BloggerIndexGenerator.py

import urllib
from xml.etree.ElementTree import parse

URL = '''http://jameslyons0.blogspot.com.au/feeds/posts/default?max-results=9999'''

xml = parse(urllib.urlopen(URL)).getroot()
info = {}
for post in xml.getchildren():
    if post.tag=='{http://www.w3.org/2005/Atom}entry': 
        headers,title,link=[],None,None    
        for entry in post.getchildren():
            if entry.tag=='{http://www.w3.org/2005/Atom}category': 
                headers.append(entry.attrib['term'])
            if entry.tag=='{http://www.w3.org/2005/Atom}title': 
                title = entry.text
            if entry.tag=='{http://www.w3.org/2005/Atom}link': 
                link = entry.attrib['href']
        for h in headers:
            if h not in info: info[h] = [(title,link)]
            else: info[h].append((title,link))

for label in info.keys():
    print "<h2>",label,"</h2>"
    for title,link in info[label]:
        print '<a href="',link,'">',title,'</a><br />'
    print '<br />'