ls.py 文件源码

def grep(args):
    filter_args = dict(logGroupName=args.log_group)
    if args.log_stream:
        filter_args.update(logStreamNames=[args.log_stream])
    if args.pattern:
        filter_args.update(filterPattern=args.pattern)
    if args.start_time:
        filter_args.update(startTime=int(timestamp(args.start_time) * 1000))
    if args.end_time:
        filter_args.update(endTime=int(timestamp(args.end_time) * 1000))
    num_results = 0
    while True:
        for event in paginate(clients.logs.get_paginator("filter_log_events"), **filter_args):
            if "timestamp" not in event or "message" not in event:
                continue
            print(str(Timestamp(event["timestamp"])), event["message"])
            num_results += 1
        if args.follow:
            time.sleep(1)
        else:
            return SystemExit(os.EX_OK if num_results > 0 else os.EX_DATAERR)