Reconcile DataSourceDesignSpace with platform API

src/citrine/__version__.py

@@ -1 +1 @@
-__version__ = "4.2.0"
+__version__ = "4.3.0"

src/citrine/informatics/design_spaces/data_source_design_space.py

@@ -1,6 +1,7 @@
 from citrine._rest.resource import Resource
 from citrine._serialization import properties
 from citrine.informatics.data_sources import DataSource
+from citrine.informatics.descriptors import Descriptor
 from citrine.informatics.design_spaces.subspace import DesignSubspace
 
 __all__ = ['DataSourceDesignSpace']
@@ -17,10 +18,15 @@ class DataSourceDesignSpace(Resource['DataSourceDesignSpace'], DesignSubspace):
         the description of the design space
     data_source: DataSource
         the source of data for this design space
+    descriptors: list[Descriptor]
+        the descriptors that the platform derives from the data source. This is
+        populated by the platform and is read-only.
 
     """
 
     data_source = properties.Object(DataSource, 'data_source')
+    descriptors = properties.List(
+        properties.Object(Descriptor), 'descriptors', serializable=False, default=[])
 
     typ = properties.String('type', default='DataSourceDesignSpace', deserializable=False)
 

tests/informatics/test_design_spaces.py

@@ -126,11 +126,15 @@ def test_hierarchical_initialization(hierarchical_design_space):
 
 
 def test_data_source_build(valid_data_source_design_space_dict):
-    ds = DataSourceDesignSpace.build(valid_data_source_design_space_dict)
-    assert ds.name == valid_data_source_design_space_dict["name"]
-    assert ds.description == valid_data_source_design_space_dict["description"]
-    assert ds.data_source == DataSource.build(valid_data_source_design_space_dict["data_source"])
+    descriptor = RealDescriptor("x", lower_bound=0, upper_bound=1, units="")
+    data = dict(valid_data_source_design_space_dict, descriptors=[descriptor.dump()])
+    ds = DataSourceDesignSpace.build(data)
+    assert ds.name == data["name"]
+    assert ds.description == data["description"]
+    assert ds.data_source == DataSource.build(data["data_source"])
     assert str(ds) == f"<DataSourceDesignSpace '{ds.name}'>"
+    assert ds.descriptors == [descriptor]
+    assert "descriptors" not in ds.dump()
 
 
 def test_data_source_initialization(valid_data_source_design_space_dict):
@@ -142,3 +146,4 @@ def test_data_source_initialization(valid_data_source_design_space_dict):
     assert ds.name == data["name"]
     assert ds.description == data["description"]
     assert ds.data_source.dump() == data["data_source"]
+    assert ds.descriptors == []