tasks.py

from django.conf import settings
from django.contrib.sites.models import Site

from celery.task import Task
from celery.registry import tasks

from bitlyapi import BitLy 
from twitter import Api 

class Tweet(Task):
    def run(self, object, **kwargs):
        twitter = Api(settings.TWITTER_USER, settings.TWITTER_PASSWORD)
        bitly = BitLy(settings.BITLY_USER, settings.BITLY_API_KEY)

        site = Site.objects.get(id=settings.SITE_ID)
        domain = site.domain
        path = object.get_absolute_url()
        long_url = "http://%s%s" % (domain, path)
        bitly_result = bitly.shorten(longUrl=long_url)
        short_url = bitly_result['url']

        object_type = object._meta.verbose_name.title()
        title = object.title
        text = "New %s - %s - %s" % (object_type, title, short_url)
        msg_len = len(text)
        if msg_len > 140:
            diff = msg_len - 140
            title = title[0:-diff-3]
            title += "..." 
            text = "New %s - %s - %s" % (object_type, title, short_url)
        twitter.PostUpdate(text)

tasks.register(Tweet)

This is an example of a Django/Celery task that will tweet out a link to a new episode.

It now tweets any instance of a django model that has a title field