[issue10188] tempfile.TemporaryDirectory may throw errors at shutdown

[Nick Coghlan]

Nick Coghlan <ncoghlan at gmail.com> added the comment:

Tidy ups committed in r87182. Shutdown problems now result in a slightly more meaningful message on stderr, a ResourceWarning is triggered when an implicit teardown occurs and the chances of an AttributeError due to an exception in __init__ are minimised.

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<http://bugs.python.org/issue10188>
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