def __init__(self, connection_alias, **connection_options):
super(ElasticsearchSearchBackend, self).__init__(connection_alias, **connection_options)
# Update DEFAULT_SETTINGS with custom settings
self.DEFAULT_SETTINGS.update(**merge_dict(self.DEFAULT_SETTINGS, es_settings.INDEX_SETTINGS))
# Update FIELD_MAPPINGS with custom field mappings
FIELD_MAPPINGS.update(**merge_dict(FIELD_MAPPINGS, es_settings.FIELD_MAPPINGS))
try:
import elasticsearch
if not ((5, 0, 0) <= elasticsearch.__version__ < (6, 0, 0)):
raise ImportError
from elasticsearch.helpers import bulk, scan
except ImportError:
raise MissingDependency("The 'elasticsearch5' backend requires the \
installation of 'elasticsearch>=5.0.0,<6.0.0'. \
Please refer to the documentation.")
DEFAULT_FIELD_MAPPING = {'type': 'text', 'analyzer': 'snowball'}
FIELD_MAPPINGS.update({
'text': {
'type': 'text',
'analyzer': 'snowball'
},
'keyword': {
'type': 'keyword'
}
})
class Elasticsearch5SearchBackend(ElasticsearchSearchBackend):
def __init__(self, connection_alias, **connection_options):
super(Elasticsearch5SearchBackend,
self).__init__(connection_alias, **connection_options)
self.content_field_name = None
def clear(self, models=None, commit=True):
"""
Clears the backend of all documents/objects for a collection of models.
