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

[Philipp von Weitershausen]

El 1 Sep 2008, a las 17:23 , Chris Withers escribió:
> Philipp von Weitershausen wrote:
>> 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.:
>
> +sys.maxint. This is nice.
>
>>   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
>
> Right, but how do you differentiate adapting a tuple to IBrowserPage  
> versus adapting obj and request together to IBrowserPage?

You don't, I guess. I'd say that multi-adaption is *defined* as the  
adaption of a tuple.