import ipaddress

import typing


def make_subnet(subnet):
    network = ipaddress.IPv4Network(subnet)
    return {
        "address": str(network.network_address),
        "with_prefix": network.with_prefixlen,
        "prefix": network.prefixlen,
        "with_netmask": network.with_netmask,
        "netmask": str(network.netmask)
    }


def polyfill_field(data, field, value):
    if isinstance(data, list):
        for item in data:
            if not field in item:
                item[field] = value
    elif isinstance(data, dict):
        for item_name in data:
            item = data[item_name]
            if not field in item:
                item[field] = value


def polyfill_deleted(data):
    polyfill_field(data, "deleted", False)