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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def port_field_data(request, with_network=False):
 """Returns a list of tuples of all ports available for the tenant. Generates a list of ports that have no device_owner based on the networks available to the tenant doing the request. :param request: django http request object :param with_network: include network name in field name :return: list of (id, name) tuples """


    def add_more_info_port_name(port, network):
        # add more info to the port for the display
        port_name = "{} ({})".format(
            port.name_or_id, ",".join(
                [ip['ip_address'] for ip in port['fixed_ips']]))
        if with_network and network:
            port_name += " - {}".format(network.name_or_id)
        return port_name

    ports = []
    if api.base.is_service_enabled(request, 'network'):
        network_list = api.neutron.network_list_for_tenant(
            request, request.user.tenant_id)
        for network in network_list:
            ports.extend(
                [(port.id, add_more_info_port_name(port, network))
                 for port in api.neutron.port_list_with_trunk_types(
                     request, network_id=network.id,
                     tenant_id=request.user.tenant_id)
                 if (not port.device_owner and
                     not isinstance(port, api.neutron.PortTrunkSubport))])
    ports.sort(key=lambda obj: obj[1])
    return ports