Change desktop background colour and wallpaperStyle

#To define a particular parameter, replace the 'parameterName' inside itsm.getParameter('parameterName') with that parameter's name

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import _winreg

import os

from _winreg import *

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Key= r"Software\Microsoft\Windows\CurrentVersion\Policies\System" ## Here give the registry Key path to change the wallpaper style

Key1 =r"Control Panel\Colors"## Here give the registry Key path to change the background colour

Sub_Key= "WallpaperStyle"

Sub_Key1= "Background"

Field= _winreg.REG_SZ ##Here give the field for Background Style

Field1= _winreg.REG_SZ ##Here give the field of Background Colour

value = "3" ##Mention the value for WallpaperStyle. Here 3 is for WallpaperStyle:Fit.

value1 = "255 255 255" ##Mention the value. Here 255 255 255 is to set Background Colour as white.

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try:

    if not os.path.exists(Key):

        key = _winreg.CreateKey(HKEY_CURRENT_USER,Key)

    Registrykey= _winreg.OpenKey(HKEY_CURRENT_USER,Key, 0,KEY_WRITE)

    _winreg.SetValueEx(Registrykey,Sub_Key,0,Field,value)

    CloseKey(Registrykey)

    print "Successfully changed wallpaper style"

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    if not os.path.exists(Key1):

        key1 = _winreg.CreateKey(HKEY_CURRENT_USER,Key1)

    Registrykey1= OpenKey(HKEY_CURRENT_USER,Key1, 0,KEY_WRITE)

    _winreg.SetValueEx(Registrykey1,Sub_Key1,0,Field1,value1)

    CloseKey(Registrykey1)

    print "Successfully changed bg colour"

except WindowsError:

    print "Error"

#print "Rebooting the system to apply the changes"

#os.popen("shutdown -r -t 00")

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