fix: Fix inheritance of CodeItem for backward compatibility (#162)

* fix: Fix inheritance of CodeItem for backward compatibility

Signed-off-by: Christoph Auer <[email protected]>

* Update docs

Signed-off-by: Christoph Auer <[email protected]>

---------

Signed-off-by: Christoph Auer <[email protected]>

Author: cau-git

docling_core/types/doc/document.py

@@ -767,14 +767,12 @@ def get_image(self, doc: "DoclingDocument") -> Optional[PILImage.Image]:
         return super().get_image(doc=doc)
 
 
-class CodeItem(FloatingItem):
+class CodeItem(FloatingItem, TextItem):
     """CodeItem."""
 
     label: typing.Literal[DocItemLabel.CODE] = (
         DocItemLabel.CODE  # type: ignore[assignment]
     )
-    orig: str  # untreated representation
-    text: str  # sanitized representation
     code_language: CodeLanguageLabel = CodeLanguageLabel.UNKNOWN
 
     def export_to_document_tokens(

docs/DoclingDocument.json

@@ -208,6 +208,14 @@
           "title": "Prov",
           "type": "array"
         },
+        "orig": {
+          "title": "Orig",
+          "type": "string"
+        },
+        "text": {
+          "title": "Text",
+          "type": "string"
+        },
         "captions": {
           "default": [],
           "items": {
@@ -243,14 +251,6 @@
           ],
           "default": null
         },
-        "orig": {
-          "title": "Orig",
-          "type": "string"
-        },
-        "text": {
-          "title": "Text",
-          "type": "string"
-        },
         "code_language": {
           "$ref": "#/$defs/CodeLanguageLabel",
           "default": "unknown"