code: def parse(feedparser, args):
      
      entries = []
      args = irc3.utils.Config(args)
      max_date = datetime.datetime.now() - datetime.timedelta(days=2)
  
      for filename in args['filenames']:
          try:
              with open(filename + '.updated') as fd:
                  updated = fd.read().strip()
          except (OSError, IOError):
              updated = '0'
  
          feed = feedparser.parse(filename)
          for e in feed.entries:
              if e.updated <= updated:
                  # skip already sent entries
                  continue
              try:
                  updated_parsed = e.updated_parsed
              except AttributeError:
                  continue
              if datetime.datetime(*updated_parsed[:7]) < max_date:
                  # skip entries older than 2 days
                  continue
              e['filename'] = filename
              e['feed'] = args
              entries.append((e.updated, e))
          if entries:
              entries = sorted(entries, key=itemgetter(0))
              with open(filename + '.updated', 'w') as fd:
                  fd.write(str(entries[-1][0]))
      return entries
docs: parse a feed using feedparser