What is "self"?
mahs at telcopartners.com
Tue Sep 27 19:20:10 CEST 2005
Ron Adam wrote:
> What I've noticed is you can block the visibility of a class attribute,
> which include methods, by inserting an object in the instance with the
> same name.
[snip example of this behavior]
Yes, that's true for "non-data descriptors" (see last two bullets below)
Raymond Hettinger [http://users.rcn.com/python/download/Descriptor.htm]
> The important points to remember are:
> * descriptors are invoked by the __getattribute__ method
> * overriding __getattribute__ prevents automatic descriptor calls
> * __getattribute__ is only available with new style classes and objects
> * object.__getattribute__ and type.__getattribute__ make different calls
> * data descriptors always override instance dictionaries.
> * non-data descriptors may be overridden by instance dictionaries.
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