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bpo-29587: Enable exception chaining for gen.throw() with "yield from" #19858

Merged
merged 1 commit into from
May 13, 2020
Merged

bpo-29587: Enable exception chaining for gen.throw() with "yield from" #19858

merged 1 commit into from
May 13, 2020

Commits on May 6, 2020

  1. bpo-29587: make gen.throw() chain exceptions with yield from 

    The previous commits on bpo-29587 got exception chaining working
with gen.throw() in the `yield` case. This patch also gets the
`yield from` case working.

As a consequence, implicit exception chaining now also works in
the asyncio scenario of awaiting on a task when an exception is
already active.

Tests are included for both the asyncio case and the pure
generator-only case.
    @cjerdonek
    cjerdonek committed May 6, 2020
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