#NEWLINE# def noncegetter( self , f ) : #NEWLINE# #INDENT# 'Register a function as the nonce and timestamp getter.\n\n        The function accepts parameters:\n\n            - client_key: The client/consure key\n            - timestamp: The ``oauth_timestamp`` parameter\n            - nonce: The ``oauth_nonce`` parameter\n            - request_token: Request token string, if any\n            - access_token: Access token string, if any\n\n        A nonce and timestamp make each request unique. The implementation::\n\n            @oauth.noncegetter\n            def get_nonce(client_key, timestamp, nonce, request_token,\n                          access_token):\n                return Nonce.get("...")\n        ' #NEWLINE# self . _noncegetter = f #NEWLINE# return f