This is a fairly hacked together Elasticsearch backend for haystack which supports all versions of Elasticsearch up to 2.4.

This is strongly based on the original haystack Elasticsearch backend and essentially just patches breaking changes from Elasticsearch 2 to replicate the functionality from Elasticsearch 1.

The requirements of this project largely match those of Haystack (except you can use Elasticsearch 2).

You can find these here: http://django-haystack.readthedocs.io/en/latest/#requirements

Otherwise it will require the appropriate elasticsearch-py installation. In this case the major version must match the version of elasticsearch you are using.

In general the project supports Python 2.7 and 3.4+.

To run this engine in haystack you need to set your connections settings with the ENGINE variable as so:

HAYSTACK_CONNECTIONS = {
    'default': {
        'ENGINE': 'elasticsearch2_backend.ElasticsearchSearchEngine',
        'URL': 'http://127.0.0.1:9200/',
        'INDEX_NAME': 'haystack',
    },
}

The tests from haystack for the elasticsearch engine have been ported over. To run these make sure you have nose installed (see the test-requirements.txt file) and then run nosetests -v --with-coverage --cover-package=elasticsearch2_backend.