fix: from_pim ignoring non-Dimension dimensions (#4610)

Fixes #4605

---------

Co-authored-by: pyansys-ci-bot <[email protected]>

Author: Gobot1234

doc/changelog.d/4610.fixed.md

@@ -0,0 +1 @@
+From_pim ignoring non-Dimension dimensions

examples/00-fluent/catalytic_converter_workflow.py

@@ -341,7 +341,7 @@
 
 # Write mesh files
 
-meshing.tui.file.write_mesh('out/catalytic_converter.msh.h5')
+meshing.tui.file.write_mesh("out/catalytic_converter.msh.h5")
 # %%
 # Switch to Solver
 # ^^^^^^^^^^^^^^^^
@@ -542,7 +542,9 @@
 # Set iteration count and run calculation
 
 run_calculation = RunCalculation(solver_session)
-run_calculation.iter_count = 150  # Iteration count, keep it at 150 for demo purposes only
+run_calculation.iter_count = (
+    150  # Iteration count, keep it at 150 for demo purposes only
+)
 run_calculation.calculate()
 
 

src/ansys/fluent/core/launcher/pim_launcher.py

@@ -77,7 +77,7 @@ def __init__(
             FluentWindowsGraphicsDriver | FluentLinuxGraphicsDriver | str | None
         ) = None,
         product_version: FluentVersion | str | float | int | None = None,
-        dimension: Dimension | int | None = None,
+        dimension: Dimension | int = Dimension.THREE,
         precision: Precision | str | None = None,
         processor_count: int | None = None,
         start_timeout: int = 60,
@@ -251,7 +251,7 @@ def launch_remote_fluent(
     product_version: str | None = None,
     cleanup_on_exit: bool = True,
     mode: FluentMode = FluentMode.SOLVER,
-    dimensionality: str | None = None,
+    dimensionality: Dimension | int = Dimension.THREE,
     launcher_args: Dict[str, Any] | None = None,
     file_transfer_service: Any | None = None,
 ) -> Meshing | PureMeshing | Solver | SolverIcing:
@@ -336,7 +336,7 @@ def launch_remote_fluent(
 
 
 def create_fluent_instance(
-    pim, mode: FluentMode, dimensionality: str | None, product_version: str | None
+    pim, mode: FluentMode, dimensionality: Dimension | int, product_version: str | None
 ):
     """Create a Fluent instance based on mode and dimensionality."""
 

tests/test_launcher.py

@@ -473,6 +473,12 @@ def test_fluent_launchers():
         assert pim_solver_session
         pim_solver_session.exit()
 
+        pim_meshing_launcher = create_launcher(
+            LaunchMode.PIM, mode=FluentMode.MESHING, **kwargs, dimension=2, dry_run=True
+        )
+        args = pim_meshing_launcher()
+        assert args[0] == "fluent-2ddp"
+
 
 @pytest.mark.parametrize(
     "topy,journal_file_names,result,raises",