del2atom

#!/usr/bin/env python
# encoding: utf-8

"""Grab the latest delicious.com links and turn them into an Atom feed"""

import sys, re

import feedparser
import feed2atom

USER = 'bbolli'

FEED_FMT = 'http://feeds.delicious.com/v2/rss/%s'  # ?count=50'
VIDEO_RE = re.compile(r'(?i)youtube\.com/watch\?')


class DeliciousToAtom(feed2atom.FeedToAtom):

    def __init__(self):
        self.db_file = '/var/local/del2atom.latest'
        try:
            self.latest = open(self.db_file).read()
        except (IOError, OSError):
            self.latest = '2000-01-01'
	self.new_latest = self.latest

    def __del__(self):
        if self.new_latest > self.latest:
            open(self.db_file, 'w').write(self.new_latest)

    def filter(self, entry):
	ts = feed2atom.isodate(entry.updated_parsed)
	if ts > self.latest:
            self.new_latest = max(self.new_latest, ts)
            return True

    def post_process(self, entry):
        self.entry['category':] = {'scheme': 'http://drbeat.li', 'term': 'delicious-link'}
        if entry.link.endswith('.jpg'):
            self.entry['link':] = {'rel': 'enclosure', 'type': 'image/jpg', 'href': entry.link}
        elif entry.link.endswith('.png'):
            self.entry['link':] = {'rel': 'enclosure', 'type': 'image/png', 'href': entry.link}
        elif entry.link.endswith('.mp3'):
            self.entry['link':] = {'rel': 'enclosure', 'type': 'audio/mp3', 'href': entry.link}
        elif VIDEO_RE.search(entry.link):
            self.entry['link':] = {'rel': 'enclosure', 'type': 'video/x-flash', 'href': entry.link}

    def run(self, user):
	feed = feedparser.parse(FEED_FMT % user)
        try:
            print self.convert(feed).encode('utf-8')
        except:
            import pprint
            pprint.pprint(feed)
            print
            raise

if __name__ == '__main__':
    if len(sys.argv) == 2:
        DeliciousToAtom().run(sys.argv[1])
    else:
        DeliciousToAtom().run(USER)