code: add ExceptionInfo.from_exception
#10901
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bluetech
commented
Apr 12, 2023
| """Return an ExceptionInfo for an existing exc_info tuple. | ||
| """Return an ExceptionInfo for an existing exception. | ||
| The exception must have a non-``None`` ``__traceback__`` attribute, |
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The only hitch here is this subtlety. An alternative is to just allow ExcInfo to have a missing traceback...
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Hmm I personally prefer to get a clear error at this point, rather than make ExceptionInfo.__traceback__ be Optional.
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The old-style `sys.exc_info()` triplet is redundant nowadays with `(type(exc), exc, exc.__traceback__)`, and is beginning to get soft-deprecated in Python 3.12. Add a nicer API to ExceptionInfo which takes just the exc instead of the triplet. There are already a few internal uses which benefit.
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nicoddemus
approved these changes
Apr 13, 2023
| """Return an ExceptionInfo for an existing exc_info tuple. | ||
| """Return an ExceptionInfo for an existing exception. | ||
| The exception must have a non-``None`` ``__traceback__`` attribute, |
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Hmm I personally prefer to get a clear error at this point, rather than make ExceptionInfo.__traceback__ be Optional.
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The old-style
sys.exc_info()triplet is redundant nowadays with(type(exc), exc, exc.__traceback__), and is beginning to get soft-deprecated in Python 3.12.Add a nicer API to ExceptionInfo which takes just the exc instead of the triplet. There are already a few internal uses which benefit.