#!/usr/bin/env python

####################################
# Ubuntu APOD Background Selector        apod.py
# Alec Koumjian             akoumjian@gmail.com
# Licensed under GPL v 3.0
# 
# This script downloads the astronomy picture of the day
# (
# and makes it the background for a Gnome Desktop.
####################################

import urllib

site = urllib.urlopen('http://apod.nasa.gov/apod/')

searching = True

while searching:
	current_line = site.readline()
	if "<IMG SRC=" in current_line:
		searching = False

check_quote = 0
image_string = ''
for letter in current_line:
	if letter == '"':
		check_quote += 1
	if check_quote == 1 and letter != '"':
		image_string += letter


full_image_string = "http://apod.nasa.gov/apod/"
full_image_string += image_string

filename = 'today.jpg'
image = urllib.URLopener()
image.retrieve(full_image_string, filename)