Adapters are only searched one deep, so you need to register each
adapter path separately. I use this function as a helper:
from zope.component import provideAdapter
def provideAdapterChain(adapt_from, *chain):
'''
Register an adapter chain
adapt_from is the interface that is adapted from
chain is the chain of interfaces that should be walked
eg
providAdapterChain(IA, IB, IC)
'''
return provideAdapter(
lambda adaptee: reduce(lambda ob, iface: iface(ob), chain,
adaptee),
adapts=[adapt_from],
provides = chain[-1])
Laurence
Frank Burkhardt wrote:
Hi,
I've got objects implementing interface
IMyObject
and two adapters:
IMyObject -> ISearchable
ISearchable -> ISearchableEN
I would like to use a TextIndex to do fulltext search on objects
implementing ISearchableEN .
Unfortunately this doesn't work. The TextIndex tries something
like this to adapt an object to the given interface:
ISearchableEN(myobject)
Which fails ("Unable to adapt") because there is no adapter
"IMyObject -> ISearchableEN" and Zope doesn't try to adapt multiple
times ( IMyObject -> ISearchable -> ISearchableEN ).
Does anyone have an Idea how to do this or do I have to modify
the TextIndex?
Regards,
Frank
_______________________________________________
Zope3-users mailing list
Zope3-users@zope.org
http://mail.zope.org/mailman/listinfo/zope3-users
