[issue46844] Context-based TaskGroup for legacy libraries

[Joongi Kim]

Joongi Kim <me at daybreaker.info> added the comment:

Ah, and this use case also requires that TaskGroup should have an option like `return_exceptions=True` which makes it not to cancel sibling tasks upon unhandled exceptions, as I suggested in PersistentTaskGroup (bpo-46843).

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue46844>
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