Also, you can use aggregate queries to get the tfidf max and min:
from django.db.models import Max, Min
Party.objects.all().aggregate(Max(tfidf'))
{'tfidf__max': 0.5 }
See https://docs.djangoproject.com/en/dev/topics/db/aggregation/#cheat-sheet
On Wednesday, 9 May 2012 01:00:18 UTC-4, Andy McKay wrote:
>
> You can hook into the model signal so that when the model changes, you
> do you calculation and change your models.
>
>
> https://docs.djangoproject.com/en/dev/ref/signals/#django.db.models.signals.post_save
>
>
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