网易云对象存储的访问日志默认按小时生成一个日志文件，不利于统计当日整体数据，于是考虑将多个日志文件合并到一个文件中1.安装网易云python sdkpip install nos-python-sdk2.编辑python 脚本#!/usr/bin/evn python# -*- coding:utf-8 -*-import nos #导入sdkimport timeimport sysimport osimport reaccess_key = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"secret_key = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"bucket = "access-log"  #访问日志存储桶名date = time.strftime('%Y-%m-%d',time.localtime(time.time() - 24*60*60))prefix = 'aoshu'+dateclient = nos.Client(access_key, secret_key)def get_object_lists():    try:        object_lists = client.list_objects(bucket, prefix=prefix)        file_lists = []        for object_list in object_lists["response"].findall("Contents"):            file_lists.append(object_list.find("Key").text)            print object_list.find("Key").text        if not file_lists:            print "不存在该时间段内任何日志文件,退出程序..."            sys.exit(1)        else:            return file_lists    except nos.exceptions.ServiceException as e:        print (            "ServiceException: %s\n"            "status_code: %s\n"            "error_type: %s\n"            "error_code: %s\n"            "request_id: %s\n"            "message: %s\n"        ) % (            e,            e.status_code,               e.error_type,               e.error_code,             e.request_id,            e.message       )    except nos.exceptions.ClientException as e:        print (            "ClientException: %s\n"            "message: %s\n"         ) % (            e,            e.message         )        def save_log():    objects_lists = get_object_lists()    log_file_name = "nos.log"    with open(log_file_name,'a') as f:        for object in objects_lists:            try:                result = client.get_object(bucket,object)                f.write(result.get("body").read())            except nos.exceptions.ServiceException as e:                print (                "ServiceException: %s\n"                "status_code: %s\n"                "error_type: %s\n"                "error_code: %s\n"                "request_id: %s\n"                "message: %s\n"                 ) % (                 e,                 e.status_code,                  e.error_type,                   e.error_code,                  e.request_id,                 e.message                         )            except nos.exceptions.ClientException as e:                print (                "ClientException: %s\n"                "message: %s\n"                 ) % (                 e,                 e.message                   )    return log_file_nameif __name__=='__main__':    save_log()