#!-*-coding:utf-8 -*-
import sys
import win32serviceutil 
import win32service 
import win32event
from twainscan import server 
import servicemanager
import winerror
 
class PythonService(win32serviceutil.ServiceFramework): 
    #服务名
    _svc_name_ = "PythonService"
    #服务在windows系统中显示的名称
    _svc_display_name_ = "Python Service Test"
    #服务的描述
    _svc_description_ = "This code is a Python service Test"
 
    def __init__(self, args): 
        win32serviceutil.ServiceFramework.__init__(self, args) 
        self.hWaitStop = win32event.CreateEvent(None, 0, 0, None)
 
    def SvcDoRun(self):
        # 把自己的代码放到这里，就OK
        # 等待服务被停止
        server()
        win32event.WaitForSingleObject(self.hWaitStop, win32event.INFINITE) 
            
    def SvcStop(self): 
        # 先告诉SCM停止这个过程 
        self.ReportServiceStatus(win32service.SERVICE_STOP_PENDING) 
        # 设置事件 
        win32event.SetEvent(self.hWaitStop) 
 
if __name__=='__main__': 
    if len(sys.argv) == 1:
        try:
            evtsrc_dll = os.path.abspath(servicemanager.__file__)
            servicemanager.PrepareToHostSingle(PythonService)
            servicemanager.Initialize('PythonService', evtsrc_dll)
            servicemanager.StartServiceCtrlDispatcher()
        except win32service.error, details:
            if details[0] == winerror.ERROR_FAILED_SERVICE_CONTROLLER_CONNECT:
                win32serviceutil.usage()
    else:
        win32serviceutil.HandleCommandLine(PythonService)