diff options
Diffstat (limited to 'lib/sqlalchemy/event.py')
| -rw-r--r-- | lib/sqlalchemy/event.py | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/sqlalchemy/event.py b/lib/sqlalchemy/event.py index 5448503b2..0e99eb374 100644 --- a/lib/sqlalchemy/event.py +++ b/lib/sqlalchemy/event.py @@ -5,7 +5,7 @@ and :mod:`sqlalchemy.orm` packages. """ -from sqlalchemy import util +from sqlalchemy import util, exc CANCEL = util.symbol('CANCEL') NO_RETVAL = util.symbol('NO_RETVAL') @@ -26,7 +26,9 @@ def listen(fn, identifier, target, *args, **kw): for evt_cls in _registrars[identifier]: for tgt in evt_cls.accept_with(target): tgt.dispatch.listen(fn, identifier, tgt, *args, **kw) - break + return + raise exc.InvalidRequestError("No such event %s for target %s" % + (identifier,target)) _registrars = util.defaultdict(list) @@ -178,7 +180,7 @@ class dispatcher(object): """ def __init__(self, events): self.dispatch_cls = events.dispatch - + self.events = events def __get__(self, obj, cls): if obj is None: |