nixpkgs/pkgs/development/python-modules/tensorflow-probability/default.nix
2020-03-03 01:12:26 +01:00

111 lines
2.4 KiB
Nix

{ lib
, fetchFromGitHub
, buildBazelPackage
, buildPythonPackage
, python
, setuptools
, wheel
, tensorflow
, six
, numpy
, decorator
, cloudpickle
, hypothesis
, scipy
, matplotlib
, mock
, pytest
}:
let
version = "0.7";
pname = "tensorflow_probability";
# first build all binaries and generate setup.py using bazel
bazel-wheel = buildBazelPackage {
name = "${pname}-${version}-py2.py3-none-any.whl";
src = fetchFromGitHub {
owner = "tensorflow";
repo = "probability";
rev = "v${version}";
sha256 = "0sy9gmjcvmwciamqvd7kd9qw2wd7ksklk80815fsn7sj0wiqxjyd";
};
nativeBuildInputs = [
# needed to create the output wheel in installPhase
python
setuptools
wheel
];
bazelTarget = ":pip_pkg";
fetchAttrs = {
sha256 = "0135nxxvkmjzpd80r1g9fdkk9h62g0xlvp32g5zgk0hkma5kq0bx";
};
buildAttrs = {
preBuild = ''
patchShebangs .
'';
installPhase = ''
# work around timestamp issues
# https://github.com/NixOS/nixpkgs/issues/270#issuecomment-467583872
export SOURCE_DATE_EPOCH=315532800
# First build, then move. Otherwise pip_pkg would create the dir $out
# and then put the wheel in that directory. However we want $out to
# point directly to the wheel file.
./bazel-bin/pip_pkg . --release
mv *.whl "$out"
'';
};
};
in buildPythonPackage {
inherit version pname;
format = "wheel";
src = bazel-wheel;
propagatedBuildInputs = [
tensorflow
six
numpy
decorator
cloudpickle
];
# Listed here:
# https://github.com/tensorflow/probability/blob/f01d27a6f256430f03b14beb14d37def726cb257/testing/run_tests.sh#L58
checkInputs = [
hypothesis
pytest
scipy
matplotlib
mock
];
# actual checks currently fail because for some reason
# tf.enable_eager_execution is called too late. Probably because upstream
# intents these tests to be run by bazel, not plain pytest.
# checkPhase = ''
# # tests need to import from other test files
# export PYTHONPATH="$PWD/tensorflow-probability:$PYTHONPATH"
# py.test
# '';
# sanity check
checkPhase = ''
python -c 'import tensorflow_probability'
'';
meta = with lib; {
description = "Library for probabilistic reasoning and statistical analysis";
homepage = https://www.tensorflow.org/probability/;
license = licenses.asl20;
maintainers = with maintainers; [ timokau ];
};
}