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nixpkgs/pkgs/development/python-modules/chainer/default.nix
2019-12-04 09:40:44 -08:00

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{ lib, buildPythonPackage, fetchFromGitHub, isPy3k
, filelock, protobuf, numpy, pytest, mock, typing-extensions
, cupy, cudaSupport ? false
}:
buildPythonPackage rec {
pname = "chainer";
version = "6.5.0";
disabled = !isPy3k; # python2.7 abandoned upstream
# no tests in Pypi tarball
src = fetchFromGitHub {
owner = "chainer";
repo = "chainer";
rev = "v${version}";
sha256 = "0ha9fbl6sa3fbnsz3y1pg335iiskdbxw838m5j06zgzy156zna1x";
};
# remove on 7.0 or 6.6 release
postPatch = ''
sed -i '/typing/d' setup.py
'';
checkInputs = [
pytest
mock
];
propagatedBuildInputs = [
filelock
protobuf
numpy
typing-extensions
] ++ lib.optionals cudaSupport [ cupy ];
# avoid gpu tests
checkPhase = ''
pytest tests/chainer_tests/utils_tests -k 'not gpu and not cupy'
'';
meta = with lib; {
description = "A flexible framework of neural networks for deep learning";
homepage = https://chainer.org/;
license = licenses.mit;
maintainers = with maintainers; [ hyphon81 ];
};
}