with import <nixpkgs> {};
let
  inherit (pkgs.python3.pkgs) pydbus ruamel-yaml buildPythonPackage fetchPypi;
  vext =  buildPythonPackage rec {
    propagatedBuildInputs = [ ruamel-yaml ];
    pname = "vext";
    version = "0.7.4";
    src = fetchPypi {
      inherit pname version;
      hash = "sha256-0Yiw0hQXnNYjS0jDrHCPnLd5NznSp7t9HLA/O/Wc92c=";      
    };
  };
  vext_gi =  buildPythonPackage rec {
    propagatedBuildInputs = [ vext ];
    pname = "vext.gi";
    version = "0.7.4";
    src = fetchPypi {
      inherit pname version;
      hash = "sha256-aKVWiMbN3JE90178aIITJHSXhW6FrykEUP70R53/PIE=";
    };
  };
  ble_gatt = buildPythonPackage rec {
    pname = "BLE_GATT";
    version = "0.5.0";
    propagatedBuildInputs = [
      pydbus
      # vext_gi
    ];
    prePatch = ''
       sed -i -e '/import vext/d' BLE_GATT/__init__.py
       sed -i -e "s/'vext.gi'//g" setup.py
    '';
    src = fetchPypi {
      inherit pname version;
      hash = "sha256-5qJ0FoopVqQH7JHBriD/D0VE24vM+UtoPJWTm1VmY0w=";
    };
    doCheck = false;
  };
  python = python3.withPackages(ps: with ps;
    [
      setuptools pydbus pyserial pyusb msgpack six future pygame
      ble_gatt
    ]);
in stdenv.mkDerivation {
  name = "wobble";
#  PYTHONPATH = "./src";
  buildInputs = [ python dejavu_fonts ];
  FONT = "${dejavu_fonts}/share/fonts/truetype/DejaVuSansMono-Bold.ttf";
}