[Python-Dev] Dealing with import lock deadlock in Import Hooks (original) (raw)
Brett Cannon brett at python.org
Mon Aug 12 16:23:12 CEST 2013
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On Mon, Aug 12, 2013 at 5:12 AM, Arnaud Fontaine <arnaud.fontaine at nexedi.com
wrote:
Victor Stinner <victor.stinner at 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?).
http://prezi.com/mqptpza9xbic/?utm_campaign=share&utm_medium=copy
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