Update pyo3 requirement from 0.16 to 0.18

[dependabot]

Updates the requirements on pyo3 to permit the latest version.

Release notes

Sourced from pyo3's releases.

PyO3 0.18.0

This release contains a number of new features for PyO3's macros which should make maintaining PyO3 projects easier.

#[pyfunction] and #[pymethods] have a new #[pyo3(signature = (...))] option which allows specifying the Python signature. This replaces the #[args] option already present for #[pymethods]; the new option is better-validated and offers a syntax much more intuitive to users familiar with writing pure-Python functions.

#[pyclass] has new get_all and set_all options for cases where all fields of a type should be readable or writable from Python.

The #[pyo3(text_signature = "...")] option is now autogenerated for all functions created with #[pyfunction] and #[pymethods]. It can still be applied manually when it is necessary to override the generated form.

As well as the macro API improvements, some other notable changes include:

• PySet::new and PyFrozenSet::new now accept Rust iterators rather than requiring a slice.
• Rust types have been added for all Python's built-in Warning types.
• Non-zero integer types in std::num now have a conversion to/from Python int.
• The deprecated #[pyproto] attribute is now removed.

There have been numerous other smaller improvements, changes and fixes. For full details see the CHANGELOG.

Please consult the migration guide for help upgrading.

Thank you to everyone who contributed code, documentation, design ideas, bug reports, and feedback. The following users' commits are included in this release:

@​a1phyr @​adamreichold @​AdilZouitine @​alex @​birkenfeld @​CLOVIS-AI @​ctb @​dalcde @​datapythonista @​davidhewitt @​dylanbstorey @​flickpp @​gnaaman-dn @​haixuanTao @​hauntsaninja @​ijl @​itamarst @​jqnatividad @​matthewlloyd @​mejrs @​messense @​mrob95 @​ongchi @​Oppen @​prehner @​Psykopear @​qbx2 @​ryanrussell @​saethlin

... (truncated)

Changelog

Sourced from pyo3's changelog.

[0.18.0] - 2023-01-17

Packaging

• Relax indexmap optional depecency to allow >= 1.6, < 2. [[feat] Add pub api for checking column index is sorted. apache/arrow-rs#2849](PyO3/pyo3#2849
• Relax hashbrown optional dependency to allow >= 0.9, < 0.14. #2875
• Update memoffset dependency to 0.8. #2875

Added

• Add GILOnceCell::get_or_try_init for fallible GILOnceCell initialization. #2398
• Add experimental feature experimental-inspect with type_input() and type_output() helpers to get the Python type of any Python-compatible object. #2490 #2882
• The #[pyclass] macro can now take get_all and set_all to create getters and setters for every field. #2692
• Add #[pyo3(signature = (...))] option for #[pyfunction] and #[pymethods]. #2702
• pyo3-build-config: rebuild when PYO3_ENVIRONMENT_SIGNATURE environment variable value changes. #2727
• Add conversions between non-zero int types in std::num and Python int. #2730
• Add Py::downcast() as a companion to PyAny::downcast(), as well as downcast_unchecked() for both types. #2734
• Add types for all built-in Warning classes as well as PyErr::warn_explicit. #2742
• Add abi3-py311 feature. #2776
• Add FFI definition _PyErr_ChainExceptions() for CPython. #2788
• Add FFI definitions PyVectorcall_NARGS and PY_VECTORCALL_ARGUMENTS_OFFSET for PyPy 3.8 and up. #2811
• Add PyList::get_item_unchecked for PyPy. #2827

Changed

• PyO3's macros now emit a much nicer error message if function return values don't implement the required trait(s). #2664
• Use a TypeError, rather than a ValueError, when refusing to treat a str as a Vec. #2685
• Change PyCFunction::new_closure to take name and doc arguments. #2686
• PyType::is_subclass, PyErr::is_instance and PyAny::is_instance now take &PyAny instead of &PyType arguments, so that they work with objects that pretend to be types using __subclasscheck__ and __instancecheck__. #2695
• Deprecate #[args] attribute and passing "args" specification directly to #[pyfunction] in favor of the new #[pyo3(signature = (...))] option. #2702
• Deprecate required arguments after Option<T> arguments to #[pyfunction] and #[pymethods] without also using #[pyo3(signature)] to specify whether the arguments should be required or have defaults. #2703
• Change #[pyfunction] and #[pymethods] to use a common call "trampoline" to slightly reduce generated code size and compile times. #2705
• PyAny::cast_as() and Py::cast_as() are now deprecated in favor of PyAny::downcast() and the new Py::downcast(). #2734
• Relax lifetime bounds on PyAny::downcast(). #2734
• Automatically generate __text_signature__ for all Python functions created using #[pyfunction] and #[pymethods]. #2784
• Accept any iterator in PySet::new and PyFrozenSet::new. #2795
• Mixing #[cfg(...)] and #[pyo3(...)] attributes on #[pyclass] struct fields will now work. #2796
• Re-enable PyFunction on when building for abi3 or PyPy. #2838
• Improve derive(FromPyObject) to use intern! when applicable for #[pyo3(item)]. #2838

Removed

• Remove the deprecated pyproto feature, #[pyproto] macro, and all accompanying APIs. #2587
• Remove all functionality deprecated in PyO3 0.16. #2843

Fixed

• Disable PyModule::filename on PyPy. #2715
• PyCodeObject is now once again defined with fields on Python 3.7. #2726
• Raise a TypeError if #[new] pymethods with no arguments receive arguments when called from Python. #2749

... (truncated)

Commits

• 224a416 release: 0.18.0
• ca1bbe3 add migration notes for PyO3 0.18
• 72c561c Merge #2882
• 713f51a Merge #2879
• 8026f35 Improve derive(FromPyObject) to apply intern! when applicable
• 20ca3be inspect: gate behind experimental-inspect feature
• 556b3cf Merge #2703
• 8f48d15 deprecate required arguments after option arguments without signature
• ed0f338 Merge #2875
• a7a9dae Add a changelog entry for [#2875](https://github.com/pyo3/pyo3/issues/2875)
• Additional commits viewable in compare view

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