Re: Interface implementation in python

Why not use zone.interface

On Wednesday, January 4, 2012 at 7:07 AM, huseyin yilmaz wrote:

Hi everybody,

I want to implement interface functionality in python. I wrote

following sample code

https://gist.github.com/1559689

Here I use an abc as an interface.

Couple of my models are implementing this interface and one of my

consumer model is using those models. In this implementation, I use my

abstract class to check if my models are implementing enough

functionality to make consumer model methods work (use_object method).

Since I used abc's here, I get an error as soon as I try to

instantiate a model object. (I do not need to invoke use_object method

for validation to work.)

Question 1) Is there a better way to implement this validation

functionality.

Question 2) In this implementation, Validation happens at object

instantiation time. Which means If I don't instantiate any object I

won't get any error, Is there a ( short ) way of getting this check on

code initialization? ( I am not dynamicly changing methods of my

models)

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