remove auto-initialize PyO3 feature and use prepare_freethreaded_python (#121)

Author: joshuadavidthomas

crates/djls-project/Cargo.toml

@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-pyo3 = { workspace = true, features = ["auto-initialize"] }
+pyo3 = { workspace = true }
 tower-lsp-server = { workspace = true, features = ["proposed"] }
 
 which = "7.0.1"

crates/djls-project/src/lib.rs

@@ -587,6 +587,8 @@ mod tests {
 
             let test_env = create_test_env(vec![path1.clone(), path2.clone()]);
 
+            pyo3::prepare_freethreaded_python();
+
             Python::with_gil(|py| {
                 let initial_sys_path = get_sys_path(py)?;
                 let initial_len = initial_sys_path.len();
@@ -618,6 +620,8 @@ mod tests {
         fn test_activate_empty_sys_path() -> PyResult<()> {
             let test_env = create_test_env(vec![]);
 
+            pyo3::prepare_freethreaded_python();
+
             Python::with_gil(|py| {
                 let initial_sys_path = get_sys_path(py)?;
 
@@ -642,6 +646,8 @@ mod tests {
 
             let test_env = create_test_env(vec![path1.clone(), path2.clone()]);
 
+            pyo3::prepare_freethreaded_python();
+
             Python::with_gil(|py| {
                 let initial_sys_path = get_sys_path(py)?;
                 let initial_len = initial_sys_path.len();
@@ -689,6 +695,8 @@ mod tests {
 
             let test_env = create_test_env(vec![valid_path.clone(), non_utf8_path.clone()]);
 
+            pyo3::prepare_freethreaded_python();
+
             Python::with_gil(|py| {
                 let initial_sys_path = get_sys_path(py)?;
                 let initial_len = initial_sys_path.len();
@@ -747,6 +755,8 @@ mod tests {
 
             let test_env = create_test_env(vec![valid_path.clone(), non_utf8_path.clone()]);
 
+            pyo3::prepare_freethreaded_python();
+
             Python::with_gil(|py| {
                 let initial_sys_path = get_sys_path(py)?;
                 let initial_len = initial_sys_path.len();