Function echo_handler

src/tests/test_python_socket.py:330–333

(conn, _addr)

    """Test creating multiple sockets simultaneously."""

    def echo_handler(conn, _addr):
        data = conn.recv(1024)
        _, sport = conn.getsockname()
        conn.sendall(f"Server{sport}:{data.decode()}".encode())

    @run_in_pyodide
    def run(selenium, host1, port1, host2, port2):