def connect(serv_ip, serv_port,
            serv_ssh_username,
            serv_ssh_password,
            radio_module_ip,
            radio_module_port=2323,
            host_ip='127.0.0.1',
            host_port=10022):
    def decorator(f):
        def wrapper():
            with SSHTunnelForwarder(
                    (serv_ip, int(serv_port)),
                    ssh_username=serv_ssh_username,
                    ssh_password=serv_ssh_password,
                    remote_bind_address=(radio_module_ip, int(radio_module_port)),
                    local_bind_address=(host_ip, int(host_port)),
                    # for debugging purposes:
                    # logger=create_logger(loglevel=1),
            ):
                with TelnetClient(host_ip, int(host_port)) as telnet:
                    f(telnet)
        return wrapper
    return decorator

from server import Server

class SystemModule(object):
    def __init__(self, server, username, password, hostname):
        self.server = server
        self.hostname = hostname
        self.username = username
        self.password = password

   @connect(
       serv_ip=???,
       serv_port=???,
       serv_ssh_username=???,
       serv_ssh_password=???,
       radio_module_ip=???,
   )
   def do_some_stuff(self, connection):
       #doing stuff