Hinweis

• Dies ist nur ein einfaches Grundgerüst für einen RSS-Reader.
• Dieses Grundgerüst ist (noch) nicht für den produktiven Einsatz ausgelegt.
  

#!/usr/bin/env python
# -*- coding: utf8 -*-

import urllib2
import xml.dom.minidom as dom
from email.utils import parsedate
from time import strftime

print "Content-type: text/html\n\n"

class rssFeed(object):

    __slots__ = ("__url", "__items")

    def __init__(self, url):
        self.__url = url
        self.__items = []

    def __del__(self):
        pass

    def __getNodeText(self, node):
        text = ''

        # Nur wenn es kein leerer Knoten ist
        # (Beispiel: <link></link>, <link/>)
        if node.hasChildNodes() == True:
            return node.firstChild.data.strip().encode('utf8')

        return text

    def loadItems(self):
        f = urllib2.urlopen(self.__url)
        content = f.read()
        xml = dom.parseString(content)
        itemNodes = xml.getElementsByTagName('item')

        for item in itemNodes:
            title = ''          # Knoten <title> ist optional für <item>
            description = ''    # Knoten <description> ist optional für <item>
            link = ''           # Knoten <link> ist optional für <item>
            pubDate = ''        # Knoten <pubDate> ist optional für <item>
            for node in item.childNodes:
                if node.nodeName == "title":
                    title = self.__getNodeText(node)
                elif node.nodeName == "description":
                    description = self.__getNodeText(node)
                elif node.nodeName == "link":
                    link = self.__getNodeText(node)
                elif node.nodeName == "pubDate":
                    pubDate = self.__getNodeText(node)
                    pubDate = parsedate(pubDate) # Tuple
                    pubDate = strftime("%d.%m.%Y %H:%M:%S", pubDate)

            obj = rssFeedItem(title, description, link, pubDate)
            self.__items.append(obj)

    # Setter

    def __setUrl(self, url):
        self.__url = url
        
    # Getter
    
    def __getUrl(self):
        return self.__url

    def __getItems(self):
        return self.__items

    url = property(__getUrl, __setUrl)
    items = property(__getItems)

class rssFeedItem(object):

    __slots__ = ("__title", "__description", "__link", "__pubDate")

    def __init__(self, title, description, link, pubDate):
        self.__title = title
        self.__description = description
        self.__link = link
        self.__pubDate = pubDate

    def __del__(self):
        pass

    # Setter
    
    def __setTitle(self, title):
        self.__title = title

    def __setDescription(self, description):
        self.__description = description
        
    def __setLink(self, link):
        self.__link = link

    def __setPubDate(self, pubDate):
        self.__pubDate = pubDate

    # Getter

    def __getTitle(self):
        return self.__title

    def __getDescription(self):
        return self.__description

    def __getLink(self):
        return self.__link

    def __getPubDate(self):
        return self.__pubDate

    title = property(__getTitle, __setTitle)
    description = property(__getDescription, __setDescription)
    link = property(__getLink, __setLink)
    pubDate = property(__getPubDate, __setPubDate)

# Beispiel-RSS-Feed:
#url = 'http://jiw-qhbq8.blogspot.com/feeds/posts/default?alt=rss'
#url = 'http://www.mac-devedge.de/Links/Magazine/rss2.xml'
#url = 'http://www.global-talk.org/external.php?type=RSS2'
#url = 'http://www.3sat.de/neues/podcast/neues_feed.xml'
#url = 'http://www.all-okay.de/?feed=rss2'
#url = 'http://www.avm.de/de/Extern/RSS/rss.xml'
url = 'http://www.spiegel.de/schlagzeilen/tops/index.rss'
#url = 'http://www.webedition.de/de/Presse/Pressemeldungen/rss2.xml'
#url = 'http://www.heute.de/ZDFheute/inhalt/rss/20/0,6704,20,00.xml'

rssFeed1 = rssFeed(url)
rssFeed1.loadItems()

out = ''
out += '<ul>'
for item in rssFeed1.items:
    out += '<li>'
    if item.link != '':
        out += '<a href="' + item.link + '" target="_blank">'
    out += item.title
    if item.link != '':
        out += '</a>'
    if item.pubDate != '':
        out += '<br>'
        out += '<small>' + item.pubDate + ' Uhr</small>'
    out += '<br><br>'
    out += item.description
    out += '<br><br>'
    out += '</li>'
out += '</ul>'

print out