def age_range(min_age, max_age):
current = now().date()
min_date = date(current.year - min_age, current.month, current.day)
max_date = date(current.year - max_age, current.month, current.day)
return Profile.filter(birthdate__gte=max_date,
birthdate__lte=min_date).order_by("birthdate")