Django snippets

from django.utils.cache import cache
from django.http import HttpResponseForbidden

def throttle_post(func, duration=15):
    def inner(request, *args, **kwargs):
        if request.method == 'POST':
            remote_addr = request.META.get('HTTP_X_FORWARDED_FOR') or \
                          request.META.get('REMOTE_ADDR')
            key = '%s.%s' % (remote_addr, request.get_full_path())
            if cache.get(key):
                return HttpResponseForbidden('Try slowing down a little.')
            else:
                cache.set(key, 1, duration)
        return func(request, *args, **kwargs)
    return inner