Not without a little work, atleast as far as I know. A custom manger
is what you want. Then you could do something like
model.current.filter(otherstuff) or make an extra method on the
manager and chain
model.objects.is_current().filter(otherstuff)
class CustManager(models.Manager):
def is_current(self):
# build the actual filter args here
f={'from_date__lte': today,
'to_date__gte': today}
return super(CustManager,self).filter(**f)
http://www.djangoproject.com/documentation/models/custom_managers/
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