Add class for cpgrid.

src/fmu/sumo/explorer/objects/__init__.py

@@ -10,6 +10,7 @@
 from fmu.sumo.explorer.objects.surface import Surface
 from fmu.sumo.explorer.objects.polygons import Polygons
 from fmu.sumo.explorer.objects.table import Table
+from fmu.sumo.explorer.objects.cpgrid import CPGrid
 from fmu.sumo.explorer.objects.cpgrid_property import CPGridProperty
 from fmu.sumo.explorer.objects.iteration import Iteration
 from fmu.sumo.explorer.objects.iterations import Iterations

src/fmu/sumo/explorer/objects/_search_context.py

@@ -324,6 +324,7 @@ def _to_sumo(self, obj, blob=None):
             "polygons": objects.Polygons,
             "surface": objects.Surface,
             "table": objects.Table,
+            "cpgrid": objects.CPGrid,
             "cpgrid_property": objects.CPGridProperty
         }.get(cls)
         if constructor is None:
@@ -959,6 +960,14 @@ def polygons(self):
     def dictionaries(self):
         return self._context_for_class("dictionary")
 
+    @property
+    def grids(self):
+        return self._context_for_class("cpgrid")
+
+    @property
+    def grid_properties(self):
+        return self._context_for_class("cpgrid_property")
+
     def _get_object_by_class_and_uuid(self, cls, uuid):
         obj = self.get_object(uuid)
         if obj.metadata["class"] != cls:

src/fmu/sumo/explorer/objects/cpgrid.py

@@ -0,0 +1,46 @@
+"""Module containing class for cpgrid"""
+
+from typing import Dict
+from sumo.wrapper import SumoClient
+from fmu.sumo.explorer.objects._child import Child
+
+class CPGrid(Child):
+    """Class representing a cpgrid object in Sumo."""
+
+    def __init__(self, sumo: SumoClient, metadata: Dict, blob=None) -> None:
+        """
+        Args:
+            sumo (SumoClient): connection to Sumo
+            metadata (dict): dictionary metadata
+            blob: data object
+        """
+        super().__init__(sumo, metadata, blob)
+
+    def to_cpgrid(self):
+        """Get cpgrid object as a Grid
+        Returns:
+            Grid: A Grid object
+        """
+        try:
+            from xtgeo import grid_from_file
+        except ModuleNotFoundError:
+            raise RuntimeError("Unable to import xtgeo; probably not installed.")
+        try:
+            return grid_from_file(self.blob)
+        except TypeError as err:
+            raise TypeError(f"Unknown format: {self.format}") from type_err
+
+    async def to_cpgrid_async(self):
+        """Get cpgrid object as a Grid
+        Returns:
+            Grid: A Grid object
+        """
+        try:
+            from xtgeo import grid_from_file
+        except ModuleNotFoundError:
+            raise RuntimeError("Unable to import xtgeo; probably not installed.")
+
+        try:
+            return grid_from_file(await self.blob_async)
+        except TypeError as err:
+            raise TypeError(f"Unknown format: {self.format}") from type_err