Issues

def buildOrQuery(request, config):
        '''
        Builds a django.db.models.query.QOr object based on HTTP request and a
        simple config dictionary, mapping field names to filter syntax.  For
        example:
        config = {
                'bar': 'foo__bar__exact',
                'ham': 'spam__eggs__ham__icontains',
        }
        '''
        query = None # A blank query here would be v bad
        for field in config.keys():
                values = request.POST.getlist(field)
                for value in values:
                        subquery = Q(**{config[field]: value})
                        if not query:
                                query = subquery
                        else:
                                # Combine using OR:
                                query = query | subquery
        if query:
                return query
        else:
                return Q() # Blank query -- it would break things to return None