[Answered ]-An exception in a model manytomany field Django

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I’m not sure if you can do this right on the model, but if you could it would be done with F. Something like:

from django.db.models import Q, F

...

limit_choices_to=Q(userprofile__status='teacher') & ~Q(id=F('owner_id'))

You have to use Q because you can’t assert a negative with the dictionary pattern. The ~ negates the second Q and F('owner_id') is use to select the value for owner.

Like I said, though, I haven’t tried to do this myself, so I can’t say if it will work or not. You’ll just have to give it a whirl and let us know.

👤Chris Pratt

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