我的第一个Python脚本 - 收集主机信息并存到远程数据库里

开始学习Python已有2周了。 结合工作需要，写出了我的第一个Python脚本(Windows服务)
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#!/usr/bin/env python
#coding=utf-8
#filename:HostInfo.py
import win32serviceutil , win32service , win32event , win32api
import pymssql
import os , sys , socket , traceback , pythoncom , threading
import wmi , pathutils
import time , decimal

class HostInfo(win32serviceutil.ServiceFramework, threading.Thread):
  _svc_name_         = "HostInfo"
  _svc_display_name_ = "Host Information"
  _svc_description_  = "Collect Information of Host"
  def __init__(self, args):
    win32serviceutil.ServiceFramework.__init__(self, args)
    self.hWaitStop = win32event.CreateEvent(None, 0, 0, None)
    threading.Thread.__init__(self)

  def SvcStop(self):
    self.ReportServiceStatus(win32service.SERVICE_STOP_PENDING)
    win32event.SetEvent(self.hWaitStop)

  def SvcDoRun(self):
    self.updateinfo()
    time.sleep(300)

  def writeerr(self, errinfo):
    ''' Write Error Information to log file '''
    try:
      self.filepath = pathutils.get_main_dir().replace('\\' , '\\\\') + r'\\errors.log'
      self.myfile = file(self.filepath , 'w')
      self.errlog = '::' + time.strftime('%Y-%m-%d %X') + errinfo
      self.myfile.write(self.errlog)
      self.myfile.close()
    except:
      pass
    sys.exit()

  def updateinfo(self):
    # Get FQDN , hostname
    try:
      self.myfqdn = socket.getfqdn()
      self.myhostname = socket.gethostname()
    except Exception, e:
      estr = traceback.format_exc()
      self.writeerr(estr)

    # Get members information of Local 'Administrators' user group
    try:
      pythoncom.CoInitialize()
      self.mywmi = wmi.WMI()
      self.admgrp = self.mywmi.Win32_Group(Name='Administrators')[0]
      self.myadmins = ''
      for user in self.admgrp.associators('Win32_GroupUser'):
        self.aadmin = ':' + user.Caption.encode('cp936')
        self.myadmins += self.aadmin
    except Exception, e:
      estr = traceback.format_exc()
      self.writeerr(estr)
    finally:
      pythoncom.CoUninitialize()

    # Get IP, MAC addresses
    try:
      self.cmd = "ipconfig /all"
      self.r = os.popen(self.cmd).readlines()
    except Exception, e:
      estr = traceback.format_exc()
      self.writeerr(estr)
    self.rcount = len(self.r)
    for macline in range(self.rcount):
      if self.r[macline].find('Physical Address') != -1:
        self.mymac = self.r[macline].split(':')[1].replace('\n','')
        self.myip = self.r[macline + 2].split(':')[1].replace('\n','')
        try:
          # Write information to DB
          self.conn = pymssql.connect(host='***',user='***',password='***',database='***')
          self.cur = self.conn.cursor()
          self.myquery = 'exec itisme @fqdn="%s", @hostname="%s", @ipaddr="%s", @macaddr="%s", @admins="%s"' % (self.myfqdn, self.myhostname, self.myip, self.mymac, self.myadmins)
          self.cur.execute(self.myquery)
          self.conn.commit()
          self.conn.close()
        except Exception, e:
          estr = traceback.format_exc()
          self.writeerr(estr)
         
  
if __name__=='__main__':
  win32serviceutil.HandleCommandLine(HostInfo)