Mercurial > public > sg101
annotate gpp/custom_search/indexes.py @ 479:32cec6cd8808
Refactor RateLimiter so that if Redis is not running, everything still runs normally (minus the rate limiting protection). My assumption that creating a Redis connection would throw an exception if Redis wasn't running was wrong. The exceptions actually occur when you issue a command. This is for #224.
| author | Brian Neal <bgneal@gmail.com> |
|---|---|
| date | Sun, 25 Sep 2011 00:49:05 +0000 |
| parents | 3b30286adba5 |
| children |
| rev | line source |
|---|---|
| bgneal@469 | 1 """ |
| bgneal@469 | 2 This module contains custom search indexes to tailor the Haystack search |
| bgneal@469 | 3 application to our needs. |
| bgneal@469 | 4 |
| bgneal@469 | 5 """ |
| bgneal@469 | 6 from queued_search.indexes import QueuedSearchIndex |
| bgneal@469 | 7 |
| bgneal@469 | 8 |
| bgneal@469 | 9 class CondQueuedSearchIndex(QueuedSearchIndex): |
| bgneal@469 | 10 """ |
| bgneal@469 | 11 This customized version of QueuedSearchIndex conditionally enqueues items |
| bgneal@469 | 12 to be indexed by calling the can_index() method. |
| bgneal@469 | 13 |
| bgneal@469 | 14 """ |
| bgneal@469 | 15 def can_index(self, instance): |
| bgneal@469 | 16 """ |
| bgneal@469 | 17 The default is to index all instances. Override this method to |
| bgneal@469 | 18 customize the behavior. This will be called on all update operations. |
| bgneal@469 | 19 |
| bgneal@469 | 20 """ |
| bgneal@469 | 21 return True |
| bgneal@469 | 22 |
| bgneal@469 | 23 def enqueue(self, action, instance): |
| bgneal@469 | 24 """ |
| bgneal@469 | 25 This method enqueues the instance only if the can_index() method |
| bgneal@469 | 26 returns True. |
| bgneal@469 | 27 |
| bgneal@469 | 28 """ |
| bgneal@469 | 29 if (action == 'update' and self.can_index(instance) or |
| bgneal@469 | 30 action == 'delete'): |
| bgneal@469 | 31 super(CondQueuedSearchIndex, self).enqueue(action, instance) |