Object update validator fixed.

packetserver/http/routers/objects.py

@@ -8,7 +8,7 @@ import logging
 from traceback import format_exc
 import base64
 import traceback
-from pydantic import BaseModel, validator
+from pydantic import BaseModel, model_validator
 
 from packetserver.http.dependencies import get_current_http_user
 from packetserver.http.auth import HttpUser
@@ -258,15 +258,15 @@ async def create_binary_object(
 class ObjectUpdate(BaseModel):
     name: Optional[str] = None
     private: Optional[bool] = None
-    data_text: Optional[str] = None      # New: update to text content (forces binary=False)
-    data_base64: Optional[str] = None    # New: update to binary content (forces binary=True)
+    data_text: Optional[str] = None      # Update to text content → forces binary=False
+    data_base64: Optional[str] = None    # Update to binary content → forces binary=True
 
-    @validator('data_text', 'data_base64', pre=True, always=True)
-    def check_mutually_exclusive(cls, v, values, field):
-        other_field = 'data_base64' if field.name == 'data_text' else 'data_text'
-        if v is not None and values.get(other_field) is not None:
+    @model_validator(mode='before')
+    @classmethod
+    def check_mutually_exclusive_content(cls, values: dict) -> dict:
+        if values.get('data_text') is not None and values.get('data_base64') is not None:
             raise ValueError('data_text and data_base64 cannot be provided together')
-        return v
+        return values
 
 @router.patch("/objects/{uuid}", response_model=ObjectSummary)
 async def update_object(