Avoid a deprecation warning when running on Python 2.6. Patch from Karen Tracey.

import re

import time

import datetime

from sha import sha

from django import forms

from django.forms.util import ErrorDict

from django.conf import settings

from django.contrib.contenttypes.models import ContentType

from models import Comment

from django.utils.encoding import force_unicode

from django.utils.hashcompat import sha_constructor

from django.utils.text import get_text_list

from django.utils.translation import ngettext

from django.utils.translation import ugettext_lazy as _

    def generate_security_hash(self, content_type, object_pk, timestamp):

        """Generate a (SHA1) security hash from the provided info."""

        info = (content_type, object_pk, timestamp, settings.SECRET_KEY)

        return sha("".join(info)).hexdigest()

        return sha_constructor("".join(info)).hexdigest()