Gary Poster wrote: > On Dec 2, 2009, at 11:41 AM, Muharem Hrnjadovic wrote: > >> Gary Poster wrote: >>> On Dec 2, 2009, at 10:41 AM, Muharem Hrnjadovic wrote: >>> >>>> Quick question: >>>> >>>> do we use the zope class registry anywhere? >>> I doubt it. >>> >>>> Is it safe to use within >>>> Launchpad? >>> I'd prefer to use utility registration if that can work with your use case. >> Sorry for not being precise enough. In my particular case a number of >> classes would implement the interface in question (IBuildFarmJob). >> >> I understood the utility registration mechanism requires that there is >> exactly one class that implements a particular interface in which case I >> could not use it for the interface/purpose at hand. > > The class registry you showed had keys and values. > > You can register different utilities for the same interface by > providing a different name for each one (I think of this as a > namespace). Sorry for pestering you with daft questions but I have never dealt with this before. How does one "register different utilities for the same interface by providing a different name"?
> You can then get all of the utilities for that interface with > getUtilitiesFor. From docs: > >>>> sorted(components.getUtilitiesFor(tests.I2)) > [(u'', U12(2)), (u'three', U12(3))] > > In that example, ``components`` could be obtained as follows: > > from zope.component import getSiteManager > components = getSiteManager() > > Is that sufficient? This is *very* helpful. Thank you! Best regards -- Muharem Hrnjadovic <[email protected]> Public key id : B2BBFCFC Key fingerprint : A5A3 CC67 2B87 D641 103F 5602 219F 6B60 B2BB FCFC
signature.asc
Description: OpenPGP digital signature
_______________________________________________ Mailing list: https://launchpad.net/~launchpad-dev Post to : [email protected] Unsubscribe : https://launchpad.net/~launchpad-dev More help : https://help.launchpad.net/ListHelp
