Static class properties (read-only)
Aahz
aahz at pythoncraft.com
Thu Aug 7 13:47:23 EDT 2003
In article <vj4v20o2qfi7c9 at corp.supernews.com>,
Greg Brunet <gregbrunet at NOSPAMsempersoft.com> wrote:
>
>In puzzling over classes, I'm wondering if classes can have read-only
>static properties? I certainly seem to be able to do create static
>properties like this:
>
>class C(object):
> count = 0
>
> def __init__(self,s):
> C.count += 1
> self.Name = s
>
> def __del__(self):
> C.count -= 1
>
>and C.count should have a count of the number of its instances that have
>been created. However, someone could set the value directly. I know
>that using get/set methods, I can make a read-only property at the
>object/instance level. Can this be done at the class level? Thanks,
Nope. Gotta do a metaclass. <evil grin>
--
Aahz (aahz at pythoncraft.com) <*> http://www.pythoncraft.com/
This is Python. We don't care much about theory, except where it intersects
with useful practice. --Aahz
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