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I am developing a web app with django 1.2.4, but I am having a problem with the Site model. I try:
from django.contrib.sites.models import Site
...
if Site._meta.installed:
...
I am getting the error undefined variable from import: _meta in the if statement,
any help?
Unless you’ve fiddled with the django source, there really should be any problems with the
Sites._meta.installedvariable._meta.installedis assigned from within the metaclass of all models (usingcontribute_to_class()) so it would affect ALL models if the code were broken.A quick search for relevant tickets does not reveal such a problem for that version (or any other version) of django.
Are you by any chances running django via pydev? If so, perhaps this post is relevant: How do I fix PyDev "Undefined variable from import" errors?
That’s of course a wild speculation on my part. If you can post a Trackback of your error, we might be able to get a better insight into your problem.
Response to comments:
Aptana uses PyDev and so will exhibit the same problem. Here’s a possible fix taken from this blog post: