[Zope-dev] zope.component: calling an Interface and calling queryAdapter give differing results

Dieter Maurer dieter at handshake.de
Mon Sep 1 13:21:16 EDT 2008


Philipp von Weitershausen wrote at 2008-9-1 14:07 +0200:
> ...
>I've personally thought for some time that it would be quite nice if  
>all you had to do was call an interface to look up a utility (which is  
>sort of a multi-adapter of order 0) or to do some kind of adaption, no  
>matter how many objects you wanted to adapt. E.g.:
>
>   auth = IAuthentication()                                 # utility
>   auth = IAuthentication(default=None)
>   langs = IUserPreferredLanguages(request)                 # adapter
>   langs = IUserPreferredLanguages(request, default=None)
>   view = IBrowserPage((obj, request), name='index')        # named  
>multi-adapter
>
>etc.
>
>Personally I would favour such consistency higher than the current  
>behaviour, which may have been invented intentionally but still causes  
>confusion once in a while.

I am with you in this respect (as you probably already knew) :-)



-- 
Dieter


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