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See PEP 328[1] for details. This feature was introduced in Python 2.5 and will become mandatory in Python 3. [1]: http://www.python.org/dev/peps/pep-0328 (imported from commit 7444eeba8a08d5f91b94c7921848f2274979bd76)
13 lines
363 B
Python
13 lines
363 B
Python
from __future__ import absolute_import
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def last_n(n, query_set):
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"""Get the last n results from a Django QuerySet, in a semi-efficient way.
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Returns a list."""
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# We don't use reversed() because we would get a generator,
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# which causes bool(last_n(...)) to be True always.
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xs = list(query_set.reverse()[:n])
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xs.reverse()
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return xs
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