# python with all the venom { config, lib, pkgs, user, ... }: let cfg = config.modules.devel.python; my-python-packages = ps: with ps; [ virtualenv i3ipc ipython pip ]; in { options.modules.devel.python.enable = lib.mkEnableOption "python"; config = lib.mkIf cfg.enable { environment.systemPackages = with pkgs; [ (python3.withPackages my-python-packages) beancount fava nodePackages_latest.pyright ]; }; }