Change Wallpaper based on current weather condition

CurrentWeatherWall.py

import os
import pywapi
import string

'''
CurrentWeatherWall

Set you desektop wallpaper as per the current weather condition 
OS: Ubuntu {I have tested on Ubuntu 11.10}
See the import statements for Python module dependencies

Replace/substiture the following:
zipcode: zipcode of your current location
weather_conditions: images of your choice in this dictionary
[Note: The code assumes all images should be in the current directory as this py file is in]
'''

zipcode = "30005";

'''
Weather conditions list taken from : http://dennisdel.com/content/conditions.xml
Google Weather API Conditions. Compiled by Dennis Delimarsky
<!-- Last updated: March 12, 2010 -->

Dictionary of all weather conditions from Google Weather API with the corresponding wallpaper
'''
weather_conditions = {\
'partly sunny':'partlysunny.png',\
'scattered thunderstorms':'scatteredthunderstorms.png',\
'showers':'showes.png',\
'scattered showers':'scatteredshowers.png',\
'rain and snow':'rainandsnow.png',\
'overcast':'overcast.png',\
'light snow':'lightsnow.png',\
'freezing drizzle':'freezingdrizzle.png',\
'chance of rain':'chanceofrain.png',\
'sunny':'sunny.png',\
'clear':'clear.png',\
'mostly sunny':'mostlysunny.png',\
'partly cloudy':'partlycloudy.png',\
'mostly cloudy':'mostlycloudy.png',\
'chance of storm':'chanceofstorm.png',\
'rain':'rain.jpg',\
'chance of snow':'chanceofsnow.png',\
'cloudy':'cloudy.png',\
'mist':'mist.png',\
'storm':'storm.png',\
'thunderstorm':'thunderstorm.png',\
'chance of tstorm':'chanceoftstorm.png',\
'sleet':'sleet.png',\
'snow':'snow.png',\
'icy':'icy.png',\
'dust':'dust.png',\
'fog':'fog.jpg',\
'smoke':'smoke.png',\
'haze':'haze.png',\
'flurries':'flurries.png',\
'light rain':'lightrain.jpg',\
'snow showers':'snowshowers.png',\
'ice/snow':'icesnow.png',\
'windy':'windy.png',\
'scattered snow showers':'scatteredsnowshowers.png'
}

wallpaper = '';

google_result = pywapi.get_weather_from_google(zipcode)

for condition, wall in weather_conditions.iteritems():
    print condition +":" + wall
    if string.lower(condition) == string.lower(google_result['current_conditions']['condition']):
        wallpaper = wall
        break

#Not really required. These print statements are here only for debugging
print "Google says: It is " + string.lower(google_result['current_conditions']['condition']) + " and " + google_result['current_conditions']['temp_c'] + "C now in "+ google_result['forecast_information']['city']+".\n\n"
print "wallpaper is: " + wallpaper

os.system("gsettings set org.gnome.desktop.background picture-uri file://" + os.getcwd() + "//" + wallpaper)