{ lib, stdenv, pythonPackages, fetchPypi, pkg-config
, qmake, qtbase, qtsvg, qtwebengine, qtwebchannel, qtdeclarative
, wrapQtAppsHook
, darwin
, buildPackages
}:

let
  inherit (pythonPackages) buildPythonPackage python isPy27 pyqt5 sip pyqt-builder;
  inherit (darwin) autoSignDarwinBinariesHook;
in buildPythonPackage (rec {
  pname = "pyqtwebengine";
  version = "5.15.6";
  format = "pyproject";

  disabled = isPy27;

  src = fetchPypi {
    pname = "PyQtWebEngine";
    inherit version;
    sha256 = "sha256-riQe8qYceCk5xYtSwq6lOtmbMPOTTINY1eCm67P9ByE=";
  };

  postPatch = ''
    substituteInPlace pyproject.toml \
      --replace "[tool.sip.project]" "[tool.sip.project]''\nsip-include-dirs = [\"${pyqt5}/${python.sitePackages}/PyQt5/bindings\"]"
  '';

  outputs = [ "out" "dev" ];

  nativeBuildInputs = [
    pkg-config
    qmake
  ] ++ lib.optionals (stdenv.buildPlatform == stdenv.hostPlatform) [
    sip
  ] ++ lib.optionals (stdenv.buildPlatform != stdenv.hostPlatform) [
    python.pythonOnBuildForHost.pkgs.sip
  ] ++ [
    qtbase
    qtsvg
    qtwebengine
    pyqt-builder
    pythonPackages.setuptools
  ] ++ lib.optionals (stdenv.buildPlatform != stdenv.hostPlatform) [
    qtdeclarative
  ] ++ lib.optionals (stdenv.isDarwin && stdenv.isAarch64) [
    autoSignDarwinBinariesHook
  ];

  buildInputs = [
    sip
    qtbase
    qtsvg
    qtwebengine
  ] ++ lib.optionals (stdenv.buildPlatform != stdenv.hostPlatform) [
    qtwebchannel
    qtdeclarative
  ];

  propagatedBuildInputs = [ pyqt5 ];

  dontWrapQtApps = true;

  # Avoid running qmake, which is in nativeBuildInputs
  dontConfigure = true;

  # Checked using pythonImportsCheck
  doCheck = false;

  pythonImportsCheck = [
    "PyQt5.QtWebEngine"
    "PyQt5.QtWebEngineWidgets"
  ];

  enableParallelBuilding = true;

  passthru = {
    inherit wrapQtAppsHook;
  };

  meta = with lib; {
    description = "Python bindings for Qt5";
    homepage    = "http://www.riverbankcomputing.co.uk";
    license     = licenses.gpl3;
    hydraPlatforms = lib.lists.intersectLists qtwebengine.meta.platforms platforms.mesaPlatforms;
  };
} // lib.optionalAttrs (stdenv.buildPlatform != stdenv.hostPlatform) {
  # TODO: figure out why the env hooks aren't adding these inclusions automatically
  env.NIX_CFLAGS_COMPILE =
    lib.concatStringsSep " " [
      "-I${lib.getDev qtbase}/include/QtPrintSupport/"
      "-I${lib.getDev qtwebchannel}/include/QtWebChannel/"
    ];
})