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Victor Stinner <victor.stinner@gmail.com> writes:

\>>I'm currently working on implementing Import Hooks (PEP302) with Python
\>> 2.7 to be able to import modules whose code is in ZODB. However, I have
\>> stumbled upon a widely known issue about import deadlock\[0\]\[1\] (...)
\>
\> In Python 3.3, the import machinery has been rewritten (importlib is used
\> by default) and the import lock is now per module, no more global.

Yes, I saw the bug report and its patch implementing the import lock per
module (mentioned in my initial email) and watched the presentation by
Brett Cannon (BTW, I could not find the diagram explained during the
presentation, anyone knows if it's available somewhere?).