{ lib
, python
, buildPythonPackage
, fetchFromGitHub
, pytestCheckHook
}:

buildPythonPackage rec {
  pname = "tornado";
  version = "6.2.0";

  src = fetchFromGitHub {
    owner = "tornadoweb";
    repo = "tornado";
    rev = "v${version}";
    hash = "sha256-IV0QN3GqoclFo9kWJVc21arypmBkvUClo86Zmt/Gv6E=";
  };

  nativeCheckInputs = [
    pytestCheckHook
  ];

  disabledTestPaths = [
    # additional tests that have extra dependencies, run slowly, or produce more output than a simple pass/fail
    # https://github.com/tornadoweb/tornado/blob/v6.2.0/maint/test/README
    "maint/test"

    # AttributeError: 'TestIOStreamWebMixin' object has no attribute 'io_loop'
    "tornado/test/iostream_test.py"
  ];

  disabledTests = [
    # Exception: did not get expected log message
    "test_unix_socket_bad_request"
  ];

  pythonImportsCheck = [ "tornado" ];

  __darwinAllowLocalNetworking = true;

  meta = with lib; {
    description = "A web framework and asynchronous networking library";
    homepage = "https://www.tornadoweb.org/";
    license = licenses.asl20;
    maintainers = with maintainers; [ ];
  };
}