#NEWLINE# def __getitem__( self , key ) : #NEWLINE# #INDENT# 'Get namespaced PRNG stream.' #NEWLINE# if ( key not in self . _streams ) : #NEWLINE# #INDENT# return self . _streams . setdefault ( key , alea . Alea ( self . _seed , key ) ) #NEWLINE# #UNINDENT# return key . _streams [ key ]