[Tutor] Accessing class attributes: use methods only?
kent37 at tds.net
Wed Feb 14 05:35:47 CET 2007
Bob Gailer wrote:
> I really like the simplicity of a.b = 3. I groan when put in other
> environments where a method call is required.
> And Python has the magic method __setattr__ to intercept attribute
> assignment for the times where some inspection / protection /
> side-effect action is desired.
The modern way to do this (since Python 2.2 I think) is to use
properties. __setattr__ has other uses (for example for delegation) but
it is too big a hammer for changing the behaviour of a single attribute.
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