[ZODB-Dev] Invalidations

[Rajeev J Sebastian]

> I assume Rajeev doesn't really want to call sync() automatically, because
> that's never what anyone asking that question really wants.  What they
> invariably _want_ is for ZEO to process invalidations by magic, and they've
> been calling sync() manually as a way to get that to happen.

What I also need, is a way to know which objects have changed, 
without having to maintain copies: the reason is to show those 
changes to the user in my (long-running) PyQt window.

Maybe maintaining copies is the only option ?
Rajeev J Sebastian