[Zope-dev] implementing zope.component 4.0
Martin Aspeli
optilude+lists at gmail.com
Wed Dec 2 10:58:00 EST 2009
Chris McDonough wrote:
> Thomas Lotze wrote:
>> Martijn Faassen wrote:
>>
>>> * a utility never has a connection. That's because it already got
>>> instantiated long before the lookup takes place.
>> Isn't it the other way around: A utility never has a connection to any
>> adapted object, and that's *why we can* instantiate it long before the
>> lookup takes place.
>>
>> I think the difference between these two perspectives may have to do with
>> why some people in this discussion confuse (as I see it) the concepts of
>> instance vs. factory registration and adapter vs. utility lookup.
>
> I'm not confused. I understand this worldview.
>
> I'm just arguing that this worldview is less understandable for new users and
> maintenance programmers than it would be to leave them distinct (or to "unify"
> them by providing an API like "lookup" which never calls the result of an
> adaptation). The conceptual beauty of how they might be otherwise similar is
> meaningless to new users and maintenance programmers.
... and possibly hostile to people who've educated themselves about the
current patterns and nomenclature.
Anyway, I get the feeling we've moved on, and that this issue is
eclipsing the more worthwhile discussion about API design and
consistency, which I think we all want.
Martin
--
Author of `Professional Plone Development`, a book for developers who
want to work with Plone. See http://martinaspeli.net/plone-book
More information about the Zope-Dev
mailing list