nixpkgs/pkgs/development/python-modules/jax/default.nix
2021-09-01 21:04:02 +00:00

40 lines
1.5 KiB
Nix

{ buildPythonPackage, fetchFromGitHub, lib
# propagatedBuildInputs
, absl-py, numpy, opt-einsum
# checkInputs
, jaxlib, pytestCheckHook
}:
buildPythonPackage rec {
pname = "jax";
version = "0.2.19";
# Fetching from pypi doesn't allow us to run the test suite. See https://discourse.nixos.org/t/pythonremovetestsdir-hook-being-run-before-checkphase/14612/3.
src = fetchFromGitHub {
owner = "google";
repo = pname;
rev = "jax-v${version}";
sha256 = "sha256-pVn62G7pydR7ybkf7gSbu0FlEq2c0US6H2GTBAljup4=";
};
# 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 ];
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/" ];
meta = with lib; {
description = "Differentiate, compile, and transform Numpy code";
homepage = "https://github.com/google/jax";
license = licenses.asl20;
maintainers = with maintainers; [ samuela ];
};
}