fix: fix TypeError: Object of type 'ModelMetaclass' is not JSON seria…

…lizable

ktoolbox/model.py

@@ -1,4 +1,5 @@
-from typing import Type, Any, List, Generic, TypeVar, Union
+import json
+from typing import Type, Any, List, Generic, TypeVar, Union, Dict
 
 from pydantic import BaseModel
 
@@ -9,6 +10,11 @@
 _T = TypeVar("_T")
 
 
+def _dump_type(obj: Dict[str, Any], *args, **kwargs):
+    obj["type"] = str(obj["type"])
+    return json.dumps(obj, *args, **kwargs)
+
+
 class BaseKToolBoxData(BaseModel):
     """
     Base class for all KToolBox data models.
@@ -21,6 +27,9 @@ def __init__(self, **data: Any):
     version: str = __version__
     type: Union[Type["BaseKToolBoxData"], str] = None
 
+    class Config(BaseModel.Config):
+        json_dumps = _dump_type
+
 
 class SearchResult(BaseKToolBoxData, Generic[_T]):
     """Cli search result"""