[issue11767] Maildir iterator leaks file descriptors by default

[Brendan Dolan-Gavitt]

Brendan Dolan-Gavitt <brendandg at gatech.edu> added the comment:

The _factory object didn't open the file, so why should it close it?

It's also worth noting that things one would naturally consider using as factories (like email.message_from_file) don't close the fd when they're done. I will grant that you could easily create a wrapper factory that does close the descriptor in this case, but that's not the obvious thing to do.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue11767>
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