初始化config文件

config/custom_components/nodered/utils.py

@@ -0,0 +1,20 @@
+"""Helpers for node-red."""
+
+from datetime import timedelta
+from typing import Any
+
+from homeassistant.helpers.json import JSONEncoder
+
+
+class NodeRedJSONEncoder(JSONEncoder):
+    """JSONEncoder that supports timedelta objects and falls back to the Home Assistant Encoder."""
+
+    def default(self, o: Any) -> Any:
+        """Convert timedelta objects.
+
+        Hand other objects to the Home Assistant JSONEncoder.
+        """
+        if isinstance(o, timedelta):
+            return o.total_seconds()
+
+        return JSONEncoder.default(self, o)