70a7aa808d
* deprecate the use of `PyCell` in favor of `Bound` and `Py` * update `FromPyObject` for `T: PyClass + Clone` impl * move `PyCell` deprecation to the `gil-refs` feature gate and add a migration note
43 lines
745 B
Rust
43 lines
745 B
Rust
use pyo3::prelude::*;
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#[pyclass(frozen)]
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pub struct Foo {
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#[pyo3(get)]
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field: u32,
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}
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#[pymethods]
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impl Foo {
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fn mut_method(&mut self) {}
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}
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fn borrow_mut_fails(foo: Py<Foo>, py: Python) {
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let borrow = foo.bind(py).borrow_mut();
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}
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#[pyclass(subclass)]
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struct MutableBase;
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#[pyclass(frozen, extends = MutableBase)]
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struct ImmutableChild;
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fn borrow_mut_of_child_fails(child: Py<ImmutableChild>, py: Python) {
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let borrow = child.bind(py).borrow_mut();
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}
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fn py_get_of_mutable_class_fails(class: Py<MutableBase>) {
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class.get();
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}
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fn pyclass_get_of_mutable_class_fails(class: &Bound<'_, MutableBase>) {
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class.get();
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}
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#[pyclass(frozen)]
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pub struct SetOnFrozenClass {
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#[pyo3(set)]
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field: u32,
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}
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fn main() {}
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