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gh-111375: Fix handling of exceptions within `@contextmanager`-decorated functions - #111676

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pR0Ps wants to merge 15 commits into

python:mainfrom

pR0Ps:bugfix/with-statement-exception-handling

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gh-111375: Fix handling of exceptions within `@contextmanager`-decorated functions#111676
pR0Ps wants to merge 15 commits into
python:mainfrom
pR0Ps:bugfix/with-statement-exception-handling

Commits on May 19, 2026
- Add sys._set_exception() to expose the `PyErr_SetHandledExecption` function
  pR0Ps
  committed
  f25560e
- Fix sys._set_exception() docstring wording
  pR0Ps
  committed
  c46ee7f
- Fix test case and add explanation in comment
  pR0Ps
  committed
  b67a8aa
- Fix exception context in @contextmanagers
  pR0Ps
  committed
  9637f8b
- Reference GH issue in comment
  
  pR0Ps
  and
  iritkatriel
  committed
  68c3034
- Add more checks for exception context
  pR0Ps
  committed
  9433f1c
- Rename test case
  
  pR0Ps
  and
  iritkatriel
  committed
  5848bee
- Update comment
  pR0Ps
  committed
  3ddb383
- Move sys._set_exception() to _contextlib._setup_genmgr_ctx
  pR0Ps
  committed
  ca21f97
- Revert exposing a function that directly manipulates the exception state
  pR0Ps
  committed
  d0afd15
- Add exc_context parameter to {gen/coro}.throw()
  pR0Ps
  committed
  725892c
Commits on Oct 17, 2026
- Revert "Add exc_context parameter to {gen/coro}.throw()"
  pR0Ps
  committed
  6be1bda
- Revert "Revert exposing a function that directly manipulates the exception state"
  pR0Ps
  committed
  727398e
- Remove extra generated .c.h file
  pR0Ps
  committed
  7497eca
- Declare free-threading support for the _contextlib module
  pR0Ps
  committed
  c36f9c9