Added wallpaper setter to System Automation Scripts

System-Automation-Scripts/Wallpaper Setter/README.md

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+### Wallpaper setter
+
+
+#### This script can be used to change the wallpaper on  a **Windows PC**.It takes a jpg file as input and sets it as the desktop wallpaper
+
+#### How to use this script?
+
+Go to the commant prompt and type the following :
+
+python Wallpaper.py -l "Your_jpg_file"
+
+Example :
+
+python Wallpaper.py -l awesome.jpg
+
+#### Output you get:
+
+Your desktop wallpaper gets changed
+
+#### PS: Provide absolute path if the wallpaper is in other directory than the current one. Would prefer running this script from wallpaper folder.

System-Automation-Scripts/Wallpaper Setter/wallpaper_setter.py

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+import ctypes
+import os
+import argparse
+import sys
+
+# Code to add the cli
+parser = argparse.ArgumentParser()
+parser.add_argument("-l", "--jpgfile", required=True, help="JPG File")
+args = vars(parser.parse_args())
+
+
+#Storing the absolute path of the jpg file provided by the user
+filename = args['jpgfile']
+
+# To make sure a jpg file has been provided
+if filename.endswith(".jpg"):
+
+
+
+    # Code to get the absolute path of the jpg file
+    def getabsolutepath(filename):
+        path = os.path.abspath(filename)
+        return path
+
+    #The code for setting wallpaper in SystemParametersInfoW function is 20 
+    SPI_SETDESKWALLPAPER = 20 
+
+    #Main code to change the wallpaper
+    output_from_wallpaper_change = ctypes.windll.user32.SystemParametersInfoW(SPI_SETDESKWALLPAPER, 0, getabsolutepath(filename), 0) 
+
+    if output_from_wallpaper_change == 1:
+        print("Your wallpaper has been changed successfully!!!")
+    else:
+        print("Sorry cant set this file as your wallpaper")
+else:
+    sys.exit("Enter a jpg file only please")