Spurred by this discussion, I implemented a simple events system
that's akin to Zope3's object events.
>From the docs:
To subscribe only to insert events of documents, do::
def document_insert_handler(event):
print event.object, event.request
kotti.events.objectevent_listeners[(kotti.events.ObjectInsert,
kotti.resources.Document)].append(
document_insert_handler)
The actual insert, update, delete events are still coming from
SQLAlchemy but turned into events that hide away calls to
"get_current_request" and the necessity to deal with SQLAlchemy
internals, that is, calls to "session.is_modified" on update.
See https://github.com/dnouri/Kotti/blob/master/kotti/events.py
--
Daniel Nouri
http://danielnouri.org
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