I've been setting trying to set up a tumblelog using the sites
framework and the current site manager and I'm hitting a bug in either
my code or Django's not sure which.
Basically what's happening is the first time I save an object the
tumble item is created, but the site field is not populated so it will
not show up on any site.
The second time I save an object the site field is then populated and
the tumble item shows up on the appropriate site. I'm not sure what's
going on here, but it's driving me nuts. Any ideas?
from django.db import models
from django.contrib.contenttypes import generic
from django.template.loader import render_to_string
from django.db.models import signals
from django.contrib.contenttypes.models import ContentType
from django.contrib.sites.models import Site
from django.contrib.sites.managers import CurrentSiteManager
from posts.models import *
class TumbleItem(models.Model):
content_type = models.ForeignKey(ContentType)
object_id = models.PositiveIntegerField()
pub_date = models.DateTimeField()
site = models.ManyToManyField(Site)
objects = models.Manager()
on_site = CurrentSiteManager()
content_object = generic.GenericForeignKey('content_type',
'object_id')
def get_rendered_html(self):
template_name = 'tumblelog/includes/tumble_item_%s.html' %
(self.content_type.name)
return render_to_string(template_name, { 'object':
self.content_object })
def create_tumble_item(sender, instance, signal, *args, **kwargs):
# Check to see if the object was just created for the first time
if 'created' in kwargs:
if kwargs['created']:
create = True
# Get the instance's content type
ctype = ContentType.objects.get_for_model(instance)
site = instance.site
pub_date = instance.publish
if instance.status == 1:
create = False
if create:
ti, created =
TumbleItem.objects.get_or_create(content_type=ctype,
object_id=instance.id, pub_date=pub_date)
for s in site.all():
ti.site.add(s)
else:
create = True
# Get the instance's content type
ctype = ContentType.objects.get_for_model(instance)
pub_date = instance.publish
site = instance.site
if instance.status == 1:
create = False
if create:
ti, created =
TumbleItem.objects.get_or_create(content_type=ctype,
object_id=instance.id, pub_date=pub_date)
for s in site.all():
ti.site.add(s)
# Send a signal on post_save for each of these models
for Post in [Article, Audio, Video, Download, Quote, Photo, Link,
Snippet]:
models.signals.post_save.connect(create_tumble_item,
sender=Post)
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