[Python-Dev] PEP 487 vs 422 (dynamic class decoration)

[Greg Ewing]

On 04/03/2015 02:31 PM, Nick Coghlan wrote:
> If I'm understanding PJE's main concern correctly it's that this
> approach requires explicitly testing that the decorator has been
> applied correctly in your automated tests every time you use it, as
> otherwise there's a risk of a silent failure when you use the
> decorator but omit the mandatory base class that makes the decorator
> work correctly.

Could the decorator be designed to detect that situation
somehow? E.g. the first time the decorated method is called,
check that the required base class is present.

-- 
Greg