{ stdenv, buildPythonPackage, fetchPypi, protobuf, grpcio }:

buildPythonPackage rec {
  pname = "grpcio-tools";
  version = "1.28.1";

  src = fetchPypi {
    inherit pname version;
    sha256 = "adf089aaf6e21358b12e39d9fa7c28611340d8399a918c0b72ff122ce9b7e0af";
  };

  enableParallelBuilding = true;

  propagatedBuildInputs = [ protobuf grpcio ];

  # no tests in the package
  doCheck = false;

  meta = with stdenv.lib; {
    description = "Protobuf code generator for gRPC";
    license = licenses.asl20;
    homepage = "https://grpc.io/grpc/python/";
    maintainers = with maintainers; [ ];
  };
}