SVAR data access (#1560)

SVAR access.

Co-authored-by: Prithwish Mukherjee <[email protected]>

src/ansys/fluent/core/fluent_connection.py

@@ -28,6 +28,7 @@
 from ansys.fluent.core.services.reduction import Reduction, ReductionService
 from ansys.fluent.core.services.scheme_eval import SchemeEval, SchemeEvalService
 from ansys.fluent.core.services.settings import SettingsService
+from ansys.fluent.core.services.svar import SVARData, SVARInfo, SVARService
 from ansys.fluent.core.streaming_services.datamodel_event_streaming import (
     DatamodelEvents,
 )
@@ -237,11 +238,13 @@ def __init__(
 
         self._field_data_service = FieldDataService(self._channel, self._metadata)
         self.field_info = FieldInfo(self._field_data_service)
-
         self.field_data = FieldData(
             self._field_data_service, self.field_info, _IsDataValid(self.scheme_eval)
         )
 
+        self._svar_service = SVARService(self._channel, self._metadata)
+        self.svar_info = SVARInfo(self._svar_service)
+
         self.journal = Journal(self.scheme_eval)
 
         self._cleanup_on_exit = cleanup_on_exit
@@ -266,6 +269,14 @@ def __init__(
         )
         FluentConnection._monitor_thread.cbs.append(self._finalizer)
 
+    @property
+    def svar_data(self) -> SVARData:
+        """Return the SVARData handle."""
+        try:
+            return SVARData(self._svar_service, self.svar_info)
+        except RuntimeError:
+            return None
+
     @property
     def id(self) -> str:
         """Return the session id."""

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

@@ -664,6 +664,12 @@ class _FieldDataConstants:
         FieldDataProtoModule.FieldType.FLOAT_ARRAY: np.float32,
         FieldDataProtoModule.FieldType.DOUBLE_ARRAY: np.float64,
     }
+    np_data_type_to_proto_field_type = {
+        np.int32: FieldDataProtoModule.FieldType.INT_ARRAY,
+        np.int64: FieldDataProtoModule.FieldType.LONG_ARRAY,
+        np.float32: FieldDataProtoModule.FieldType.FLOAT_ARRAY,
+        np.float64: FieldDataProtoModule.FieldType.DOUBLE_ARRAY,
+    }
     chunk_size = 256 * 1024
     bytes_stream = True
     payloadTags = {