Implements Object Defaults

jambo/parser/float_type_parser.py

@@ -1,5 +1,7 @@
 from jambo.parser._type_parser import GenericTypeParser
-from jambo.utils.properties_builder.numeric_properties_builder import numeric_properties_builder
+from jambo.utils.properties_builder.numeric_properties_builder import (
+    numeric_properties_builder,
+)
 
 
 class FloatTypeParser(GenericTypeParser):

jambo/parser/int_type_parser.py

@@ -1,5 +1,7 @@
 from jambo.parser._type_parser import GenericTypeParser
-from jambo.utils.properties_builder.numeric_properties_builder import numeric_properties_builder
+from jambo.utils.properties_builder.numeric_properties_builder import (
+    numeric_properties_builder,
+)
 
 
 class IntTypeParser(GenericTypeParser):

jambo/parser/object_type_parser.py

@@ -10,10 +10,12 @@ class ObjectTypeParser(GenericTypeParser):
     def from_properties(name, properties):
         from jambo.schema_converter import SchemaConverter
 
-        if "default" in properties:
-            raise RuntimeError("Default values for objects are not supported.")
+        type_parsing = SchemaConverter.build_object(name, properties)
+        type_properties = {}
 
-        return (
-            SchemaConverter.build_object(name, properties),
-            {},  # The second argument is not used in this case
-        )
+        if "default" in properties:
+            type_properties["default_factory"] = lambda: type_parsing.model_validate(
+                properties["default"]
+            )
+
+        return type_parsing, type_properties

jambo/schema_converter.py

@@ -1,13 +1,11 @@
 from jambo.parser import GenericTypeParser
+from jambo.types.json_schema_type import JSONSchema
 
 from jsonschema.exceptions import SchemaError
 from jsonschema.protocols import Validator
 from pydantic import create_model
 from pydantic.fields import Field
-
-from typing import Type
-
-from jambo.types.json_schema_type import JSONSchema
+from pydantic.main import ModelT
 
 
 class SchemaConverter:
@@ -20,7 +18,7 @@ class SchemaConverter:
     """
 
     @staticmethod
-    def build(schema: JSONSchema) -> Type:
+    def build(schema: JSONSchema) -> ModelT:
         """
         Converts a JSON Schema to a Pydantic model.
         :param schema: The JSON Schema to convert.
@@ -35,7 +33,7 @@ class SchemaConverter:
     def build_object(
         name: str,
         schema: JSONSchema,
-    ) -> Type:
+    ) -> ModelT:
         """
         Converts a JSON Schema object to a Pydantic model given a name.
         :param name:
@@ -60,7 +58,7 @@ class SchemaConverter:
     @staticmethod
     def _build_model_from_properties(
         model_name: str, model_properties: dict, required_keys: list[str]
-    ) -> Type:
+    ) -> ModelT:
         properties = SchemaConverter._parse_properties(model_properties, required_keys)
 
         return create_model(model_name, **properties)