launchpad-dev team mailing list archive

[Free Ekanayaka <free.ekanayaka@xxxxxxxxxxxxx>]

Hi,

|--==> On Fri, 13 Aug 2010 10:39:56 +1200, Robert Collins <robert.collins@xxxxxxxxxxxxx> said:

  [...]

  > Storm ReferenceSets don't (currently) permit constraints, so while we
  > can write a collection for *all* signatures a person has made, we
  > can't tell storm how to calculate the attribute for us. We could layer
  > it:
  > signatures = ReferenceSet(..)
  > @property
  > def is_ubuntu_coc_signer(self):
  >     return bool(signature for signature in self.signatures
  >         if signature.active and signature > lastcocdate)

Hum, I might be totally off here, but isn't this somehow addressed by
BoundReferenceSet.find?

Like:

 @property
 def is_ubuntu_coc_signer(self):
     result = self.signatures.find(active=True, *your_other_constraints)
     return bool(result.one())

Cheers,

Free