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Mention no subclassing of Python classes in docs

This commit is contained in:
Shahriar Heidrich 2023-08-28 12:34:13 +02:00
parent 23fd73eb57
commit 2855b9d508
1 changed files with 5 additions and 1 deletions
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6
guide/src/class.md
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@ -267,6 +267,10 @@ Consult the table below to determine which type your constructor should return:
By default, `object`, i.e. `PyAny` is used as the base class. To override this default,
use the `extends` parameter for `pyclass` with the full path to the base class.
Currently, only classes defined in Rust and builtins provided by PyO3 can be inherited
from; inheriting from other classes defined in Python is not yet supported
([#991](https://github.com/PyO3/pyo3/issues/991)).
For convenience, `(T, U)` implements `Into<PyClassInitializer<T>>` where `U` is the
base class of `T`.
@ -340,7 +344,7 @@ impl SubSubClass {
# });
```
You can also inherit native types such as `PyDict`, if they implement
You can inherit native types such as `PyDict`, if they implement
[`PySizedLayout`]({{#PYO3_DOCS_URL}}/pyo3/type_object/trait.PySizedLayout.html).
This is not supported when building for the Python limited API (aka the `abi3` feature of PyO3).