python312Packages.viewstate: unbreak, switch to pyproject, run checks

{

  lib,

  buildPythonPackage,

  fetchFromGitHub,

  isPy3k,

  lib,

  pytest,

  poetry-core,

  pytestCheckHook,

}:

buildPythonPackage rec {

  pname = "viewstate";

  version = "0.6.0";

  format = "setuptools";

  disabled = !isPy3k;

  pyproject = true;

  src = fetchFromGitHub {

    owner = "yuvadm";

    sha256 = "sha256-cXT5niE3rNdqmNqnITWy9c9/MF0gZ6LU2i1uzfOzkUI=";

  };

  nativeCheckInputs = [ pytest ];

  build-system = [ poetry-core ];

  checkPhase = ''

    pytest

  '';

  nativeCheckInputs = [

    pytestCheckHook

  ];

  meta = {

    description = ".NET viewstate decoder";