{ lib
, stdenv
, buildPythonPackage
, callPackage
, horizon-eda
, mesa
, pycairo
, python
, pythonOlder
}:

let
  base = horizon-eda.passthru.base;
in
buildPythonPackage {
  inherit (base) pname version src meta CASROOT;

  pyproject = false;

  disabled = pythonOlder "3.9";

  buildInputs = base.buildInputs ++ [
    mesa
    mesa.osmesa
    python
  ];

  propagatedBuildInputs = [
    pycairo
  ];

  nativeBuildInputs = base.nativeBuildInputs;

  buildFlags = ["pymodule"];

  installPhase = ''
    runHook preInstall

    mkdir -p $out/${python.sitePackages}
    cp build/horizon.so $out/${python.sitePackages}

    runHook postInstall
  '';

  enableParallelBuilding = true;
}