from __future__ import absolute_import
def last_n(n, query_set):
"""Get the last n results from a Django QuerySet, in a semi-efficient way.
Returns a list."""
# We don't use reversed() because we would get a generator,
# which causes bool(last_n(...)) to be True always.
xs = list(query_set.reverse()[:n])
xs.reverse()
return xs
