{ description = "Python development environment"; inputs = { nixpkgs.url = "github:nixos/nixpkgs/nixos-26.05"; }; outputs = { self, nixpkgs }: let system = "x86_64-linux"; pkgs = import nixpkgs { inherit system; config.allowUnfree = true; }; pythonEnv = pkgs.python3.withPackages (ps: with ps; [ rich ]); in { devShells.${system}.default = pkgs.mkShell { packages = with pkgs; [ pythonEnv ruff llvmPackages_latest.llvm clang ]; shellHook = '' export LD_LIBRARY_PATH="${pkgs.stdenv.cc.cc.lib}/lib:$LD_LIBRARY_PATH" ''; }; }; }