75 lines
2 KiB
Nix
75 lines
2 KiB
Nix
{ stdenv
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, lib
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, fetchPypi
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, gcc
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, writeScriptBin
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, buildPythonPackage
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, isPyPy
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, pythonOlder
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, isPy3k
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, nose
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, numpy
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, pydot_ng
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, scipy
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, six
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, libgpuarray
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, cudaSupport ? false, cudatoolkit
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, cudnnSupport ? false, cudnn
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}:
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assert cudnnSupport -> cudaSupport;
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let
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extraFlags =
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lib.optionals cudaSupport [ "-I ${cudatoolkit}/include" "-L ${cudatoolkit}/lib" ]
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++ lib.optionals cudnnSupport [ "-I ${cudnn}/include" "-L ${cudnn}/lib" ];
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gcc_ = writeScriptBin "g++" ''
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#!${stdenv.shell}
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export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE ${toString extraFlags}"
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exec ${gcc}/bin/g++ "$@"
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'';
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libgpuarray_ = libgpuarray.override { inherit cudaSupport; };
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in buildPythonPackage rec {
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name = "${pname}-${version}";
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pname = "Theano";
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version = "1.0.1";
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disabled = isPyPy || pythonOlder "2.6" || (isPy3k && pythonOlder "3.3");
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src = fetchPypi {
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inherit pname version;
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sha256 = "88d8aba1fe2b6b75eacf455d01bc7e31e838c5a0fb8c13dde2d9472495ff4662";
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};
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postPatch = ''
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sed -i 's,g++,${gcc_}/bin/g++,g' theano/configdefaults.py
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'' + lib.optionalString cudnnSupport ''
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sed -i \
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-e "s,ctypes.util.find_library('cudnn'),'${cudnn}/lib/libcudnn.so',g" \
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-e "s/= _dnn_check_compile()/= (True, None)/g" \
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theano/gpuarray/dnn.py
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'';
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preCheck = ''
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mkdir -p check-phase
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export HOME=$(pwd)/check-phase
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'';
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doCheck = false;
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# takes far too long, also throws "TypeError: sort() missing 1 required positional argument: 'a'"
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# when run from the installer, and testing with Python 3.5 hits github.com/Theano/Theano/issues/4276,
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# the fix for which hasn't been merged yet.
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# keep Nose around since running the tests by hand is possible from Python or bash
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checkInputs = [ nose ];
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propagatedBuildInputs = [ numpy numpy.blas scipy six libgpuarray_ ];
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meta = with stdenv.lib; {
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homepage = http://deeplearning.net/software/theano/;
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description = "A Python library for large-scale array computation";
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license = licenses.bsd3;
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maintainers = with maintainers; [ maintainers.bcdarwin ];
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};
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}
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