#NEWLINE# def get_backend_timeout( self , timeout = DEFAULT_TIMEOUT ) : #NEWLINE# #INDENT# '\n        Returns the timeout value usable by this backend based upon the provided\n        timeout.\n        ' #NEWLINE# if ( timeout == DEFAULT_TIMEOUT ) : #NEWLINE# #INDENT# timeout = self . default_timeout #NEWLINE# #UNINDENT# else : #NEWLINE# #INDENT# if ( timeout == 0 ) : #NEWLINE# #INDENT# timeout = ( - 1 ) #NEWLINE# #UNINDENT# #UNINDENT# return ( None if ( timeout is None ) else ( time . time ( ) + timeout ) )