⬆️ Bump pyo3 from 0.20.3 to 0.21.1, numpy from 0.20.0 to 0.21.0 (#15)

* ⬆️ Bump pyo3 from 0.20.3 to 0.21.1, numpy from 0.20.0 to 0.21.0

Bumps [pyo3](https://github.com/pyo3/pyo3) from 0.20.3 to 0.21.1.
- [Release notes](https://github.com/pyo3/pyo3/releases)
- [Changelog](https://github.com/PyO3/pyo3/blob/main/CHANGELOG.md)
- [Commits](PyO3/pyo3@v0.20.3...v0.21.1)

Bumps [numpy](https://github.com/PyO3/rust-numpy) from 0.20.0 to 0.21.0.
- [Release notes](https://github.com/PyO3/rust-numpy/releases)
- [Changelog](https://github.com/PyO3/rust-numpy/blob/main/CHANGELOG.md)
- [Commits](PyO3/rust-numpy@v0.20.0...v0.21.0)

* 👽 Migrate to pyo3's new Bound API

Switch from pyo3 GIL Ref API to the Bound API. Xref https://polar.sh/davidhewitt/posts/replacing-pyo3-api-pt1 and https://pyo3.rs/v0.21.1/migration#from-020-to-021

Cargo.toml

@@ -13,9 +13,9 @@ crate-type = ["cdylib"]
 bytes = "1.5.0"
 geo = "0.28.0"
 ndarray = "0.15.6"
-numpy = "0.20.0"
+numpy = "0.21.0"
 object_store = { version = "0.9.0", features = ["http"] }
-pyo3 = { version = "0.20.3", features = ["abi3-py310", "extension-module"] }
+pyo3 = { version = "0.21.1", features = ["abi3-py310", "extension-module"] }
 tiff = { git = "https://github.com/image-rs/image-tiff.git", version = "0.9.1", rev = "0c54a18e2130bd8e3e897009e1fb59eaaf607c6c" }  # https://github.com/image-rs/image-tiff/pull/224
 tokio = { version = "1.36.0", features = ["rt-multi-thread"] }
 url = "2.5.0"

src/python/adapters.rs

@@ -6,8 +6,7 @@ use numpy::{PyArray3, ToPyArray};
 use object_store::{parse_url, ObjectStore};
 use pyo3::exceptions::{PyBufferError, PyFileNotFoundError, PyValueError};
 use pyo3::prelude::{pyclass, pyfunction, pymethods, pymodule, PyModule, PyResult, Python};
-use pyo3::wrap_pyfunction;
-use pyo3::PyErr;
+use pyo3::{wrap_pyfunction, Bound, PyErr};
 use url::Url;
 
 use crate::io::geotiff::CogReader;
@@ -60,14 +59,14 @@ impl PyCogReader {
     /// -------
     /// array : np.ndarray
     ///     3D array of shape (band, height, width) containing the GeoTIFF pixel data.
-    fn to_numpy<'py>(&mut self, py: Python<'py>) -> PyResult<&'py PyArray3<f32>> {
+    fn to_numpy<'py>(&mut self, py: Python<'py>) -> PyResult<Bound<'py, PyArray3<f32>>> {
         let array_data: Array3<f32> = self
             .inner
             .ndarray()
             .map_err(|err| PyValueError::new_err(err.to_string()))?;
 
         // Convert from ndarray (Rust) to numpy ndarray (Python)
-        Ok(array_data.to_pyarray(py))
+        Ok(array_data.to_pyarray_bound(py))
     }
 }
 
@@ -124,7 +123,7 @@ fn path_to_stream(path: &str) -> PyResult<Cursor<Bytes>> {
 /// assert array.shape == (20, 20)
 #[pyfunction]
 #[pyo3(name = "read_geotiff")]
-fn read_geotiff_py<'py>(path: &str, py: Python<'py>) -> PyResult<&'py PyArray3<f32>> {
+fn read_geotiff_py<'py>(path: &str, py: Python<'py>) -> PyResult<Bound<'py, PyArray3<f32>>> {
     // Open URL with TIFF decoder
     let mut reader = PyCogReader::new(path)?;
 
@@ -138,7 +137,7 @@ fn read_geotiff_py<'py>(path: &str, py: Python<'py>) -> PyResult<&'py PyArray3<f
 /// the `lib.name` setting in the `Cargo.toml`, else Python will not be able to
 /// import the module.
 #[pymodule]
-fn cog3pio(_py: Python, m: &PyModule) -> PyResult<()> {
+fn cog3pio<'py>(_py: Python, m: &Bound<'py, PyModule>) -> PyResult<()> {
     // Register Python classes
     m.add_class::<PyCogReader>()?;
     // Register Python functions