def _get_bootstrap_url(directory):
 v = _get_buildout_ver(directory)
 return _URL_VERSIONS.get(v, _URL_VERSIONS[DEFAULT_VER])

def _get_bootstrap_url ( directory ) : v = _get_buildout_ver ( directory ) return _URL_VERSIONS . get ( v , _URL_VERSIONS [ DEFAULT_VER ] )
get the most appropriate download url for the bootstrap script .