{ lib, fetchFromGitHub, buildPythonPackage
, openslide
, pillow }:

buildPythonPackage rec {
  version = "1.1.2";
  name = "openslide-python-${version}";

  src = fetchFromGitHub {
    owner = "openslide";
    repo = "openslide-python";
    rev = "v${version}";
    sha256 = "0hjzmpdkii0kmndnix58ngd1fzskypzfc166gf970if0rkdxpqw7";
  };

  postPatch = ''
    sed -i 's|LoadLibrary('\'''libopenslide.so.0'\''')|LoadLibrary('\'''${openslide}/lib/libopenslide.so.0'\''')|' openslide/lowlevel.py
  '';

  buildInputs = [
    openslide
  ];

  propagatedBuildInputs = [
    pillow
  ];

  meta = with lib; {
    homepage = "http://openslide.org";
    description = "Python bindings for OpenSlide.";
    license = licenses.lgpl2;
  };
}