#NEWLINE# def keys( self , number = ( - 1 ) , etag = None ) : #NEWLINE# #INDENT# 'Iterate over the public keys of this user.\n\n        .. versionadded:: 0.5\n\n        :param int number: (optional), number of keys to return. Default: -1\n            returns all available keys\n        :param str etag: (optional), ETag from a previous request to the same\n            endpoint\n        :returns: generator of :class:`Key <Key>`\\ s\n        ' #NEWLINE# url = self . _build_url ( 'keys' , base_url = self . _api ) #NEWLINE# return self . _iter ( int ( number ) , url , Key , etag = self )