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path: root/nixpkgs/pkgs/development/python-modules/skyfield/default.nix
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{ lib, buildPythonPackage, pythonOlder, fetchFromGitHub, certifi, numpy, sgp4, jplephem
, pandas, ipython, matplotlib, assay
}:

buildPythonPackage rec {
  pname = "skyfield";
  version = "1.45";
  format = "setuptools";

  src = fetchFromGitHub {
    owner = "skyfielders";
    repo = "python-skyfield";
    rev = version;
    hash = "sha256-kZrXNVE+JGPGiVsd6CTwOqfciYLsD2A4pTS3FpqO+Dk=";
  };

  # Fix broken tests on "exotic" platforms.
  # https://github.com/skyfielders/python-skyfield/issues/582#issuecomment-822033858
  postPatch = ''
    substituteInPlace skyfield/tests/test_planetarylib.py \
      --replace "if IS_32_BIT" "if True"
  '';

  propagatedBuildInputs = [ certifi numpy sgp4 jplephem ];

  nativeCheckInputs = [ pandas ipython matplotlib assay ];

  # assay is broken on Python >= 3.11
  # https://github.com/brandon-rhodes/assay/issues/15
  doCheck = pythonOlder "3.11";

  checkPhase = ''
    runHook preCheck

    cd ci
    assay --batch skyfield.tests

    runHook postCheck
  '';

  pythonImportsCheck = [ "skyfield" ];

  meta = with lib; {
    homepage = "https://github.com/skyfielders/python-skyfield";
    description = "Elegant astronomy for Python";
    license = licenses.mit;
    maintainers = with maintainers; [ zane ];
  };
}