anchor.diff:  , appstream
   , appstream-glib
   , wrapGAppsHook
  +, desktop-file-utils
   , gobject-introspection
   , gtksourceview4
   , gspell
  
positive.code:     appstream # for appstreamcli
      appstream-glib
      wrapGAppsHook
    ];
  
    buildInputs = [
  
negative.code:   propagatedBuildInputs = with python3.pkgs; [
      pygobject3
      pyxdg
      pypdf2
    ];
  
    meta = with lib; {
  