def convert_unique_key(unique_key):
    """ Converts the unique key given by the file into the format we use for our unique key """
    unique_key_array = unique_key.split(':')
    unique_key = unique_key_array[2] + '_-none-_' + unique_key_array[0] + '_' + unique_key_array[1] + '_-none-_-none-'
    return unique_key