#!/usr/bin/python
import gconf, sys, os, string, random, mimetypes
activePath = os.getcwd() + '/.backgrounds'
dataFilePath = activePath + "/.dataFile"
class GConfClient:
        def __init__ (self):
                self.__client__ = gconf.client_get_default ()
        def get_background (self):
                return self.__client__.get_string ("/desktop/gnome/background/picture_filename")
        def set_background (self, background):
                self.__client__.set_string ("/desktop/gnome/background/picture_filename", background)
	def set_Images (self, images) :
		dataFile = file (dataFilePath, "w")
		for image in images:
		    dataFile.write (image + "\n")
		dataFile.close ()
	def get_Filenames(self):
		directoryList = []
		if os.path.exists(dataFilePath) :
			for line in file(dataFilePath) :
				directoryList.append(line[:-1])
		if len(directoryList) < 1 :
			directoryListing = os.listdir (activePath)
			for image in directoryListing:
		        	mimetype = mimetypes.guess_type (image)[0]
		       		if mimetype and mimetype.split ('/')[0] == "image":
					directoryList.append (image)
		return directoryList
	def get_Images(self):
		images = self.get_Filenames()
		return images
client = GConfClient ()
current_bg = client.get_background ()
current_images = client.get_Images()
randIndex = random.randint(0, len(current_images)-1)
client.set_background (activePath + "/" + current_images[randIndex])
current_images.remove(current_images[randIndex])
client.set_Images(current_images)