[Python-Dev] Deadlock by a second import in a thread

Nick Coghlan ncoghlan at gmail.com
Sat Oct 20 06:11:57 CEST 2007

Facundo Batista wrote:
> Hi!
> I was looking to this bug:   http://bugs.python.org/issue1255
> It basically creates a deadlock in Python by doing the following:
> - aa.py imports bb.py
> - bb.py imports time and generates a thread

bb.py is broken - importing a module should never spawn a new thread as 
a side effect (precisely because it will deadlock if the spawned thread 
tries to do an import, which can happen in a myriad of ways).


Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia

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