attribute extensions can be passed to any column_property() or relation() now. There's no hook at the moment in the "attribute extension" API which fires at the point at which the "AttributeImpl" is assembled.
Mike Bernson wrote: > > I am trying to move from 0.5beta4 to 0.5.2 > > The attribute events are giving me a problem > > The code worked in 0.5beta4 and now is broken. > > > class base(object): > __sa_instrumentation_manager__ = SetListener > > > > listener = ReceiveEvents() > > class SetListener(InstrumentationManager): > def instrument_attribute(self, class_, key, inst): > inst.impl.extensions.append(listener) > > when instrument_attribute is called inst.impl is None. > > I then look at the examples and try the examples/custom_attributes.py > which had the same problem. > > Any Ideas on how to make the this work again ? > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalchemy@googlegroups.com To unsubscribe from this group, send email to sqlalchemy+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~----------~----~----~----~------~----~------~--~---
