{ inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable"; }; outputs = { self, nixpkgs }: let system = "x86_64-linux"; # Adjust if necessary pkgs = import nixpkgs { inherit system; }; in { packages.${system} = { cosmic-web-apps = pkgs.python313Packages.callPackage ./cosmic-web-apps.nix { }; }; devShells.${system} = { default = pkgs.mkShell { name = "packaging"; venvDir = "./.venv"; buildInputs = [ pkgs.python313Packages.pip ] ++ builtins.attrValues self.packages.${system}; }; }; }; }