Optimize filtering of search results Now the Permission class constructor takes an optional argument 'filter'. Now if we do not find a permission on the whole class *and* all permission objects on the current class with a check method also have a filter method we can improve search performance by filtering in the database (instead of in python).

#!/usr/bin/env python

# Roundup requires Python 2.7+ as mentioned in doc\installation.txt
from __future__ import print_function
import sys

VERSION_NEEDED = (2, 7)

if sys.version_info < VERSION_NEEDED:
    print("Content-Type: text/plain\n")
    print("Roundup requires Python %s.%s or newer." % VERSION_NEEDED)
    sys.exit(0)