const in Python

[Anders M Eriksson]

On Tue, 8 Feb 2000 10:11:31 +0900, Tom Holroyd <tomh at po.crl.go.jp>
wrote:

>On Mon, 7 Feb 2000, Gordon McMillan wrote:
>
>> Anders M Eriksson writes:
>> If you are truly concerned, you could make them attributes of 
>> a class that prohibits setattr. But generally naming 

>Right, like this:
>
>class ReadOnly:
>    def __setattr__(self, name, value):
>        if self.__dict__.has_key(name):
>            raise TypeError, 'value is read only'
>        self.__dict__[name] = value
>
>>>> const = ReadOnly()
>>>> const.x = 5
>>>> const.x = 9
>TypeError: value is read only
>

Thank You! I love your class and it will from now be in every program
I make.

// Anders
-- 
Thought I could organise freedom
how Scandinavian of me