robneville73 schrieb:
> I've searched around and I see I'm not the first to ask this...
>
> try:
> DBSession.save(order)
> DBSession.flush()
> except IntegrityError:
> THIS NEVER EXECUTES....
This works for me, with both TG1 and TG2.
Some things you should check:
- Are you sure you really *have* an IntegrityError
(because the DBSession maintains unique copies)?
- Did you import IntegrityError from sqlalchemy.exceptions?
- Do you have the latest zope.sqlalchemy?
Btw, I also found that bulk deletes only work with the latest
zope.sqlalchemy 0.4. Maybe we should make this an requirement in TG2?
You can check that this work with a quickstarted project, after you have
run paster setup-app, like this:
from sqlalchemy.exceptions import IntegrityError
p = model.Permission()
p.permission_name = u'manage'
model.DBSession.add(p)
try:
model.DBSession.flush()
except IntegrityError:
raise ValueError("Manager exists!")
I get the "Manager exists" message in my WebError Traceback.
-- Christoph
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