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feature gate deprecated APIs for `PyIterator` (#4119)

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Icxolu 2024-04-25 19:44:42 +02:00 committed by GitHub
parent 3cb286e0d2
commit 8734b76f60
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1 changed files with 28 additions and 31 deletions
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59
src/types/iterator.rs
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@ -1,9 +1,9 @@
use crate::ffi_ptr_ext::FfiPtrExt; use crate::ffi_ptr_ext::FfiPtrExt;
use crate::instance::Borrowed; use crate::instance::Borrowed;
use crate::py_result_ext::PyResultExt; use crate::py_result_ext::PyResultExt;
use crate::{ #[cfg(feature = "gil-refs")]
ffi, AsPyPointer, Bound, PyAny, PyDowncastError, PyErr, PyNativeType, PyResult, PyTypeCheck, use crate::PyDowncastError;
}; use crate::{ffi, AsPyPointer, Bound, PyAny, PyErr, PyNativeType, PyResult, PyTypeCheck};
/// A Python iterator object. /// A Python iterator object.
/// ///
@ -32,12 +32,10 @@ pyobject_native_type_extract!(PyIterator);
impl PyIterator { impl PyIterator {
/// Deprecated form of `PyIterator::from_bound_object`. /// Deprecated form of `PyIterator::from_bound_object`.
#[cfg_attr( #[cfg(feature = "gil-refs")]
not(feature = "gil-refs"), #[deprecated(
deprecated( since = "0.21.0",
since = "0.21.0", note = "`PyIterator::from_object` will be replaced by `PyIterator::from_bound_object` in a future PyO3 version"
note = "`PyIterator::from_object` will be replaced by `PyIterator::from_bound_object` in a future PyO3 version"
)
)] )]
pub fn from_object(obj: &PyAny) -> PyResult<&PyIterator> { pub fn from_object(obj: &PyAny) -> PyResult<&PyIterator> {
Self::from_bound_object(&obj.as_borrowed()).map(Bound::into_gil_ref) Self::from_bound_object(&obj.as_borrowed()).map(Bound::into_gil_ref)
@ -128,6 +126,7 @@ impl PyTypeCheck for PyIterator {
} }
} }
#[cfg(feature = "gil-refs")]
#[allow(deprecated)] #[allow(deprecated)]
impl<'v> crate::PyTryFrom<'v> for PyIterator { impl<'v> crate::PyTryFrom<'v> for PyIterator {
fn try_from<V: Into<&'v PyAny>>(value: V) -> Result<&'v PyIterator, PyDowncastError<'v>> { fn try_from<V: Into<&'v PyAny>>(value: V) -> Result<&'v PyIterator, PyDowncastError<'v>> {
@ -153,19 +152,17 @@ impl<'v> crate::PyTryFrom<'v> for PyIterator {
} }
#[cfg(test)] #[cfg(test)]
#[cfg_attr(not(feature = "gil-refs"), allow(deprecated))]
mod tests { mod tests {
use super::PyIterator; use super::PyIterator;
use crate::exceptions::PyTypeError; use crate::exceptions::PyTypeError;
use crate::gil::GILPool; use crate::types::{PyAnyMethods, PyDict, PyList, PyListMethods};
use crate::types::{PyAnyMethods, PyDict, PyList}; use crate::{Python, ToPyObject};
use crate::{Py, PyAny, Python, ToPyObject};
#[test] #[test]
fn vec_iter() { fn vec_iter() {
Python::with_gil(|py| { Python::with_gil(|py| {
let obj = vec![10, 20].to_object(py); let obj = vec![10, 20].to_object(py);
let inst = obj.as_ref(py); let inst = obj.bind(py);
let mut it = inst.iter().unwrap(); let mut it = inst.iter().unwrap();
assert_eq!( assert_eq!(
10_i32, 10_i32,
@ -188,7 +185,7 @@ mod tests {
}); });
Python::with_gil(|py| { Python::with_gil(|py| {
let inst = obj.as_ref(py); let inst = obj.bind(py);
let mut it = inst.iter().unwrap(); let mut it = inst.iter().unwrap();
assert_eq!( assert_eq!(
@ -206,26 +203,24 @@ mod tests {
fn iter_item_refcnt() { fn iter_item_refcnt() {
Python::with_gil(|py| { Python::with_gil(|py| {
let count; let count;
let obj = py.eval("object()", None, None).unwrap(); let obj = py.eval_bound("object()", None, None).unwrap();
let list = { let list = {
let _pool = unsafe { GILPool::new() }; let list = PyList::empty_bound(py);
let list = PyList::empty(py);
list.append(10).unwrap(); list.append(10).unwrap();
list.append(obj).unwrap(); list.append(&obj).unwrap();
count = obj.get_refcnt(); count = obj.get_refcnt();
list.to_object(py) list.to_object(py)
}; };
{ {
let _pool = unsafe { GILPool::new() }; let inst = list.bind(py);
let inst = list.as_ref(py);
let mut it = inst.iter().unwrap(); let mut it = inst.iter().unwrap();
assert_eq!( assert_eq!(
10_i32, 10_i32,
it.next().unwrap().unwrap().extract::<'_, i32>().unwrap() it.next().unwrap().unwrap().extract::<'_, i32>().unwrap()
); );
assert!(it.next().unwrap().unwrap().is(obj)); assert!(it.next().unwrap().unwrap().is(&obj));
assert!(it.next().is_none()); assert!(it.next().is_none());
} }
assert_eq!(count, obj.get_refcnt()); assert_eq!(count, obj.get_refcnt());
@ -293,18 +288,20 @@ def fibonacci(target):
fn int_not_iterable() { fn int_not_iterable() {
Python::with_gil(|py| { Python::with_gil(|py| {
let x = 5.to_object(py); let x = 5.to_object(py);
let err = PyIterator::from_object(x.as_ref(py)).unwrap_err(); let err = PyIterator::from_bound_object(x.bind(py)).unwrap_err();
assert!(err.is_instance_of::<PyTypeError>(py)); assert!(err.is_instance_of::<PyTypeError>(py));
}); });
} }
#[test] #[test]
#[cfg(feature = "gil-refs")]
#[allow(deprecated)]
fn iterator_try_from() { fn iterator_try_from() {
Python::with_gil(|py| { Python::with_gil(|py| {
let obj: Py<PyAny> = vec![10, 20].to_object(py).as_ref(py).iter().unwrap().into(); let obj: crate::Py<crate::PyAny> =
let iter: &PyIterator = obj.downcast(py).unwrap(); vec![10, 20].to_object(py).as_ref(py).iter().unwrap().into();
let iter = <PyIterator as crate::PyTryFrom>::try_from(obj.as_ref(py)).unwrap();
assert!(obj.is(iter)); assert!(obj.is(iter));
}); });
} }
@ -321,14 +318,14 @@ def fibonacci(target):
#[crate::pymethods(crate = "crate")] #[crate::pymethods(crate = "crate")]
impl Downcaster { impl Downcaster {
fn downcast_iterator(&mut self, obj: &PyAny) { fn downcast_iterator(&mut self, obj: &crate::Bound<'_, crate::PyAny>) {
self.failed = Some(obj.downcast::<PyIterator>().unwrap_err().into()); self.failed = Some(obj.downcast::<PyIterator>().unwrap_err().into());
} }
} }
// Regression test for 2913 // Regression test for 2913
Python::with_gil(|py| { Python::with_gil(|py| {
let downcaster = Py::new(py, Downcaster { failed: None }).unwrap(); let downcaster = crate::Py::new(py, Downcaster { failed: None }).unwrap();
crate::py_run!( crate::py_run!(
py, py,
downcaster, downcaster,
@ -360,13 +357,13 @@ def fibonacci(target):
#[cfg(feature = "macros")] #[cfg(feature = "macros")]
fn python_class_iterator() { fn python_class_iterator() {
#[crate::pyfunction(crate = "crate")] #[crate::pyfunction(crate = "crate")]
fn assert_iterator(obj: &PyAny) { fn assert_iterator(obj: &crate::Bound<'_, crate::PyAny>) {
assert!(obj.downcast::<PyIterator>().is_ok()) assert!(obj.downcast::<PyIterator>().is_ok())
} }
// Regression test for 2913 // Regression test for 2913
Python::with_gil(|py| { Python::with_gil(|py| {
let assert_iterator = crate::wrap_pyfunction!(assert_iterator, py).unwrap(); let assert_iterator = crate::wrap_pyfunction_bound!(assert_iterator, py).unwrap();
crate::py_run!( crate::py_run!(
py, py,
assert_iterator, assert_iterator,
@ -385,7 +382,7 @@ def fibonacci(target):
#[cfg(not(Py_LIMITED_API))] #[cfg(not(Py_LIMITED_API))]
fn length_hint_becomes_size_hint_lower_bound() { fn length_hint_becomes_size_hint_lower_bound() {
Python::with_gil(|py| { Python::with_gil(|py| {
let list = py.eval("[1, 2, 3]", None, None).unwrap(); let list = py.eval_bound("[1, 2, 3]", None, None).unwrap();
let iter = list.iter().unwrap(); let iter = list.iter().unwrap();
let hint = iter.size_hint(); let hint = iter.size_hint();
assert_eq!(hint, (3, None)); assert_eq!(hint, (3, None));