[issue1868] threading.local doesn't free attrs when assigning thread exits

[Christian Heimes]

Christian Heimes <lists at cheimes.de> added the comment:

Good catch, Ben!

The generic setattr/getattr functions don't work as expected when the
base class doesn't provide a __dict__. They are setting the attributes
in the subclass' __dict__ instead of the thread local dict.

My patch fixes the behavior. However it might be a better idea to make
the threadlocal class non subclass-able.

Added file: http://bugs.python.org/file11297/threading_local2.patch

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