I spend most of my day fighting with my tools. Pretty much everyone of them in one way or another.

My problem was to give update about their progress to every player and not everyone. It’s multiplayer. I haven’t thought about broadcasting progress, would have saved me half a day. In the end, turn out that flask-socketio provide an object request.namespace and it look like I can use that.

It was… frustrating.
Well, I learned a thing or two. It wasn’t that bad