28a0c4d5e2
Trio 0.20.0 (2022-02-21)
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Features
- You can now conveniently spawn a child process in a background task
and interact it with on the fly using ``process = await
nursery.start(run_process, ...)``. See `run_process` for more details.
We recommend most users switch to this new API. Also note that:
- ``trio.open_process`` has been deprecated in favor of
`trio.lowlevel.open_process`,
- The ``aclose`` method on `Process` has been deprecated along with
``async with process_obj``.
- Now context variables set with `contextvars` are preserved when running functions
in a worker thread with `trio.to_thread.run_sync`, or when running
functions from the worker thread in the parent Trio thread with
`trio.from_thread.run`, and `trio.from_thread.run_sync`.
This is done by automatically copying the `contextvars` context.
`trio.lowlevel.spawn_system_task` now also receives an optional ``context`` argument.
Bugfixes
- Trio now avoids creating cyclic garbage when a `MultiError` is generated and filtered,
including invisibly within the cancellation system. This means errors raised
through nurseries and cancel scopes should result in less GC latency.
- Trio now deterministically cleans up file descriptors that were opened before
subprocess creation fails. Previously, they would remain open until the next run of
the garbage collector.
- Add compatibility with OpenSSL 3.0 on newer Python and PyPy versions by working
around ``SSLEOFError`` not being raised properly.
- Fix a bug that could cause `Process.wait` to hang on Linux systems using pidfds, if
another task were to access `Process.returncode` after the process exited but before
``wait`` woke up
5 lines
352 B
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5 lines
352 B
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$NetBSD: distinfo,v 1.2 2022/02/22 13:56:14 adam Exp $
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BLAKE2s (trio-0.20.0.tar.gz) = 52d3d031829ca01c5ff435930e1d9b155f004d7024232d563d22a88b4a9712e6
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SHA512 (trio-0.20.0.tar.gz) = 892604fb74298e8454c4863ff54a2a05775d11c88cb26fa9188a1727c8bd2847c1a4a4a497d9b2045b26a1f886eb08aeec17a7047769f8b21796549405206dd7
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Size (trio-0.20.0.tar.gz) = 444961 bytes
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