#NEWLINE# def is_stream( self ) : #NEWLINE# #INDENT# 'Return true if the current value is a stream or a list of\n        streams.\n\n        :returns: True if current value is a stream\n        ' #NEWLINE# if ( len ( self . _value ) == 0 ) : #NEWLINE# #INDENT# return self . streamable #NEWLINE# #UNINDENT# s = True #NEWLINE# for v in self . _value : #NEWLINE# #INDENT# s &= self . _is_stream ( v ) #NEWLINE# #UNINDENT# return s