python 编写服务

def __init__(self, args):
    win32serviceutil.ServiceFramework.__init__(self, args)
    self.hWaitStop = win32event.CreateEvent(None, 0, 0, None)
    self.logger = self._getLogger()
    self.path = 'D:\\WebSite'
    self.T = time.time()
    self.run = True

def _getLogger(self):
    '''日志记录'''
    logger = logging.getLogger('[PythonService]')
    this_file = inspect.getfile(inspect.currentframe())
    dirpath = os.path.abspath(os.path.dirname(this_file))
    if os.path.isdir('%s\\log'%dirpath):  #创建log文件夹
        pass
    else:
        os.mkdir('%s\\log'%dirpath)
    dir = '%s\\log' % dirpath

    handler = TimedRotatingFileHandler(os.path.join(dir, "Clearjob.log"),when="midnight",interval=1,backupCount=20)
    formatter = logging.Formatter('%(asctime)s %(name)-12s %(levelname)-8s %(message)s')
    handler.setFormatter(formatter)
    logger.addHandler(handler)
    logger.setLevel(logging.INFO)

    return logger

def SvcDoRun(self):
    self.logger.info("service is run....")
    try:
        while self.run:
            self.logger.info('---Begin---')
            for path, name, file in os.walk('D:\\Website'):
                if path == 'D:\\Website':
                    for IISname in name:
                        floder = []
                        for i in os.listdir(os.path.join(path, IISname)):
                            if i.isdigit():
                                floder.append(int(i))
                        if len(floder) == 0:
                            pass
                        elif len(floder) >= 2:  # 设置保留备份
                            floder.sort()
                            for x in floder[:(len(floder) - 2)]: 
                                self.logger.info("delete dir: %s" % os.path.join(os.path.join(path, IISname), str(x)))
                                shutil.rmtree(os.path.join(os.path.join(path, IISname), str(x)))

            self.logger.info('---End---')
            time.sleep(10)

    except Exception as e:
        self.logger.info(e)
        time.sleep(60)

def SvcStop(self):
    self.logger.info("service is stop....")
    self.ReportServiceStatus(win32service.SERVICE_STOP_PENDING)
    win32event.SetEvent(self.hWaitStop)
    self.run = False