[Zope] ZCatalog results.

[Oleg Broytmann]

On Tue, Feb 26, 2002 at 01:02:28PM -0300, Sidnei da Silva wrote:
> How?
> 
> > > seen = {}
> > > unique = []
> > > for r in result:
> > >   if not seen.has_key(r.data_record_id_):
> > >     seen[r.data_record_id_] = r.data_record_id_
> > >     unique.append(r)
> > >
> > > return unique
> > >
> > > It works OK. Thanx everyone.
> >
> > You may reduce this to one dictionary :)

   You want "unique" to contain unique records? The list of keys of a
dictionary is exactly what you want!

unique = {}
for r in result:
   if not unique.has_key(r.data_record_id_):
      unique[r.data_record_id_] = r
return unique.values()

   The "if" test is not neccessary, actually :)

Oleg.
-- 
     Oleg Broytmann            http://phd.pp.ru/            phd@phd.pp.ru
           Programmers don't die, they just GOSUB without RETURN.