{ lib,
  fetchPypi,
  pkgconfig,
  setuptools,
  toml,
  lxml,
  setuptools_scm,
  buildPythonPackage,
  pkgs
}:

buildPythonPackage rec {
  pname = "py-xmlsec";
  version = "1.3.8";

  src = fetchPypi {
    inherit version;
    pname="xmlsec";
    sha256 = "1ki5jiws8r9sbdbbn5cw058m57rhx42g91rrsa2bblqwngi3z546";
  };

  propagatedBuildInputs = [ pkgs.xmlsec pkgs.openssl pkgconfig lxml setuptools_scm setuptools toml ];
  nativeBuildInputs = [ pkgs.pkg-config ];
  preBuild = ''
    pkg-config --variable=prefix xmlsec1
    python -c "import pkgconfig;  pkgconfig.parse('xmlsec1')"
'';
}