{ stdenv, buildPythonPackage, fetchPypi
, pyparsing, six, pytest, pretend }:

buildPythonPackage rec {
  pname = "packaging";
  version = "16.8";
  name = "${pname}-${version}";

  src = fetchPypi {
    inherit pname version;
    sha256 = "5d50835fdf0a7edf0b55e311b7c887786504efea1177abd7e69329a8e5ea619e";
  };

  propagatedBuildInputs = [ pyparsing six ];

  buildInputs = [ pytest pretend ];

  meta = with stdenv.lib; {
    description = "Core utilities for Python packages";
    homepage = https://github.com/pypa/packaging;
    license = [ licenses.bsd2 licenses.asl20 ];
    maintainers = with maintainers; [ bennofs ];
  };
}