{ lib , absl-py , buildPythonPackage , fetchFromGitHub , jaxlib , numpy , opt-einsum , pytestCheckHook , pythonOlder , scipy , typing-extensions }: buildPythonPackage rec { pname = "jax"; version = "0.2.25"; format = "setuptools"; disabled = pythonOlder "3.7"; src = fetchFromGitHub { owner = "google"; repo = pname; rev = "jax-v${version}"; sha256 = "0f32is9896g4shfhjipj3rlgpjxci5y607lp8gxlgsdzdqfpckm2"; }; # jaxlib is _not_ included in propagatedBuildInputs because there are # different versions of jaxlib depending on the desired target hardware. The # JAX project ships separate wheels for CPU, GPU, and TPU. Currently only the # CPU wheel is packaged. propagatedBuildInputs = [ absl-py numpy opt-einsum scipy typing-extensions ]; checkInputs = [ jaxlib pytestCheckHook ]; # NOTE: Don't run the tests in the expiremental directory as they require flax # which creates a circular dependency. See https://discourse.nixos.org/t/how-to-nix-ify-python-packages-with-circular-dependencies/14648/2. # Not a big deal, this is how the JAX docs suggest running the test suite # anyhow. pytestFlagsArray = [ "-W ignore::DeprecationWarning" "tests/" ]; pythonImportsCheck = [ "jax" ]; meta = with lib; { description = "Differentiate, compile, and transform Numpy code"; homepage = "https://github.com/google/jax"; license = licenses.asl20; maintainers = with maintainers; [ samuela ]; }; }