On 8/5/20 11:11 AM, Jonathan Goble wrote:

> That's literally useless, because after running that there is nothing
> stopping you from doing:
>
>  >>> a = 10
>
> or even:
>
>  >>> a = "python has no constants"
>
> And now a has a value different from 5.
>
> There is nothing even remotely resembling const-ness to that class. In
> order to get const-ness, you would need the ability to overload
> assignments, like C++ can do. And Python can't do that, and that's
> probably a good thing.

     --> from aenum import Constant

     --> class K(Constant):
     ...   a = 5
     ...   b = 'hello'
     ...

     --> K.a
     <K.a: 5>

     --> K.a == 5
     True

     --> K.a - 3
     2

     --> K.a = 9
     Traceback (most recent call last):
       ...
     AttributeError: cannot rebind constant <K.a>

     --> del K.a
     Traceback (most recent call last):
       ...
     AttributeError: cannot delete constant <K.a>

However, one can, of course:

     del K

There is only so much one can do.  ;-)

--
~Ethan~
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