Raw dog parse for python bindings (#6970)

* raw dog parse python

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* add tests

Signed-off-by: Jess Frazelle <github@jessfraz.com>

---------

Signed-off-by: Jess Frazelle <github@jessfraz.com>

rust/kcl-python-bindings/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "kcl-python-bindings"
-version = "0.3.70"
+version = "0.3.71"
 edition = "2021"
 repository = "https://github.com/kittycad/modeling-app"
 exclude = ["tests/*", "files/*", "venv/*"]

rust/kcl-python-bindings/src/lib.rs

@@ -227,6 +227,31 @@ async fn new_context_state(current_file: Option<std::path::PathBuf>) -> Result<(
     Ok((ctx, state))
 }
 
+/// Parse the kcl code from a file path.
+#[pyfunction]
+async fn parse(path: String) -> PyResult<()> {
+    tokio()
+        .spawn(async move {
+            let (code, path) = get_code_and_file_path(&path)
+                .await
+                .map_err(|err| pyo3::exceptions::PyException::new_err(err.to_string()))?;
+            let _program = kcl_lib::Program::parse_no_errs(&code)
+                .map_err(|err| into_miette_for_parse(&path.display().to_string(), &code, err))?;
+
+            Ok(())
+        })
+        .await
+        .map_err(|err| pyo3::exceptions::PyException::new_err(err.to_string()))?
+}
+
+/// Parse the kcl code.
+#[pyfunction]
+fn parse_code(code: String) -> PyResult<()> {
+    let _program = kcl_lib::Program::parse_no_errs(&code).map_err(|err| into_miette_for_parse("", &code, err))?;
+
+    Ok(())
+}
+
 /// Execute the kcl code from a file path.
 #[pyfunction]
 async fn execute(path: String) -> PyResult<()> {
@@ -534,6 +559,8 @@ fn kcl(m: &Bound<'_, PyModule>) -> PyResult<()> {
     m.add_class::<Discovered>()?;
 
     // Add our functions to the module.
+    m.add_function(wrap_pyfunction!(parse, m)?)?;
+    m.add_function(wrap_pyfunction!(parse_code, m)?)?;
     m.add_function(wrap_pyfunction!(execute, m)?)?;
     m.add_function(wrap_pyfunction!(execute_code, m)?)?;
     m.add_function(wrap_pyfunction!(execute_and_snapshot, m)?)?;

rust/kcl-python-bindings/tests/tests.py

@@ -39,6 +39,33 @@ async def test_kcl_execute():
     await kcl.execute(lego_file)
 
 
+@pytest.mark.asyncio
+async def test_kcl_parse_with_exception():
+    # Read from a file.
+    try:
+        await kcl.parse(os.path.join(files_dir, "parse_file_error"))
+    except Exception as e:
+        assert e is not None
+        assert len(str(e)) > 0
+        assert "lksjndflsskjfnak;jfna##" in str(e)
+
+
+@pytest.mark.asyncio
+async def test_kcl_parse():
+    # Read from a file.
+    await kcl.parse(lego_file)
+
+
+@pytest.mark.asyncio
+async def test_kcl_parse_code():
+    # Read from a file.
+    with open(lego_file, "r") as f:
+        code = str(f.read())
+        assert code is not None
+        assert len(code) > 0
+        kcl.parse_code(code)
+
+
 @pytest.mark.asyncio
 async def test_kcl_execute_code():
     # Read from a file.
@@ -97,9 +124,7 @@ async def test_kcl_execute_and_snapshot():
 @pytest.mark.asyncio
 async def test_kcl_execute_and_snapshot_dir():
     # Read from a file.
-    image_bytes = await kcl.execute_and_snapshot(
-        car_wheel_dir, kcl.ImageFormat.Jpeg
-    )
+    image_bytes = await kcl.execute_and_snapshot(car_wheel_dir, kcl.ImageFormat.Jpeg)
     assert image_bytes is not None
     assert len(image_bytes) > 0
 
@@ -129,10 +154,12 @@ def test_kcl_format():
         assert formatted_code is not None
         assert len(formatted_code) > 0
 
+
 @pytest.mark.asyncio
 async def test_kcl_format_dir():
     await kcl.format_dir(car_wheel_dir)
 
+
 def test_kcl_lint():
     # Read from a file.
     with open(os.path.join(files_dir, "box_with_linter_errors.kcl"), "r") as f: