Add default value for schema pointer

Author: lazebnyi

airbyte_cdk/sources/declarative/declarative_component_schema.yaml

@@ -1701,7 +1701,6 @@ definitions:
     description: (This component is experimental. Use at your own risk.) Identifies schema details for dynamic schema extraction and processing.
     type: object
     required:
-      - schema_pointer
       - key_pointer
     properties:
       type:

airbyte_cdk/sources/declarative/models/declarative_component_schema.py

@@ -657,8 +657,8 @@ class TypesMap(BaseModel):
 
 class SchemaTypeIdentifier(BaseModel):
     type: Optional[Literal["SchemaTypeIdentifier"]] = None
-    schema_pointer: List[str] = Field(
-        ...,
+    schema_pointer: Optional[List[str]] = Field(
+        [],
         description="List of nested fields defining the schema field path to extract. Defaults to [].",
         title="Schema Path",
     )

airbyte_cdk/sources/declarative/parsers/model_to_component_factory.py

@@ -1593,9 +1593,9 @@ def create_schema_type_identifier(
                     for types_pair in model.types_mapping
                 ]
             )
-        model_schema_pointer: List[Union[InterpolatedString, str]] = [
-            x for x in model.schema_pointer
-        ]
+        model_schema_pointer: List[Union[InterpolatedString, str]] = (
+            [x for x in model.schema_pointer] if model.schema_pointer else []
+        )
         model_key_pointer: List[Union[InterpolatedString, str]] = [x for x in model.key_pointer]
         model_type_pointer: Optional[List[Union[InterpolatedString, str]]] = (
             [x for x in model.type_pointer] if model.type_pointer else None

airbyte_cdk/sources/declarative/schema/dynamic_schema_loader.py

@@ -61,14 +61,16 @@ class SchemaTypeIdentifier:
     Identifies schema details for dynamic schema extraction and processing.
     """
 
-    schema_pointer: List[Union[InterpolatedString, str]]
     key_pointer: List[Union[InterpolatedString, str]]
     parameters: InitVar[Mapping[str, Any]]
     type_pointer: Optional[List[Union[InterpolatedString, str]]] = None
     types_map: Optional[List[TypesMap]] = None
+    schema_pointer: Optional[List[Union[InterpolatedString, str]]] = None
 
     def __post_init__(self, parameters: Mapping[str, Any]) -> None:
-        self.schema_pointer = self._update_pointer(self.schema_pointer, parameters)  # type: ignore[assignment]  # This is reqired field in model
+        self.schema_pointer = (
+            self._update_pointer(self.schema_pointer, parameters) if self.schema_pointer else []
+        )  # type: ignore[assignment]  # This is reqired field in model
         self.key_pointer = self._update_pointer(self.key_pointer, parameters)  # type: ignore[assignment]  # This is reqired field in model
         self.type_pointer = (
             self._update_pointer(self.type_pointer, parameters) if self.type_pointer else None
@@ -199,14 +201,14 @@ def _get_airbyte_type(field_type: str) -> Mapping[str, Any]:
     def _extract_data(
         self,
         body: Mapping[str, Any],
-        extraction_path: List[Union[InterpolatedString, str]],
+        extraction_path: Optional[List[Union[InterpolatedString, str]]] = None,
         default: Any = None,
     ) -> Any:
         """
         Extracts data from the body based on the provided extraction path.
         """
 
-        if len(extraction_path) == 0:
+        if not extraction_path:
             return body
 
         path = [