[issue23902] let exception react to being raised or the setting of magic properties (like __cause__) within Python

[Irit Katriel]

Irit Katriel <iritkatriel at gmail.com> added the comment:

> It seems sufficient to call a magic method on the exception immediately after these the traceback/cause/context parameters have been set while it is being raised


What should happen if this callback raises an exception?

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nosy: +iritkatriel

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue23902>
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