def get_current_version(archive, pkg_name, series):
    published_sources = list(archive.getPublishedSources(source_name=pkg_name,
                                                         exact_match=True,
                                                         status='Published',
                                                         distro_series=series))

    # Security updates are also copied to Updates, so this should be safe
    order_of_preference = ['Updates', 'Security', 'Release']
    published_sources.sort(key=lambda x:order_of_preference.index(x.pocket))
    return published_sources[0]