gistfile1.py

def do_simple_search(model,fields,q,objects=None):

    if not objects:
        objects = model.objects.select_related()

    def make_subquery(fields,value):
        _q = Q()
        for fname in fields:
            _q |= Q(**{fname+'__icontains': value})
        return _q

    if q:
        searches = q.replace(', ',',').replace('| ','|').split(',')
        for search in searches:
            if search:
                sub_searches = search.split('|')
                query = Q()
                for s in sub_searches:
                    query |= make_subquery(fields,s)
                objects = objects.filter(query)