[PEAK] Trellis patch (py2.6, -OO, Component.__cells__ undo)

Sergey Schetinin maluke at gmail.com
Sat Apr 4 08:34:06 EDT 2009

I've just noticed that some of the bugfixes from last year were
commited this February. Great!
I submit a small patch that
1. makes Trellis import on py2.6 without warning
2. makes Trellis work when running in -OO mode (docstring)
3. undo-logs registration of new cells in Cells(comp)
The last one would need more work once multithreading is supported,
because now setdefault is not enough to ensure thread-safety.
(Rollback in one of the threads can remove cells created by another.)

I'm attaching the test as well.

Best Regards,
Sergey Schetinin

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