refac

backend/open_webui/internal/db.py

@@ -133,12 +133,6 @@ class JSONField(types.TypeDecorator):  # TEXT-backed JSON storage
         return json.loads(value) if value is not None else None
     def copy(self, **kwargs: Any) -> Self:
         return JSONField(length=self.impl.length)
-    def db_value(self, value):
-        return json.dumps(value)
-
-    def python_value(self, value):
-        if value is not None:
-            return json.loads(value)
 
 
 # Normalize SSL params from the URL once; the sync engine needs them

backend/open_webui/routers/utils.py

@@ -96,21 +96,16 @@ async def download_chat_as_pdf(form_data: ChatTitleMessagesForm, user=Depends(ge
 async def download_db(user=Depends(get_admin_user)):
     """Download the raw SQLite database file (admin-only, SQLite deployments only)."""
     if not ENABLE_ADMIN_EXPORT:
-        raise HTTPException(
+        raise HTTPException(status.HTTP_401_UNAUTHORIZED, detail=ERROR_MESSAGES.ACCESS_PROHIBITED)
-            status_code=status.HTTP_401_UNAUTHORIZED,
+
-            detail=ERROR_MESSAGES.ACCESS_PROHIBITED,
+    # Lazy import avoids circular dependency at module load time
-        )
+    from open_webui.internal.db import engine
-        # --- resolve target database engine ---
+
-    from open_webui.internal.db import engine  # lazy — avoids circular at import time
+    if engine.name != 'sqlite':
-    if engine.name != 'sqlite':  # non-SQLite backends use pg_dump / managed exports
+        raise HTTPException(status.HTTP_400_BAD_REQUEST, detail=ERROR_MESSAGES.DB_NOT_SQLITE)
-        raise HTTPException(
-            status_code=status.HTTP_400_BAD_REQUEST,
-            detail=ERROR_MESSAGES.DB_NOT_SQLITE,
-        )
 
     return FileResponse(
         str(engine.url.database),
-
         media_type='application/octet-stream',
         filename='webui.db',
     )