#NEWLINE# def get( self , default_value = None ) : #NEWLINE# #INDENT# if ( ( self . _dt_read is None ) and ( self . _dt_write is None ) ) : #NEWLINE# #INDENT# value = default_value #NEWLINE# self . _value = value #NEWLINE# self . _dt_write = datetime . datetime . utcnow ( ) #NEWLINE# #UNINDENT# else : #NEWLINE# #INDENT# value = self . _value #NEWLINE# #UNINDENT# self . _dt_read = datetime . datetime . utcnow ( ) #NEWLINE# return value