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bpo-45607: Make it possible to enrich exception displays via setting their __note__ field (GH-29880)

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Irit Katriel 2021-12-03 22:01:15 +00:00 • committed by GitHub
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Doc/library/exceptions.rst
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@ -127,6 +127,14 @@ The following exceptions are used mostly as base classes for other exceptions.
tb = sys.exc_info()[2]
raise OtherException(...).with_traceback(tb)
.. attribute:: __note__
A mutable field which is :const:`None` by default and can be set to a string.
If it is not :const:`None`, it is included in the traceback. This field can
be used to enrich exceptions after they have been caught.
.. versionadded:: 3.11
.. exception:: Exception