Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

23 lines (15 sloc) 0.51 kb
import zlib
# TODO(davedash): liberate this
def manual_order(qs, pks, pk_name='id'):
"""
Given a query set and a list of primary keys, return a set of objects from
the query set in that exact order.
"""
if not pks:
return qs.none()
objects = qs.filter(id__in=pks).extra(
select={'_manual': 'FIELD(%s, %s)'
% (pk_name, ','.join(map(str, pks)))},
order_by=['_manual'])
return objects
crc32 = lambda x: zlib.crc32(x) & 0xffffffff
Jump to Line
Something went wrong with that request. Please try again.