{
  description = "DLSite download organizer";

  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";

  outputs = { self, nixpkgs }: let
    pkgs = import nixpkgs {
      system = "x86_64-linux";
      config.allowUnfree = true;
    };
  in {
    packages.x86_64-linux = with pkgs.python3Packages; rec {
      lxml5 = buildPythonPackage rec {
        pname = "lxml";
        version = "5.0.1";
        format = "setuptools";
        src = pkgs.fetchFromGitHub {
          owner = pname;
          repo = pname;
          rev = "refs/tags/lxml-${version}";
          hash = "sha256-RAh93UJiBcRxXSARJvD3o91i+MdelwlaCEK2aVu0joc=";
        };
        nativeBuildInputs = with pkgs; [ libxml2.dev libxslt.dev cython_3 ];
        buildInputs = with pkgs; [ libxml2 libxslt zlib ];

        # tests are meant to be ran "in-place" in the same directory as src
        doCheck = false;

        pythonImportsCheck = [ "lxml" "lxml.etree" ];
      };

      dlsite-async = buildPythonPackage rec {
        pname = "dlsite_async";
        version = "0.3.0";
        src = fetchPypi {
          inherit pname version;
          sha256 = "sha256-cUhH7eNIoQUKt0nUl+wSGFGbZpKmtwPWyVR2PTJI1co=";
        };
        pyproject = true;
        nativeBuildInputs = [ pkgs.pdm ];
        propagatedBuildInputs = [
          lxml5
          aiohttp
          beautifulsoup4
          pdm-backend
        ];
      };

      dlibrary = buildPythonApplication {
        pname = "dlibrary";
        version = "0.2";
        pyproject = true;
        propagatedBuildInputs = [
          pymupdf
          pillow
          requests
          dlsite-async
          jinja2
          importlib-resources
          setuptools
          libsixel
          (rarfile.override { useUnrar = true; })
          pyuca
        ];
        src = ./.;
      };
      default = dlibrary;
    };
  };
}