build(deps): bump pyo3 from 0.21.0 to 0.21.2

[dependabot]

Bumps pyo3 from 0.21.0 to 0.21.2.

Release notes

Sourced from pyo3's releases.

PyO3 0.21.2

This release contains some fixes to compile-time edge cases for the PyO3 0.21 series:

• A missing deprecation warning for the GIL Ref constructor PySet::empty has now been added.
• #[pymodule] functions will no longer trigger missing_docs lints on their generated code.
• Incorrect implementations of __traverse__ in #[pymethods] will now emit a better error.
• Extension modules on AIX will now link to libpython.

This release also fixes some compile errors for the experimental-async and experimental-declarative-modules features, and corrects some documentation typos.

Thank you to the following users for the improvements:

@​adamreichold @​blmarket @​davidhewitt @​Icxolu @​lfn3 @​messense @​wyfo

PyO3 0.21.1

This release is a set of touch-ups to PyO3 0.21 to fix cases found as adoption of PyO3 0.21.0 progressed.

The new PyBackedStr and PyBackedBytes types have had a large range of standard traits implemented, including Clone, PartialEq, Hash, PartialOrd, Display, Debug, Send and Sync.

The argument to a #[setter] function now accepts the full range of input types as any other function argument in a #[pymethods] block, and will now correctly handle a #[pyo3(from_py_with = "...")] annotation.

Some procedural macro output has been adjusted to reuse more code and make it easier to reach complete code coverage in projects using PyO3. The import_exception_bound! macro has been added to further assist with coverage during migration, by skipping generating code which is only needed to use the exception as a GIL Ref.

Finally, the experimental-async feature now correctly handles async fn in #[pymethods] which have a &self or &mut self receiver plus additional arguments.

Thank you to the following users for the improvements:

@​alex @​davidhewitt @​geo7 @​Icxolu @​reswqa @​rikushoney @​tisonkun

Changelog

Sourced from pyo3's changelog.

[0.21.2] - 2024-04-16

Changed

• Deprecate the PySet::empty() gil-ref constructor. #4082

Fixed

• Fix compile error for async fn in #[pymethods] with a &self receiver and more than one additional argument. #4035
• Improve error message for wrong receiver type in __traverse__. #4045
• Fix compile error when exporting a #[pyclass] living in a different Rust module using the experimental-declarative-modules feature. #4054
• Fix missing_docs lint triggering on documented #[pymodule] functions. #4067
• Fix undefined symbol errors for extension modules on AIX (by linking libpython). #4073

[0.21.1] - 2024-04-01

Added

• Implement Send and Sync for PyBackedStr and PyBackedBytes. #4007
• Implement Clone, Debug, PartialEq, Eq, PartialOrd, Ord and Hash implementation for PyBackedBytes and PyBackedStr, and Display for PyBackedStr. #4020
• Add import_exception_bound! macro to import exception types without generating GIL Ref functionality for them. #4027

Changed

• Emit deprecation warning for uses of GIL Refs as #[setter] function arguments. #3998
• Add #[inline] hints on many Bound and Borrowed methods. #4024

Fixed

• Handle #[pyo3(from_py_with = "")] in #[setter] methods #3995
• Allow extraction of &Bound in #[setter] methods. #3998
• Fix some uncovered code blocks emitted by #[pymodule], #[pyfunction] and #[pyclass] macros. #4009
• Fix typo in the panic message when a class referenced in pyo3::import_exception! does not exist. #4012
• Fix compile error when using an async #[pymethod] with a receiver and additional arguments. #4015

Commits

• a646a82 release: 0.21.2
• bd15f92 Deprecate the PySet::empty gil-ref constructor (#4082)
• 4f7c706 Suppress non_local_definitions lint as we often want the non-local effects in...
• 3f6faf0 Extend guide on interaction between method receivers and lifetime elision. (#...
• 4e13c0e Link libpython for AIX target (#4073)
• e501377 fix declarative-modules compile error (#4054)
• fd18955 add #[doc(hidden)] to the Rust module created by #[pymodule] (#4067)
• e174a04 Minor: Fix a typo in Contributing.md (#4066)
• a8abe50 build(deps): bump peaceiris/actions-gh-pages from 3 to 4 (#4062)
• 68d1973 Fix typo (#4052)
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