Jim Fulton wrote at 2007-2-25 08:21 -0600:
>It might also be nice to have this generate events. That is, the
>tracing storage should call zope.event.notify.
>I intent in 3.8 or 3.9 to start having ZODB depend on zope.event. We
>really should have used events rather than adding the callback's
>we've added recently.
Callbacks are more efficient (as they are more local).
And for the ZODB, efficiency may be an issue...
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