Update app.py

app.py

@@ -120,6 +120,49 @@ async def play(websocket, game, player, connected):
             }
             websockets.broadcast(connected, json.dumps(event))
 
+async def exe(websocket,connected):
+    """
+    Receive and process moves from a player.
+
+    """
+    async for message in websocket:
+        # Parse a "play" event from the UI.
+        event = json.loads(message)
+        assert event["type"] == "cmd"
+        # command = event["command"]
+
+        try:
+            if "command" in event:
+                # Second player joins an existing game.
+                await execute_command(websocket, event["project_name"], event["command"])
+            elif "write" in event:
+                # Spectator watches an existing game.
+                await watch(websocket, event["watch"]) #Todo
+        
+        else:
+            # First player starts a new game.
+            await start(websocket, message)
+        except RuntimeError as exc:
+            # Send an "error" event if the move was illegal.
+            await error(websocket, str(exc))
+            continue
+
+        # Send a "play" event to update the UI.
+        event = {
+            "type": "play",
+            "player": player,
+            "column": column,
+            "row": row,
+        }
+        websockets.broadcast(connected, json.dumps(event))
+
+        # If move is winning, send a "win" event.
+        if game.winner is not None:
+            event = {
+                "type": "win",
+                "player": game.winner,
+            }
+            websockets.broadcast(connected, json.dumps(event))
 
 async def start(websocket,events):
     """