Function on_message

core/tests/python/tests/test_websocket.py:40–43

(event)

        ws.send("Hello, world!")  # A message to echo.

    def on_message(event):
        messages.append(event.data)
        if len(messages) == 2:  # We're done.
            ws.close()

    def on_close(event):
        nonlocal closed_flag