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Using Akismet/TypePad AntiSpam with Django's new comments framework

Author:
sciyoshi
Posted:
August 27, 2008
Language:
Python
Version:
.96
Tags:
blog comment comments newforms newcomment akismet spam newcomments
Score:
7 (after 7 ratings)
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from django.contrib.comments.signals import comment_was_posted

def on_comment_was_posted(sender, comment, request, *args, **kwargs):
    # spam checking can be enabled/disabled per the comment's target Model
    #if comment.content_type.model_class() != Entry:
    #    return

    from django.contrib.sites.models import Site
    from django.conf import settings

    try:
        from akismet import Akismet
    except:
        return

    # use TypePad's AntiSpam if the key is specified in settings.py
    if hasattr(settings, TYPEPAD_ANTISPAM_API_KEY):
        ak = Akismet(
            key=settings.TYPEPAD_ANTISPAM_API_KEY,
            blog_url='http://%s/' % Site.objects.get(pk=settings.SITE_ID).domain
        )
        ak.baseurl = 'api.antispam.typepad.com/1.1/'
    else:
        ak = Akismet(
            key=settings.AKISMET_API_KEY,
            blog_url='http://%s/' % Site.objects.get(pk=settings.SITE_ID).domain
        )

    if ak.verify_key():
        data = {
            'user_ip': request.META.get('REMOTE_ADDR', '127.0.0.1'),
            'user_agent': request.META.get('HTTP_USER_AGENT', ''),
            'referrer': request.META.get('HTTP_REFERER', ''),
            'comment_type': 'comment',
            'comment_author': comment.user_name.encode('utf-8'),
        }

        if ak.comment_check(comment.comment.encode('utf-8'), data=data, build_data=True):
            comment.flags.create(
                user=comment.content_object.author,
                flag='spam'
            )
            comment.is_public = False
            comment.save()

comment_was_posted.connect(on_comment_was_posted)

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