{ lib
, python3Packages
, fetchPypi
, pkg-config
, librsvg
, gobject-introspection
, atk
, gtk3
, gtkspell3
, gnome
, glib
, goocanvas2
, gdk-pixbuf
, pango
, fontconfig
, freetype
, wrapGAppsHook3
}:

with lib;

python3Packages.buildPythonApplication rec {
  pname = "tryton";
  version = "7.2.1";

  disabled = !python3Packages.isPy3k;

  src = fetchPypi {
    inherit pname version;
    sha256 = "sha256-CK3XkHX16Ec/j1DhC29uoj/YqcLXs/KsIb7v/cfoiaM=";
  };

  nativeBuildInputs = [
    pkg-config
    gobject-introspection
    wrapGAppsHook3
  ];

  propagatedBuildInputs = with python3Packages; [
    python-dateutil
    pygobject3
    goocalendar
    pycairo
  ];

  buildInputs = [
    atk
    gdk-pixbuf
    glib
    gnome.adwaita-icon-theme
    goocanvas2
    fontconfig
    freetype
    gtk3
    gtkspell3
    librsvg
    pango
  ];

  strictDeps = false;

  doCheck = false;

  meta = {
    description = "The client of the Tryton application platform";
    mainProgram = "tryton";
    longDescription = ''
      The client for Tryton, a three-tier high-level general purpose
      application platform under the license GPL-3 written in Python and using
      PostgreSQL as database engine.

      It is the core base of a complete business solution providing
      modularity, scalability and security.
    '';
    homepage = "http://www.tryton.org/";
    license = licenses.gpl3Plus;
    maintainers = with maintainers; [ johbo udono ];
  };
}