anchor.diff:      gstreamer
       gtk3
       hicolor-icon-theme
  -    libsecret
       libsoup
       totem-pl-parser
  -  ];
  +  ] ++ lib.optional lastFMSupport libsecret;
   
     propagatedBuildInputs = with python3.pkgs; [
       beautifulsoup4
  
positive.code: { stdenv, fetchgit, meson, ninja, pkgconfig
  , python3, gtk3, gst_all_1, libsecret, libsoup
  , appstream-glib, desktop-file-utils, totem-pl-parser
  , hicolor-icon-theme, gobject-introspection, wrapGAppsHook }:
  
  python3.pkgs.buildPythonApplication rec  {
    pname = "lollypop";
  
negative.code:     pycairo
      pydbus
      pygobject3
    ]
    ++ lib.optional lastFMSupport pylast
    ++ lib.optional wikipediaSupport wikipedia
    ++ lib.optional youtubeSupport youtube-dl
    ;
  
    postPatch = ''
      chmod +x meson_post_install.py
  