def get_installed_pypackages():
    return {p.project_name.lower(): p for p in pkg_resources.working_set}
def _deDuplicate(results):
        found = dict()
        deDuped = list()
        for entry in results:
            dn = entry.get("dn")
            if not dn in found:
                found[dn] = 1
                deDuped.append(entry)

        return deDuped