def parse_exposed_ports(ps):
    """
    Parse array of exposed ports (not public).

    [1000] -> { 1000: None }
    [1000-1002] -> { 1000: None, 1001: None, 1002: None }

    :return: dict
    """
    result = {}
    for p in ps:
        if '-' in p:
            # it is a range from port to port
            p1, p2 = p.split('-')
            for x in range(p1, p2 + 1):
                result[x] = None
        else:
            result[p] = None
    return result