anchor.diff:  , gtk3
   , gst_all_1
   , gobject-introspection
  +, libhandy
   , python3Packages
   , file
   , cairo
   , gettext
   , gnome
  +, pantheon
   }:
   
   python3Packages.buildPythonApplication rec {
  
positive.code:   ];
  
    postPatch = ''
      chmod +x meson/post_install.py
      patchShebangs meson/post_install.py
    '';
  
    postInstall = ''
  
negative.code:     cairo
      gettext
      gnome.adwaita-icon-theme
      libhandy
      pantheon.granite
    ] ++ (with gst_all_1; [
      gstreamer
      gst-plugins-good
  