modular search for Django

 Haystack provides modular search for Django. It features a unified, familiar
 API that allows you to plug in different search backends (such as Solr,
 Elasticsearch, Whoosh, Xapian, etc.) without having to modify your code.
 .
 It plays nicely with third-party app without needing to modify the source and
 supports advanced features like faceting, More Like This, highlighting, spatial
 search and spelling suggestions.