Notificador de escritorio en Python

import requests
import xml.etree.ElementTree as ET
  
# url of news rss feed
RSS_FEED_URL = "http://www.hindustantimes.com/rss/topnews/rssfeed.xml"    
  
def loadRSS():
    '''
    utility function to load RSS feed
    '''
    # create HTTP request response object
    resp = requests.get(RSS_FEED_URL)
  
    # return response content
    return resp.content
  
def parseXML(rss):
    '''
    utility function to parse XML format rss feed
    '''
    # create element tree root object
    root = ET.fromstring(rss)
  
    # create empty list for news items
    newsitems = []
  
    # iterate news items
    for item in root.findall('./channel/item'):
        news = {}
  
        # iterate child elements of item
        for child in item:
  
            # special checking for namespace object content:media
            if child.tag == '{http://search.yahoo.com/mrss/}content':
                news['media'] = child.attrib['url']
            else:
                news[child.tag] = child.text.encode('utf8')
        newsitems.append(news)
  
    # return news items list
    return newsitems
  
def topStories():
    '''
    main function to generate and return news items
    '''
    # load rss feed
    rss = loadRSS()
  
    # parse XML
    newsitems = parseXML(rss)
    return newsitems

import time
import notify2
from topnews import topStories
  
# path to notification window icon
ICON_PATH = "put full path to icon image here"
  
# fetch news items
newsitems = topStories()
  
# initialise the d-bus connection
notify2.init("News Notifier")
  
# create Notification object
n = notify2.Notification(None, icon = ICON_PATH)
  
# set urgency level
n.set_urgency(notify2.URGENCY_NORMAL)
  
# set timeout for a notification
n.set_timeout(10000)
  
for newsitem in newsitems:
  
    # update notification data for Notification object
    n.update(newsitem['title'], newsitem['description'])
  
    # show notification on screen
    n.show()
  
    # short delay between notifications
    time.sleep(15)