test 4

modules/socketio.py

@@ -1,16 +1,31 @@
 # extensions.py
 from flask_socketio import SocketIO
 from modules.persistence import esp_conn_infos,load_dict, save_dict
+from datetime import datetime
+
 
 socketio = SocketIO(cors_allowed_origins="*", async_mode='threading')
 
+
+def convert_datetimes(obj):
+    if isinstance(obj, dict):
+        return {k: convert_datetimes(v) for k, v in obj.items()}
+    elif isinstance(obj, list):
+        return [convert_datetimes(i) for i in obj]
+    elif isinstance(obj, datetime):
+        return obj.isoformat()
+    else:
+        return obj
+
+
 def resend_static_data():
     water = load_dict("water")
     beans = load_dict("beans")
     machine = load_dict("machine")
+    esp_info = convert_datetimes(esp_conn_infos)
     socketio.emit('static_data', {
         'water': water,
         'beans': beans,
         'machine': machine,
-        'esp_conn_infos': esp_conn_infos
+        'esp_conn_infos': esp_info
 })