{ lib
, buildPythonPackage
, fetchFromGitHub
, pythonOlder
, pytestCheckHook
, devtools
, fastapi
, httpx
, poetry-core
, prometheus-client
, requests
, starlette
}:

buildPythonPackage rec {
  pname = "prometheus-fastapi-instrumentator";
  version = "7.0.0";
  pyproject = true;

  disabled = pythonOlder "3.9";

  src = fetchFromGitHub {
    owner = "trallnag";
    repo = "prometheus-fastapi-instrumentator";
    rev = "refs/tags/v${version}";
    hash = "sha256-yvKdhQdbY0+jEc8TEHNNgtdnqE0abnd4MN/JZFQwQ2E=";
  };

  build-system = [
    poetry-core
  ];

  dependencies = [
    prometheus-client
    starlette
  ];

  nativeCheckInputs = [
    devtools
    fastapi
    httpx
    pytestCheckHook
    requests
  ];

  pythonImportsCheck = [ "prometheus_fastapi_instrumentator" ];

  meta = {
    description = "Instrument FastAPI with Prometheus metrics";
    homepage = "https://github.com/trallnag/prometheus-fastapi-instrumentator";
    changelog = "https://github.com/trallnag/prometheus-fastapi-instrumentator/blob/${src.rev}/CHANGELOG.md";
    license = with lib.licenses; [ isc bsd3 ];
    maintainers = with lib.maintainers; [ bcdarwin ];
    platforms = lib.platforms.linux;  # numerous test failures on Darwin
  };
}