Make findNearestUsers() code in soc/logic/site/id_user.py more generic and move it to soc/logic/model.py. Orginal findNearest...() functions in id_user.py are now convenience wrappers. Add typed-query string construction functions to model.py. Move getFulLClassName() from key_name.py model.py, since it has more to do with Model types than key names. Swap 'offset' and 'limit' and make 'limit' arguments non-optional. Also, stop adding 1 inside the ...ForLimitAndOffset() functions and make the callers do it (since it was being added for a very UI-specific reason of whether or not to display a "Next>" link). Patch by: Todd Larsen Review by: Pawel Solyga Review URL: http://codereviews.googleopensourceprograms.com/1401

#!/usr/bin/env python

"""
Daily cleanup job.

Can be run as a cronjob to clean out old data from the database (only expired
sessions at the moment).
"""

import datetime
from django.db import transaction
from django.contrib.sessions.models import Session

def clean_up():
    """Clean up expired sessions."""
    Session.objects.filter(expire_date__lt=datetime.datetime.now()).delete()
    transaction.commit_unless_managed()

if __name__ == "__main__":
    clean_up()