{
  description = "A comic strip downloader and archiver (unstable)";

  inputs = {
    nixpkgs.url = "nixpkgs/nixos-24.05";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = {
    self,
    nixpkgs,
    flake-utils,
    ...
  }: let
    pythonVersion = "python39";
  in
    flake-utils.lib.eachDefaultSystem (system: let
      pkgs = nixpkgs.legacyPackages.${system};
      lib = pkgs.lib;
      python3Packages = pkgs.python3Packages;
      fetchPypi = pkgs.fetchPypi;
    in rec {
      defaultPackage = python3Packages.buildPythonApplication rec {
        pname = "dosage";
        version = "3.1.dev104+g9e05fae304";
        format = "pyproject";

        src = builtins.fetchGit {
          url = "https://src.mfgames.com/dmoonfire/dosage.git";
          ref = "main";
          rev = "067dba7c75fb99532f1c4082ed0f7c9c0f4c7acb";
        };

        nativeCheckInputs = with python3Packages; [
          pytestCheckHook
          pytest-xdist
          responses
        ];

        nativeBuildInputs = with python3Packages; [setuptools-scm];

        propagatedBuildInputs = with python3Packages; [
          colorama
          imagesize
          lxml
          platformdirs
          requests
        ];

        meta = {
          description = "A comic strip downloader and archiver";
          homepage = "https://dosage.rocks/";
          license = lib.licenses.mit;
          maintainers = with lib.maintainers; [dmoonfire];
        };
      };

      formatter = pkgs.alejandra;
    });
}