def available_versions(url, session=None, **kwargs):
 if (not session):
  session = client_session.Session._construct(kwargs)
 return _discover.get_version_data(session, url)

def available_versions ( url , session = None , ** kwargs ) : if ( not session ) : session = client_session . Session . _construct ( kwargs ) return _discover . get_version_data ( session , url )
retrieve raw version data from a url .