Follow up to my earlier question (http://groups.google.com/group/
django-users/browse_thread/thread/8f41540343634178/c05242e6d3b07d62)

As I mentioned there, I'm trying to use a snippet to send a twitter
update when a news item is created. The news items have a M2M
relationship with sites-- news can go on one site or both.

So I need to make sure I'm posting the news item to the correct
twitter account. Based on that earlier question, I have:

if instance.sites.filter(id=1):
   do stuff for first site
if instance.sites.filter(id=2):
   do stuff for other site
else:
   return false

This is failing to post when the news item is first created. If I re-
save the item, THEN it will post. I believe it's because
instance.sites is still an empty list at this stage (not yet been
created).

So what can I do? Is the POST info available to the signal maybe?

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