Sourced from pyo3's releases.

PyO3 0.22.1

This patch release improves some cases related to new functionality in PyO3 0.22.

PartialEq<bool> has been added for Bound<'py, PyBool>.

The #[pyo3(submodule)] attribute has been added for declarative modules to stop submodules from generating an external C symbol for importing the submodule directly (which is typically never used). Declarative modules will also now correctly add items annotated with full-path attributes like #[pyo3::prelude::pyfunction].

The #[pyclass(eq)] option will no longer raise a TypeError on comparison against types not in the signature.

A #[setter] in #[pymethods] with an Option<T> input will no longer raise a deprecation warning.

A regression has been fixed in conversions for 128-bit integers on big-endian platforms.

Thank you to the following contributors for the improvements:

@​alex @​davidhewitt @​jatoben @​kylebarron @​musicinmybrain @​ngoldbaum @​Owen-CH-Leung

Sourced from pyo3's changelog.

[0.22.1] - 2024-07-06

Added

• Add #[pyo3(submodule)] option for declarative #[pymodule]s. #4301
• Implement PartialEq<bool> for Bound<'py, PyBool>. #4305

Fixed

• Return NotImplemented instead of raising TypeError from generated equality method when comparing different types. #4287
• Handle full-path #[pyo3::prelude::pymodule] and similar for #[pyclass] and #[pyfunction] in declarative modules.#4288
• Fix 128-bit int regression on big-endian platforms with Python <3.13. #4291
• Stop generating code that will never be covered with declarative modules. #4297
• Fix invalid deprecation warning for trailing optional on #[setter] function. #4304

[0.22.0] - 2024-06-24

Packaging

• Update heck dependency to 0.5. #3966
• Extend range of supported versions of chrono-tz optional dependency to include version 0.10. #4061
• Update MSRV to 1.63. #4129
• Add optional num-rational feature to add conversions with Python's fractions.Fraction. #4148
• Support Python 3.13. #4184

Added

• Add PyWeakref, PyWeakrefReference and PyWeakrefProxy. #3835
• Support #[pyclass] on enums that have tuple variants. #4072
• Add support for scientific notation in Decimal conversion. #4079
• Add pyo3_disable_reference_pool conditional compilation flag to avoid the overhead of the global reference pool at the cost of known limitations as explained in the performance section of the guide. #4095
• Add #[pyo3(constructor = (...))] to customize the generated constructors for complex enum variants. #4158
• Add PyType::module, which always matches Python __module__. #4196
• Add PyType::fully_qualified_name which matches the "fully qualified name" defined in PEP 737. #4196
• Add PyTypeMethods::mro and PyTypeMethods::bases. #4197
• Add #[pyclass(ord)] to implement ordering based on PartialOrd. #4202
• Implement ToPyObject and IntoPy<PyObject> for PyBackedStr and PyBackedBytes. #4205
• Add #[pyclass(hash)] option to implement __hash__ in terms of the Hash implementation #4206
• Add #[pyclass(eq)] option to generate __eq__ based on PartialEq, and #[pyclass(eq_int)] for simple enums to implement equality based on their discriminants. #4210
• Implement From<Bound<'py, T>> for PyClassInitializer<T>. #4214
• Add as_super methods to PyRef and PyRefMut for accesing the base class by reference. #4219
• Implement PartialEq<str> for Bound<'py, PyString>. #4245
• Implement PyModuleMethods::filename on PyPy. #4249
• Implement PartialEq<[u8]> for Bound<'py, PyBytes>. #4250
• Add pyo3_ffi::c_str macro to create &'static CStr on Rust versions which don't have 1.77's c"" literals. #4255
• Support bool conversion with numpy 2.0's numpy.bool type #4258
• Add PyAnyMethods::{bitnot, matmul, floor_div, rem, divmod}. #4264

Changed

... (truncated)

• 59c4fa3 release: 0.22.1 (#4314)
• 9afc38a fixes #4285 -- allow full-path to pymodule with nested declarative modules (#...
• 5860c4f implement PartialEq for Pybool & bool (#4305)
• 0af0227 fix deprecation warning for trailing optional on #[setter] functions (#4304)
• ee9123a Fix link in the contribution guide (#4306)
• ccd0447 refs #4286 -- allow setting submodule on declarative pymodules (#4301)
• f3603a0 Avoid generating functions that are only ever const evaluated with declarativ...
• 872bd7e Add pyo3-arrow to README (#4302)
• 8f7450e Fix 128-bit int regression on big-endian with Python <3.13 (#4291)
• 7c2f5e8 Don't raise TypeError from generated equality method (#4287)
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