allow Bound<'_, T> in #[pymethods] self position
#3896
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davidhewitt
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Feb 24, 2024
pyo3-macros-backend/src/method.rs
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| @@ -207,12 +207,11 @@ impl SelfType { | |||
| SelfType::TryFromPyCell(span) => { | |||
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It might be nice to rename this TryFromPyCell variant to TryFromBoundRef.
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| impl<'a, 'py, T: PyClass> TryFrom<BoundRef<'a, 'py, T>> for PyRef<'py, T> { | ||
| type Error = PyBorrowError; | ||
| #[inline] | ||
| fn try_from(value: BoundRef<'a, 'py, T>) -> Result<Self, Self::Error> { | ||
| value.0.clone().into_gil_ref().try_into() | ||
| } | ||
| } |
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This .into_gil_ref() use here and below seems correct for now (and gets cleaned up after #3860) 👍
src/impl_/pymethods.rs
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| @@ -490,6 +492,12 @@ impl<'a, 'py> BoundRef<'a, 'py, PyAny> { | |||
| Bound::ref_from_ptr_or_opt(py, ptr).as_ref().map(BoundRef) | |||
| } | |||
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| pub unsafe fn downcast<T: PyTypeCheck>( | |||
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I'd think this one is actually safe, given it's checked?
Suggested change
| pub unsafe fn downcast<T: PyTypeCheck>( | |
| pub fn downcast<T: PyTypeCheck>( |
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Your completely right, one of those copy pasta errors 😆 . I'll fix it
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Part of #3684
This allows extracting
&Bound<'_, T>andBound<'_, T>in#[pymethods]selfposition. This further discourages use ofPyCelland makesBound<'_, T>the primary type for interacting with Python objects.