def _list_new_metadata(repository_path):
 return {'/'.join(path.segmentsFrom(repository_path)) for path in repository_path.child('repodata').walk()}

def _list_new_metadata ( repository_path ) : return { '/' . join ( path . segmentsFrom ( repository_path ) ) for path in repository_path . child ( 'repodata' ) . walk ( ) }
list the filenames of new and changed repository metadata files .