chore(deps): update dependency trio to v0.32.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
trio (changelog)	==0.28.0 → ==0.32.0

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Release Notes

python-trio/trio (trio)

v0.32.0

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Full Changelog: python-trio/trio@v0.31.0...v0.32.0

Features

• Allow trio.CapacityLimiter to have zero total_tokens. (#​3321)

Bugfixes

• Fixed a bug where iterating over an @as_safe_channel-derived ReceiveChannel would raise trio.BrokenResourceError if the channel was closed by another task. It now shuts down cleanly. (#​3331)
• trio.lowlevel.Task.iter_await_frames now works on completed tasks, by returning an empty list of frames if the underlying coroutine has been closed. Previously, it raised an internal error. (#​3337)

Removals without deprecations

• Drop support for Python 3.9. (#​3345)

Miscellaneous internal changes

• Decrease indentation for exception groups raised in trio.as_safe_channel. (#​3332)

v0.31.0

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Full Changelog: python-trio/trio@v0.30.0...v0.31.0

Features

• Cancelled strings can now display the source and reason for a cancellation. Trio-internal sources of cancellation will set this string, and CancelScope.cancel now has a reason string parameter that can be used to attach info to any Cancelled to help in debugging. (#​3232)

Bugfixes

• Make ctrl+c work in more situations in the Trio REPL (python -m trio). (#​3007)
• Allow pickling trio.Cancelled, as they can show up when you want to pickle something else. This does not rule out pickling other NoPublicConstructor objects -- create an issue if necessary. (#​3248)
• Decrease import time on Windows by around 10%. (#​3263)
• Handle unwrapping SystemExit/KeyboardInterrupt exception gracefully in utility function raise_single_exception_from_group that reraises last exception from group. (#​3275)
• Ensure that the DTLS server does not mutate SSL context. (#​3277)
• Avoid having trio.as_safe_channel raise if closing the generator wrapped
  GeneratorExit in a BaseExceptionGroup. (#​3324)

Deprecations and removals

• Implement bool(trio.Event) and have it raise a DeprecationWarning and tell users to use trio.Event.is_set instead. This is an alternative to mypy --enable-error-code=truthy-bool for users who don't use type checking. (#​3322)

Miscellaneous internal changes

• When misnesting nurseries you now get a helpful RuntimeError instead of a catastrophic TrioInternalError. (#​3307)

v0.30.0

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Full Changelog: python-trio/trio@v0.29.0...v0.30.0

Features

• Add @trio.as_safe_channel, a wrapper that can be used to make async generators safe.
  This will be the suggested fix for the flake8-async lint rule ASYNC900. (#​3197)

Bugfixes

• Allow trio to be a types.ModuleType and still have deprecated attributes. (#​2135)
• Fixed socket module for some older systems which lack socket.AI_NUMERICSERV.
  Now trio works on legacy (pre-Lion) macOS. (#​3133)
• Update type hints for trio.run_process and trio.lowlevel.open_process. (#​3183)
• Don't mutate the global runner when MockClock is created. (#​3205)
• Fix incorrect return type hint for Nursery.start(). (#​3224)

Improved documentation

• Update wording in documentation to more accurately reflect Trio's maturity. (#​3216)

v0.29.0

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Full Changelog: python-trio/trio@v0.28.0...v0.29.0

Features

• Add trio.lowlevel.in_trio_run and trio.lowlevel.in_trio_task and document the semantics (and differences) thereof. (#​2757)
• If trio.testing.RaisesGroup does not get the expected exceptions it now raises an AssertionError with a helpful message, instead of letting the raised exception/group fall through. The raised exception is available in the __context__ of the AssertionError and can be seen in the traceback. (#​3145)

Bugfixes

• Clear Trio's cache of worker threads upon os.fork. (#​2764)

Miscellaneous internal changes

• Stop using ctypes to mutate tracebacks for strict_exception_groups=False's exception collapsing. (#​405)

• Fixed spelling error in Windows error code enum for ERROR_INVALID_PARAMETER. (#​3166)

• Publicly re-export __version__ for type checking purposes. (#​3186)

• The typing of trio.abc.HostnameResolver.getaddrinfo has been corrected to match that of the stdlib socket.getaddrinfo, which was updated in mypy 1.15 (via a typeshed update) to include the possibility of tuple[int, bytes] for the sockaddr field of the result. This happens in situations where Python was compiled with --disable-ipv6.

  Additionally, the static typing of trio.to_thread.run_sync, trio.from_thread.run and trio.from_thread.run_sync has been improved and should reflect the underlying function being run. (#​3201)

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