104 lines
3.1 KiB
Nix
104 lines
3.1 KiB
Nix
{ lib, stdenv
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, runCommandCC
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, fetchPypi
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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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, scipy
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, setuptools
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, six
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, libgpuarray
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, cudaSupport ? false, cudaPackages ? {}
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, cudnnSupport ? false
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}:
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let
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inherit (cudaPackages) cudatoolkit cudnn;
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in
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assert cudnnSupport -> cudaSupport;
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let
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wrapped = command: buildTop: buildInputs:
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runCommandCC "${command}-wrapped" { inherit buildInputs; } ''
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type -P '${command}' || { echo '${command}: not found'; exit 1; }
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cat > "$out" <<EOF
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#!$(type -P bash)
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$(declare -xp | sed -e '/^[^=]\+="\('"''${NIX_STORE//\//\\/}"'\|[^\/]\)/!d')
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declare -x NIX_BUILD_TOP="${buildTop}"
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$(type -P '${command}') "\$@"
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EOF
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chmod +x "$out"
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'';
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# Theano spews warnings and disabled flags if the compiler isn't named g++
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cxx_compiler_name =
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if stdenv.cc.isGNU then "g++" else
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if stdenv.cc.isClang then "clang++" else
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throw "Unknown C++ compiler";
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cxx_compiler = wrapped cxx_compiler_name "\\$HOME/.theano"
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( lib.optional cudaSupport libgpuarray_
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++ lib.optional cudnnSupport cudnn );
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# We need to be careful with overriding Python packages within the package set
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# as this can lead to collisions!
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libgpuarray_ = libgpuarray.override { inherit cudaSupport cudaPackages; };
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in buildPythonPackage rec {
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pname = "Theano";
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version = "1.0.5";
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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 = "129f43ww2a6badfdr6b88kzjzz2b0wk0dwkvwb55z6dsagfkk53f";
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};
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postPatch = ''
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substituteInPlace theano/configdefaults.py \
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--replace 'StrParam(param, is_valid=warn_cxx)' 'StrParam('\'''${cxx_compiler}'\''', is_valid=warn_cxx)' \
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--replace 'rc == 0 and config.cxx != ""' 'config.cxx != ""'
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'' + lib.optionalString cudaSupport ''
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substituteInPlace theano/configdefaults.py \
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--replace 'StrParam(get_cuda_root)' 'StrParam('\'''${cudatoolkit}'\''')'
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'' + lib.optionalString cudnnSupport ''
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substituteInPlace theano/configdefaults.py \
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--replace 'StrParam(default_dnn_base_path)' 'StrParam('\'''${cudnn}'\''')'
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'';
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# needs to be postFixup so it runs before pythonImportsCheck even when
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# doCheck = false (meaning preCheck would be disabled)
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postFixup = ''
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mkdir -p check-phase
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export HOME=$(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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# setuptools needed for cuda support
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propagatedBuildInputs = [
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libgpuarray_
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numpy
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numpy.blas
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scipy
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setuptools
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six
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];
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pythonImportsCheck = [ "theano" ];
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meta = with lib; {
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homepage = "https://github.com/Theano/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 = [ ];
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};
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}
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