feat: Add units and units_quantity in FieldInfo message (#3568)

* feat: Add units and units_quantity in FieldInfo message

* feat: Add units and units_quantity in FieldInfo message

* feat: use units_quantity

pyproject.toml

@@ -40,7 +40,7 @@ packages = [
 
 [tool.poetry.dependencies]
 python = ">=3.10,<4.0"
-ansys-api-fluent = "^0.3.28"
+ansys-api-fluent = "^0.3.30"
 ansys-platform-instancemanagement = "~=1.0"
 ansys-tools-filetransfer = ">=0.1,<0.3"
 ansys-units = "^0.3.3"

src/ansys/fluent/core/post_objects/post_helper.py

@@ -2,6 +2,9 @@
 
 import re
 
+from ansys.fluent.core.solver.flunits import get_si_unit_for_fluent_quantity
+from ansys.fluent.core.utils.fluent_version import FluentVersion
+
 
 class IncompleteISOSurfaceDefinition(RuntimeError):
     """Raised when iso-surface definition is incomplete."""
@@ -131,11 +134,18 @@ def get_vector_fields(self):
 
     def get_field_unit(self, field):
         """Returns the unit of the field."""
-        quantity = self._field_unit_quantity(field)
-        if quantity == "*null*":
-            return ""
-        scheme_eval_str = f"(units/get-pretty-wb-units-from-dimension (units/inquire-dimension '{quantity}))"
-        return " ".join(self._scheme_str_to_py_list(scheme_eval_str))
+        session = self.obj.get_root().session
+        if FluentVersion(session.scheme_eval.version) < FluentVersion.v252:
+            quantity = self._field_unit_quantity(field)
+            if quantity == "*null*":
+                return ""
+            scheme_eval_str = f"(units/get-pretty-wb-units-from-dimension (units/inquire-dimension '{quantity}))"
+            return " ".join(self._scheme_str_to_py_list(scheme_eval_str))
+        else:
+            fields_info = self.field_info.get_fields_info()
+            for field_info in fields_info:
+                if field_info["solverName"] == field:
+                    return get_si_unit_for_fluent_quantity(field_info["quantity_name"])
 
     def _field_unit_quantity(self, field):
         scheme_eval_str = f"(cdr (assq 'units (%fill-render-info '{field})))"

src/ansys/fluent/core/services/field_data.py

@@ -51,6 +51,10 @@ def __init__(
             stub=FieldGrpcModule.FieldDataStub(intercept_channel), metadata=metadata
         )
 
+    def get_fields_info(self, request):
+        """GetFieldsInfo RPC of FieldData service."""
+        return self._stub.GetFieldsInfo(request, metadata=self._metadata)
+
     def get_scalar_field_range(self, request):
         """GetRange RPC of FieldData service."""
         return self._stub.GetRange(request, metadata=self._metadata)
@@ -88,6 +92,9 @@ class FieldInfo:
 
     Methods
     -------
+    get_fields_info(field: str) -> List[dict]
+        Get fields info.
+
     get_scalar_field_range(field: str, node_value: bool, surface_ids: List[int])
     -> List[float]
         Get the range (minimum and maximum values) of the field.
@@ -111,6 +118,17 @@ def __init__(
         self._service = service
         self._is_data_valid = is_data_valid
 
+    def get_fields_info(self) -> List[dict]:
+        """Get fields info.
+
+        Returns
+        -------
+        List[dict]
+        """
+        request = FieldDataProtoModule.GetFieldsInfo()
+        response = self._service.get_fields_info(request)
+        return response["fieldInfo"]
+
     def get_scalar_field_range(
         self, field: str, node_value: bool = False, surface_ids: List[int] = None
     ) -> List[float]: