbo,
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# dependencies
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numpy,
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pillow,
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scipy,
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# tests
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pytest,
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}:
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let
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inherit (torch) cudaCapabilities cudaPackages cudaSupport;
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inherit (cudaPackages) backendStdenv;
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pname = "torchvision";
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version = "0.20.1";
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in
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buildPythonPackage {
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inherit pname version;
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src = fetchFromGitHub {
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owner = "pytorch";
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repo = "vision";
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rev = "refs/tags/v${version}";
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hash = "sha256-BXvi4LoO2LZtNSE8lvFzcN4H2nN2fRg5/s7KRci7rMM=";
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};
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nativeBuildInputs = [
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libpng
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ninja
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which
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] ++ lib.optionals cudaSupport [ cudaPackages.cuda_nvcc ];
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buildInputs = [
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libjpeg_turbo
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libpng
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torch.cxxdev
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];
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dependencies = [
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numpy
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pillow
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torch
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scipy
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];
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preConfigure =
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''
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export TORCHVISION_INCLUDE="${libjpeg_turbo.dev}/include/"
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export TORCHVISION_LIBRARY="${libjpeg_turbo}/lib/"
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''
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# NOTE: We essentially override the compilers provided by stdenv because we don't have a hook
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# for cudaPackages to swap in compilers supported by NVCC.
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+ lib.optionalString cudaSupport ''
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export CC=${backendStdenv.cc}/bin/cc
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export CXX=${backendStdenv.cc}/bin/c++
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export TORCH_CUDA_ARCH_LIST="${lib.concatStringsSep ";" cudaCapabilities}"
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export FORCE_CUDA=1
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'';
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# tries to download many datasets for tests
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doCheck = false;
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pythonImportsCheck = [ "torchvision" ];
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checkPhase = ''
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HOME=$TMPDIR py.test test --ignore=test/test_datasets_download.py
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'';
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nativeCheckInputs = [ pytest ];
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meta = {
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description = "PyTorch vision library";
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homepage = "https://pytorch.org/";
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changelog = "https://github.com/pytorch/vision/releases/tag/v${version}";
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license = lib.licenses.bsd3;
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platforms = with lib.platforms; linux ++ lib.optionals (!cudaSupport) darwin;
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maintainers = with lib.maintainers; [ ericsagnes ];
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};
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}
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