{ lib, buildPythonPackage, config, cudaSupport ? config.cudaSupport, cupy, fetchFromGitHub, filelock, mock, numpy, protobuf, pytestCheckHook, pythonOlder, six, typing-extensions, }: buildPythonPackage rec { pname = "chainer"; version = "7.8.1.post1"; format = "setuptools"; disabled = pythonOlder "3.7"; src = fetchFromGitHub { owner = "chainer"; repo = "chainer"; rev = "refs/tags/v${version}"; hash = "sha256-epwnExmyCWmwaOz+mJnAl1peEeHLBdQGC62BlLfSTQQ="; }; propagatedBuildInputs = [ filelock numpy protobuf six typing-extensions ] ++ lib.optionals cudaSupport [ cupy ]; nativeCheckInputs = [ mock pytestCheckHook ]; pytestFlagsArray = [ "tests/chainer_tests/utils_tests" ]; preCheck = '' # cf. https://github.com/chainer/chainer/issues/8621 export CHAINER_WARN_VERSION_MISMATCH=0 # ignore pytest warnings not listed rm setup.cfg ''; disabledTests = [ "gpu" "cupy" "ideep" ]; pythonImportsCheck = [ "chainer" ]; meta = with lib; { description = "Flexible framework of neural networks for deep learning"; homepage = "https://chainer.org/"; license = licenses.mit; maintainers = with maintainers; [ hyphon81 ]; }; }