urfu-daddy/flake.nix

{
  description = "Flake for developing urfu-daddy";

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

    flake-utils.url = "github:numtide/flake-utils";

    devshell = {
      url = "github:numtide/devshell";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    pyproject-nix = {
      url = "github:pyproject-nix/pyproject.nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    uv2nix = {
      url = "github:pyproject-nix/uv2nix";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.pyproject-nix.follows = "pyproject-nix";
    };

    pyproject-build-systems = {
      url = "github:pyproject-nix/build-system-pkgs";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.pyproject-nix.follows = "pyproject-nix";
      inputs.uv2nix.follows = "uv2nix";
    };
  };

  outputs =
    inputs@{
      nixpkgs,
      flake-utils,
      ...
    }:
    flake-utils.lib.eachDefaultSystem (
      system:
      let
        python = pkgs.python313;

        workspaceRoot = ./.;
        venvName = ".venv";

        pkgs = import nixpkgs {
          inherit system;
          config.allowUnfree = false;
        };

        workspace = inputs.uv2nix.lib.workspace.loadWorkspace { inherit workspaceRoot; };

        overlay = workspace.mkPyprojectOverlay {
          sourcePreference = "wheel";
        };

        baseSet = pkgs.callPackage inputs.pyproject-nix.build.packages {
          inherit python;
        };

        pythonSet = baseSet.overrideScope (
          pkgs.lib.composeManyExtensions [
            inputs.pyproject-build-systems.overlays.default
            overlay
          ]
        );

        venv = pythonSet.mkVirtualEnv "${venvName}" workspace.deps.default;
      in
      {
        devShells.default = pkgs.mkShell {
          packages = [
            venv
            python
            pkgs.uv
            pkgs.ruff
            pkgs.pyrefly
          ];
        };
      }
    );
}