Pending Windows update and install the updates with reboot

import os

import re

import ctypes

import time

import subprocess

from subprocess import PIPE, Popen

​

a=0

def install_update():

    vbs=r'''

    var=%s

    Set updateSession = CreateObject("Microsoft.Update.Session")

    updateSession.ClientApplicationID = "MSDN Sample Script"

​

    Set updateSearcher = updateSession.CreateUpdateSearcher()

​

    WScript.Echo "Searching for updates..." & vbCRLF

​

    Set searchResult = _

    updateSearcher.Search("IsInstalled=0 and Type='Software' and IsHidden=0")

​

    WScript.Echo "List of applicable items on the machine:"

​

    For I = 0 To searchResult.Updates.Count-1

        Set update = searchResult.Updates.Item(I)

        WScript.Echo I + 1 & "> " & update.Title

    Next

​

    If searchResult.Updates.Count = 0 Then

        WScript.Echo "There are no applicable updates."

        WScript.Quit

    End If

​

    WScript.Echo vbCRLF & "Creating collection of updates to download:"

​

    Set updatesToDownload = CreateObject("Microsoft.Update.UpdateColl")

​

    For I = 0 to searchResult.Updates.Count-1

        Set update = searchResult.Updates.Item(I)

        addThisUpdate = false

        If update.InstallationBehavior.CanRequestUserInput = true Then

            WScript.Echo I + 1 & "> skipping: " & update.Title & _

            " because it requires user input"

        Else

            If update.EulaAccepted = false Then

                WScript.Echo I + 1 & "> note: " & update.Title & _

                " has a license agreement that must be accepted:"

                WScript.Echo update.EulaText

                WScript.Echo "Do you accept this license agreement? (Y/N)"

                strInput = WScript.StdIn.Readline

                WScript.Echo 

                If (strInput = "Y" or strInput = "y") Then

                    update.AcceptEula()

                    addThisUpdate = true

                Else

                    WScript.Echo I + 1 & "> skipping: " & update.Title & _

                    " because the license agreement was declined"

                End If

            Else

                addThisUpdate = true

            End If

        End If

        If addThisUpdate = true Then

            WScript.Echo I + 1 & "> adding: " & update.Title 

            updatesToDownload.Add(update)

        End If

    Next

​

    If updatesToDownload.Count = 0 Then

        WScript.Echo "All applicable updates were skipped."

        WScript.Quit

    End If

    WScript.Echo vbCRLF & "Downloading updates..."

​

    Set downloader = updateSession.CreateUpdateDownloader() 

    downloader.Updates = updatesToDownload

    downloader.Download()

​

    Set updatesToInstall = CreateObject("Microsoft.Update.UpdateColl")

​

    rebootMayBeRequired = false

​

    WScript.Echo vbCRLF & "Successfully downloaded updates:"

​

    For I = 0 To searchResult.Updates.Count-1

        set update = searchResult.Updates.Item(I)

        If update.IsDownloaded = true Then

            WScript.Echo I + 1 & "> " & update.Title 

            updatesToInstall.Add(update) 

            If update.InstallationBehavior.RebootBehavior > 0 Then

                rebootMayBeRequired = true

            End If

        End If

    Next

​

    If updatesToInstall.Count = 0 Then

        WScript.Echo "No updates were successfully downloaded."

        WScript.Quit

    End If

​

    If rebootMayBeRequired = true Then

        WScript.Echo vbCRLF & "These updates may require a reboot."

    End If

​

    WScript.Echo  vbCRLF & "installing updates now"

    strInput = "Y"

    WScript.Echo 

​

    If (strInput = "Y" or strInput = "y") Then

        var=1

        WScript.Echo "Installing updates..."

        WScript.Echo "Variable"&var

        Set installer = updateSession.CreateUpdateInstaller()

        installer.Updates = updatesToInstall

        Set installationResult = installer.Install()

        'Output results of install

        WScript.Echo "Installation Result: " & _

        installationResult.ResultCode 

        WScript.Echo "Reboot Required: " & _ 

        installationResult.RebootRequired & vbCRLF 

        WScript.Echo "Listing of updates installed " & _

        "and individual installation results:" 

        For I = 0 to updatesToInstall.Count - 1

            WScript.Echo I + 1 & "> " & _

            updatesToInstall.Item(i).Title & _

            ": " & installationResult.GetUpdateResult(i).ResultCode   

        Next

    End If

    ''' %(a)

​

    try:

        workdir=os.environ['PROGRAMDATA']+r'\temp'

        if not os.path.exists(workdir):

            os.mkdir(workdir)      

    except:

        workdir=os.environ['SYTEMDRIVE']

​

​

    script =vbs

​

    with open(workdir+r'\windowsupdate.vbs',"wb") as f :

        f.write(script)

​

​

    obj = subprocess.Popen('cscript.exe "'+workdir+'\windowsupdate.vbs"', shell = True, stdout = PIPE, stderr = PIPE)

    out, err = obj.communicate()

    print out

    p=re.findall("Variable(.*)",out)

    print p

​

    if p==['1\r']:

        print "System is restarting...."

        os.popen("shutdown -r -t 0").read()

    else:

        pass

​

    try:

        if os.path.isfile(workdir+r'\windowsupdate.vbs'):

            os.remove(workdir+r'\windowsupdate.vbs')

​

    except: 

        pass

​

install_update()

​

​

​