On 05/30/2014 01:47 PM, Devin Jeanpierre wrote:

Don't use daemon threads, they are inherently un-thread-safe: any
global access you do anywhere inside a daemon thread can fail, because
daemon threads are still potentially run during interpreter shutdown,
when globals are being deleted from every module. Most functions you
might call are not safe in a daemon thread at shutdown.

Given the use-case (must shut down, cannot risk a hung process, orphan files be damned) I don't think having a daemon thread die because it raised an exception trying to access a missing global is a big deal.


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