Re: improving the utility and adapter lookup APIs
Thomas Lotze <[email protected]>
| Newsgroups | gmane.comp.web.zope.devel |
|---|---|
| Message-ID | <[email protected]> |
Gary Poster wrote: > > On Nov 25, 2009, at 11:17 AM, Thomas Lotze wrote: > >> What about a simple and consistent API for all components including >> utilities, adapters and multiadapters: >> >> IFoo() >> IFoo(x) >> IFoo(x, y) >> >> I seem to remember there had been some discussion at some point about >> dropping or at least loosening the distinction between utilities and >> adapters anyway, so this would be the opportunity to do so at the API >> level. > > That was discussed and rejected near the very beginning of the Z3 > effort, in my memory. OK. If that was a hard and fast decision, I'll not argue further. > They are too different. Our use of adapters > generally involves looking something up and automatically calling it. > Our use of utilities generally involves simply looking something up and > returning it. I do think, however, that this is more a problem with registration than with look-up. You need to know whether to register a factory or an instance of a component, but whatever you look up will provide the interface you require and doesn't have to be called in either case. -- Thomas _______________________________________________ Zope-Dev maillist - [email protected] https://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - https://mail.zope.org/mailman/listinfo/zope-announce https://mail.zope.org/mailman/listinfo/zope )