group.py 文件源码

def print_options(events):
    """
    Print available aggregration options (headers, context, tags etc.)

    :param events: list of events from which gather attributes
    :type: list
    """
    headers = get_keys('headers', events)
    context = get_keys('context', events)
    params = get_keys('params', events)
    variables = get_keys('vars', events)
    tags = get_keys('tags', events)

    table = Table(['Headers', 'Context', 'Params', 'Vars', 'Tags'])

    map(table.add_row, izip_longest(headers, context, params, variables, tags,
                                    fillvalue=''))

    print table