gh-89770: Implement PEP-678 - Exception notes#31317

Merged

iritkatriel merged 23 commits intopython:mainfrom iritkatriel:pep-678

Apr 16, 2022

+384-145

Commits on Feb 13, 2022

PEP-678: exception notes are set by add_note(). __notes__ holds a tuple of the assigned notes
iritkatriel
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Commits on Feb 23, 2022

clear notes with del e.__notes__, remove replace arg and None note option
iritkatriel
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Commits on Mar 2, 2022

do not create new tuple when __notes__ is accessed
iritkatriel
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Commits on Mar 17, 2022

if __notes__ is not sequence, print repr(__notes__). If note is not a string, print str(note)
iritkatriel
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Commits on Mar 21, 2022

simplify traceback code (no need to special case note which is a string)
iritkatriel
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Commits on Mar 22, 2022

shallow copy the notes in split(), if it's a sequence
iritkatriel
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Commits on Mar 23, 2022

split() ignores notes if they are not a sequence
iritkatriel
committed

Commits on Mar 28, 2022

typo in doc

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encukou
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