pyo3

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`py.run`: `__name__` is `"builtins"`, should be `"__main__"`

1

### Bug Description Python's `exec()` has `__name__` set to `__main__`: ```python exec("print(__name__)") ``` ``` __main__ ``` When running the same code through PyO3's `py.run()`, it'll give `builtins`. ### Steps to...

nschloe

Implement `#[init]` method attribute in `#[pymethods]`

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This allows to control objects initialization flow in the Rust code in case of inheritance from native Python types. A simple example, you implement a class inherited from `PyDict` but...

ahlinc

Opaque Object Layout

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This PR introduces the capability to inherit from classes where the exact layout/size is not known using the mechanism described in [PEP 697](https://peps.python.org/pep-0697/). This allows inheriting from `type` in order...

mbway

Improve native object initialization

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Before this change, classes inheriting the base object were constructed by using `TP_ALLOC` directly, obscuring the intention of `PyNativeTypeInitializer`, and inheriting from other base classes requires use of the unlimited...

mbway

Add partial generic support in pyfunctions

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Hi, I am currently developing a crate that export a generic function that is meant to be configured by users at compile time before being exported to python. This looks...

Bben01

fix(pymodule): improve safety of PyModule::from_code

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If `PyImport_ExecCodeModuleEx` is called with an empty filename or module name, references to any Python variables defined in this context may break assumptions in standard library code. Notably, if `inspect.stack()`...

sxlijin

Add FFI definitions from `pythread.h`

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This PR adds all definitions from `pythread.h` and `cpython/pythread.h` that haven't been deprecated or removed as of CPython 3.13. Of the functions, some are fully documented, some are undocumented but...

LegionMammal978

Add `IntoPyObject` & `FromPyObject` for `Arc<T>`

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Closes #4887. This PR adds IntoPyObject and FromPyObject for Arc by forwarding the conversion to &T. Since we can’t access T, we work around the naming of associated types by...

bschoenmaeckers

overflow evaluating requirement for `&pyo3::Bound<'_, _>: pyo3::IntoPyObject<'_>`

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Found while attempting to upgrade `pydantic-core` to test out PyO3 `main`. Consider the following code from 0.22. ```rust use pyo3::prelude::*; pub trait Foo(foo: impl Foo where for(foo: impl Foo: pyo3::IntoPyObject`...

davidhewitt

Rename `pyo3::prepare_freethreaded_python` to something more meaningful

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The name is confusing now that there is "free-threading" available in Python 3.13. A better name could be `prepare_freestanding_python`.

peterjoel