Mercurial > public > sg101
annotate custom_search/indexes.py @ 661:15dbe0ccda95
Prevent exceptions when viewing downloads in the admin when the file
doesn't exist on the filesystem. This is usually seen in development
but can also happen in production if the file is missing.
| author | Brian Neal <bgneal@gmail.com> |
|---|---|
| date | Tue, 14 May 2013 21:02:47 -0500 |
| parents | ee87ea74d46b |
| children | 858ce870c854 |
| 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) |