def filter_values(values, **wanted):
    """
    Return a list of desired Value objects.

    :param networks:
        list of Value dicts

    :param wanted:
        kwargs of field/value to filter on
    """
    ret = []
    for v in values:
        if all(v.get(field) == value for field, value in wanted.items()):
            ret.append(v)

    return ret