Interesting approach.
Although, I don't like the "get multi" approach, too much overhead.
I personally prefer to configure an amount of time, combined with the max
hits, then do the following:
--------------------
class IPThrottleException(exception): pass
import time
MAX_INTERVAL = 180 # seconds
MAX_ATTEMPTS = 10
_t = time.time() # grab current ts
_t = int(_t / MAX_INTERVAL) # figure out which "period" we are in, based on
max interval
_ip = request.META.get('REMOTE_ADDR')
_key = "__ip_throttle__%s__%s" % (
_t,
_ip
)
_c = cache.get(_key)
if not c:
cache.set(_key, 0)
cache.incr(_key, 1)
elif _c > MAX_ATTEMPTS:
raise IPThrottleException, "Max attempts reached"
else:
cache.incr(_key, 1)
On Fri, Jul 8, 2011 at 5:53 PM, Jacob Kaplan-Moss <[email protected]>wrote:
> Hi folks --
>
> Also see http://simonwillison.net/2009/Jan/7/ratelimitcache/ for a
> discussion of a similar technique built on top of memcached.
>
> Jacob
>
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