flush data when performing backup for persistent dict

zauberzeug · Feb 7, 2025 · 0f244d0 · 0f244d0
1 parent 5b42401
commit 0f244d0
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/nicegui/persistence/file_persistent_dict.py b/nicegui/persistence/file_persistent_dict.py
@@ -36,8 +36,12 @@ def backup(self) -> None:
             self.filepath.parent.mkdir(exist_ok=True)
 
         async def backup() -> None:
-            async with aiofiles.open(self.filepath, 'w', encoding=self.encoding) as f:
-                await f.write(json.dumps(self, indent=self.indent))
+            try:
+                async with aiofiles.open(self.filepath, 'w', encoding=self.encoding) as f:
+                    await f.write(json.dumps(self, indent=self.indent))
+                    await f.flush()
+            except Exception:
+                log.exception('Error during file persistence backup')
         if core.loop:
             background_tasks.create_lazy(backup(), name=self.filepath.stem)
         else: