diff options
Diffstat (limited to 'lib/sqlalchemy')
| -rw-r--r-- | lib/sqlalchemy/orm/events.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/sqlalchemy/orm/events.py b/lib/sqlalchemy/orm/events.py index d31bff31a..dc049891a 100644 --- a/lib/sqlalchemy/orm/events.py +++ b/lib/sqlalchemy/orm/events.py @@ -2154,7 +2154,8 @@ class AttributeEvents(event.Events): These are typically defined on the class-bound descriptor for the target class. - e.g.:: + For example, to register a listener that will receive the + :meth:`_orm.AttributeEvents.append` event:: from sqlalchemy import event @@ -2165,7 +2166,8 @@ class AttributeEvents(event.Events): Listeners have the option to return a possibly modified version of the value, when the :paramref:`.AttributeEvents.retval` flag is passed to - :func:`.event.listen` or :func:`.event.listens_for`:: + :func:`.event.listen` or :func:`.event.listens_for`, such as below, + illustrated using the :meth:`_orm.AttributeEvents.set` event:: def validate_phone(target, value, oldvalue, initiator): "Strip non-numeric characters from a phone number" |
