How to make an immutable instance
aahz at pythoncraft.com
Fri Jun 18 01:58:41 CEST 2004
In article <2jem4iF10udstU1 at uni-berlin.de>,
Leif K-Brooks <eurleif at ecritters.biz> wrote:
>Batista, Facundo wrote:
>> So, if you use this "immutable" class in a dict, and then you (on purpose)
>> modify it, you'll have different hashes.
>> Said that, how safer is this approach? Is there a better way?
>But note that you can still use object.__setattr__ directly to get
>around it. I don't think there's a way to get true immutability in pure
Correct. Remember that Python is a language for consenting adults; the
only way to guarantee object immutability is to create a type in C.
Aahz (aahz at pythoncraft.com) <*> http://www.pythoncraft.com/
"Typing is cheap. Thinking is expensive." --Roy Smith, c.l.py
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