[issue23188] Exception chaining should trigger for non-normalised exceptions

[Nick Coghlan]

Nick Coghlan added the comment:

Thinking about it a bit further, I suspect implicit normalisation of chained exceptions could cause problems when we only want to set __cause__ without setting __context__ (e.g. codec exception chaining).

I'm going to ponder this one for a while, but happy to hear anyone else's feedback.

At the very least, I think the C API docs could use a bit more clarity on the intricacies of C level exception chaining.

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assignee:  -> ncoghlan

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<http://bugs.python.org/issue23188>
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