Update to PyO3 beta

Author: VirxEC

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "rlbot-flatbuffers-py"
-version = "0.1.6"
+version = "0.1.7"
 edition = "2021"
 description = "A Python module implemented in Rust for serializing and deserializing RLBot's flatbuffers"
 repository = "https://github.com/VirxEC/rlbot-flatbuffers-py"
@@ -18,7 +18,7 @@ name = "rlbot_flatbuffers"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = "0.20.3"
+pyo3 = "0.21.0-beta.0"
 serde = "1.0.197"
 flatbuffers = { git = "https://github.com/google/flatbuffers", branch = "master" }
 get-size = { version = "0.1.4", features = ["derive"] }

Cargo.toml

@@ -77,7 +77,9 @@ impl PythonBindGenerator {
         if bind_type == PythonBindType::Union {
             file_contents.push(Cow::Borrowed("use pyo3::{pyclass, pymethods};"));
         } else {
-            file_contents.push(Cow::Borrowed("use pyo3::{pyclass, pymethods, types::PyBytes, Python};"));
+            file_contents.push(Cow::Borrowed(
+                "use pyo3::{pyclass, pymethods, types::PyBytes, Bound, Python};",
+            ));
         }
 
         file_contents.push(Cow::Borrowed(""));
@@ -917,7 +919,7 @@ impl PythonBindGenerator {
     }
 
     fn generate_pack_method(&mut self) {
-        self.write_str("    fn pack<'p>(&self, py: Python<'p>) -> &'p PyBytes {");
+        self.write_str("    fn pack<'py>(&self, py: Python<'py>) -> Bound<'py, PyBytes> {");
         if self.has_complex_pack {
             self.write_str("        let size = self.get_size();");
             self.write_str("        let mut builder = FlatBufferBuilder::with_capacity(size);");
@@ -935,13 +937,13 @@ impl PythonBindGenerator {
             self.write_str("        let offset = flat_t.pack(&mut builder);");
             self.write_str("        builder.finish(offset, None);");
             self.write_str("");
-            self.write_str("        PyBytes::new(py, builder.finished_data())");
+            self.write_str("        PyBytes::new_bound(py, builder.finished_data())");
         } else if self.bind_type == PythonBindType::Enum {
-            self.write_str("        PyBytes::new(py, &[flat_t.0])");
+            self.write_str("        PyBytes::new_bound(py, &[flat_t.0])");
         } else {
             self.write_str("        let item = flat_t.pack();");
             self.write_str("");
-            self.write_str("        PyBytes::new(py, &item.0)");
+            self.write_str("        PyBytes::new_bound(py, &item.0)");
         }
 
         self.write_str("    }");

build.rs

@@ -12,7 +12,7 @@
 
     from time import time_ns
 
-    num_trials = 1_000
+    num_trials = 10_000_000
 
     total_pack_time = 0
     total_unpack_time = 0

pytest.py

@@ -27,7 +27,7 @@ macro_rules! pynamedmodule {
         #[doc = $doc]
         #[pymodule]
         #[allow(redundant_semicolons)]
-        fn $name(_py: Python, m: &PyModule) -> PyResult<()> {
+        fn $name(_py: Python, m: Bound<PyModule>) -> PyResult<()> {
             $(m.add_class::<$class_name>()?);*;
             $(m.add($var_name, $value)?);*;
             Ok(())