On Wed, Jun 10, 2009 at 4:56 PM, Kevin Teague <ke...@bud.ca> wrote:
>
> __dict__ is an attribute of every Python object. It's typically only
> an internal detail, and generally not accessed directly. One area
> where __dict__ modification would differ from attribute access is with
> an attribute that's a property. Modifying the __dict__ would ignore
> the property getter/setter code, where as modifying the attribute will
> still invoke those methods. In other words, __dict__ manipulation
> breaks encapsulation ... although in rare cases this is what you want
> to do!
>
>
> >>> class Foo(object): pass
> ...
> >>> f = Foo()
> >>> f.__dict__
> {}
> >>> f.cat = 'dog'
> >>> f.__dict__
> {'cat': 'dog'}
> >>> f.__dict__['cow'] = 'moo'
> >>> f.cow
> 'moo'
>
>
> >
>
Technically it's not on every Python object, any object that defines
__slots__ won't have it.
Alex
--
"I disapprove of what you say, but I will defend to the death your right to
say it." --Voltaire
"The people's good is the highest law."--Cicero
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