[Tutor] Creating an object which is an extension of a dictionary

[Alan Gauld]

On 26/03/16 11:35, Ian Winstanley wrote:
> I'm attempting to create an object which can have elements which can be
> referenced like a dictionary but can also have normal methods and
> attributes like a conventional object but can also be referenced with key
> items using d[key]

I think you are looking for UserDict (in the UserDict module)
which is specifically designed with subclassing in mind.

> It isn't absolutely necessary but I would also like to validate when
> setting the dictionary attributes such as converting necessary values to
> boolean when setting and ensure the default case attribute is either UPPER
> or LOWER

You can do that by overriding one of the dunder methods.
I think __setitem__() is the one you need but the docs will
clarify.


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Alan G
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