Since you are wanting an update to really occur from an event on the server side perhaps tying it together with this socketio solution as a trigger and tie together?
[Triggering callback from within Python - Dash - Plotly Community Forum]
Since you are wanting an update to really occur from an event on the server side perhaps tying it together with this socketio solution as a trigger and tie together?
[Triggering callback from within Python - Dash - Plotly Community Forum]