{
  lib,
  python3,
  fetchFromGitHub,
}:

python3.pkgs.buildPythonApplication rec {
  pname = "mqtt-exporter";
  version = "1.5.0";
  pyproject = true;

  src = fetchFromGitHub {
    owner = "kpetremann";
    repo = "mqtt-exporter";
    rev = "refs/tags/v${version}";
    hash = "sha256-3gUAiujfBXJpVailx8cMmSJS7l69XpE4UGK/aebcQqY=";
  };

  pythonRelaxDeps = [ "prometheus-client" ];

  build-system = with python3.pkgs; [ setuptools ];

  dependencies = with python3.pkgs; [
    paho-mqtt_2
    prometheus-client
  ];

  nativeCheckInputs = with python3.pkgs; [
    pytest-mock
    pytestCheckHook
  ];

  pythonImportsCheck = [ "mqtt_exporter" ];

  meta = {
    description = "Generic MQTT Prometheus exporter for IoT";
    homepage = "https://github.com/kpetremann/mqtt-exporter";
    changelog = "https://github.com/kpetremann/mqtt-exporter/releases/tag/v${version}";
    license = lib.licenses.mit;
    maintainers = with lib.maintainers; [ fab ];
    mainProgram = "mqtt-exporter";
  };
}