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#[cfg(not(target_os = "windows"))]
fn main() -> pyo3::PyResult<()> {
use pyo3::{prelude::*, types::PyType};
pyo3::prepare_freethreaded_python();
let mut builder = tokio::runtime::Builder::new_current_thread();
builder.enable_all();
pyo3_async_runtimes::tokio::init(builder);
std::thread::spawn(move || {
pyo3_async_runtimes::tokio::get_runtime().block_on(futures::future::pending::<()>());
});
Python::with_gil(|py| {
// uvloop not supported on the free-threaded build yet
// https://github.com/MagicStack/uvloop/issues/642
let sysconfig = py.import("sysconfig")?;
let is_freethreaded = sysconfig.call_method1("get_config_var", ("Py_GIL_DISABLED",))?;
if is_freethreaded.is_truthy()? {
return Ok(());
}
let uvloop = py.import("uvloop")?;
uvloop.call_method0("install")?;
// store a reference for the assertion
let uvloop = PyObject::from(uvloop);
pyo3_async_runtimes::tokio::run(py, async move {
// verify that we are on a uvloop.Loop
Python::with_gil(|py| -> PyResult<()> {
assert!(
pyo3_async_runtimes::tokio::get_current_loop(py)?.is_instance(
uvloop
.bind(py)
.getattr("Loop")?
.downcast::<PyType>()
.unwrap()
)?
);
Ok(())
})?;
tokio::time::sleep(std::time::Duration::from_secs(1)).await;
println!("test test_tokio_current_thread_uvloop ... ok");
Ok(())
})
})
}
#[cfg(target_os = "windows")]
fn main() {}
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