rustapi_module: move issue_219 regression test

examples/rustapi_module/setup.py

@@ -41,11 +41,12 @@ setup(
     rust_extensions=[
         make_rust_extension("rustapi_module.buf_and_str"),
         make_rust_extension("rustapi_module.datetime"),
+        make_rust_extension("rustapi_module.misc"),
         make_rust_extension("rustapi_module.objstore"),
         make_rust_extension("rustapi_module.othermod"),
+        make_rust_extension("rustapi_module.pyclass_iter"),
         make_rust_extension("rustapi_module.subclassing"),
         make_rust_extension("rustapi_module.test_dict"),
-        make_rust_extension("rustapi_module.pyclass_iter"),
     ],
     include_package_data=True,
     zip_safe=False,

examples/rustapi_module/src/datetime.rs

@@ -183,13 +183,6 @@ fn datetime_from_timestamp<'p>(
     PyDateTime::from_timestamp(py, ts, tz)
 }
 
-#[pyfunction]
-fn issue_219() -> PyResult<()> {
-    let gil = Python::acquire_gil();
-    let _py = gil.python();
-    Ok(())
-}
-
 #[pyclass(extends=PyTzInfo)]
 pub struct TzClass {}
 
@@ -234,7 +227,6 @@ fn datetime(_py: Python<'_>, m: &PyModule) -> PyResult<()> {
         m.add_function(wrap_pyfunction!(get_datetime_tuple_fold, m)?)?;
     }
 
-    m.add_function(wrap_pyfunction!(issue_219, m)?)?;
     m.add_class::<TzClass>()?;
 
     Ok(())

examples/rustapi_module/src/lib.rs

@@ -1,6 +1,7 @@
 pub mod buf_and_str;
 pub mod datetime;
 pub mod dict_iter;
+pub mod misc;
 pub mod objstore;
 pub mod othermod;
 pub mod pyclass_iter;

examples/rustapi_module/src/misc.rs

@@ -0,0 +1,16 @@
+use pyo3::prelude::*;
+use pyo3::wrap_pyfunction;
+
+#[pyfunction]
+fn issue_219() -> PyResult<()> {
+    // issue 219: acquiring GIL inside #[pyfunction] deadlocks.
+    let gil = Python::acquire_gil();
+    let _py = gil.python();
+    Ok(())
+}
+
+#[pymodule]
+fn misc(_py: Python<'_>, m: &PyModule) -> PyResult<()> {
+    m.add_function(wrap_pyfunction!(issue_219, m)?)?;
+    Ok(())
+}

examples/rustapi_module/tests/test_datetime.py

@@ -293,10 +293,6 @@ def test_delta_err(args, err_type):
         rdt.make_delta(*args)
 
 
-def test_issue_219():
-    rdt.issue_219()
-
-
 def test_tz_class():
     tzi = rdt.TzClass()
 

examples/rustapi_module/tests/test_misc.py

@@ -0,0 +1,6 @@
+import rustapi_module.misc
+
+
+def test_issue_219():
+    # Should not deadlock
+    rustapi_module.misc.issue_219()