{
  description = "Flake using pyproject.toml metadata";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    # pyproject-nix.url = "github:pyproject-nix/pyproject.nix";
    # pyproject-nix.inputs.nixpkgs.follows = "nixpkgs";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = {
    self,
    nixpkgs,
    flake-utils,
    ...
  }:
    flake-utils.lib.eachDefaultSystem (system: let
      pkgs = nixpkgs.legacyPackages.${system};

      pyproject = builtins.fromTOML (builtins.readFile ./pyproject.toml);
      project = pyproject.project;
      package = pkgs.python3Packages.buildPythonPackage {
        pname = project.name;
        inherit (project) version;
        format = "pyproject";

        src = ./.;

        build-system = with pkgs.python3Packages; [
          uv-build
        ];

        # # test dependencies
        nativeCheckInputs = with pkgs; [
          #   python3Packages.mypy
          #   python3Packages.pytest
          taplo
        ];

        # checkPhase = '''';

        propagatedBuildInputs = with pkgs; [
          python3Packages.click
        ] ++ builtins.map (dep: pkgs.python3Packages.${dep}) project.dependencies;
      };

      editablePackage = pkgs.python3.pkgs.mkPythonEditablePackage {
        pname = project.name;
        inherit (project) scripts version;
        root = "$PWD";
      };
    in {
      devShells = {
        default = pkgs.mkShell {
          inputsFrom = [
            package
          ];

          buildInputs = [
            # our package
            editablePackage

            #################
            # VARIOUS TOOLS #
            #################

            pkgs.python3Packages.build
            pkgs.python3Packages.ipython

            ####################
            # EDITOR/LSP TOOLS #
            ####################

            # LSP server:
            pkgs.python3Packages.python-lsp-server

            # LSP server plugins of interest:
            pkgs.python3Packages.pylsp-mypy
            pkgs.python3Packages.pylsp-rope
            pkgs.python3Packages.python-lsp-ruff
          ];
        };
      };

      packages = {
        "${project.name}" = package;
        default = self.packages.${system}.${project.name};
      };
    });
}