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Python client for Elasticsearch

Project Description

Official low-level client for Elasticsearch. Its goal is to provide common ground for all Elasticsearch-related code in Python; because of this it tries to be opinion-free and very extendable.

For a more high level client library with more limited scope, have a look at elasticsearch-dsl - a more pythonic library sitting on top of elasticsearch-py.

It provides a more convenient and idiomatic way to write and manipulate queries. It stays close to the Elasticsearch JSON DSL, mirroring its terminology and structure while exposing the whole range of the DSL from Python either directly using defined classes or a queryset-like expressions.

It also provides an optional persistence layer for working with documents as Python objects in an ORM-like fashion: defining mappings, retrieving and saving documents, wrapping the document data in user-defined classes.

Compatibility

The library is compatible with all Elasticsearch versions since 0.90.x but you have to use a matching major version:

For Elasticsearch 5.0 and later, use the major version 5 (5.x.y) of the library.

For Elasticsearch 2.0 and later, use the major version 2 (2.x.y) of the library.

For Elasticsearch 1.0 and later, use the major version 1 (1.x.y) of the library.

For Elasticsearch 0.90.x, use a version from 0.4.x releases of the library.

The recommended way to set your requirements in your setup.py or requirements.txt is:

# Elasticsearch 5.x
elasticsearch>=5.0.0,<6.0.0

# Elasticsearch 2.x
elasticsearch>=2.0.0,<3.0.0

# Elasticsearch 1.x
elasticsearch>=1.0.0,<2.0.0

# Elasticsearch 0.90.x
elasticsearch<1.0.0

The development is happening on master and 2.x branches respectively.

Installation

Install the elasticsearch package with pip:

pip install elasticsearch

Run Elasticsearch in a Container

To run elasticsearch in a container, optionally set the ES_VERSION environment evariable to either 5.4, 5.3 or 2.4. ES_VERSION is defaulted to latest. Then run ./start_elasticsearch.sh:

export ES_VERSION=5.4
./start_elasticsearch.sh

This will run a version fo Elastic Search in a Docker container suitable for running the tests. To check that elasticearch is running first wait for a healthy status in docker ps:

$ docker ps
CONTAINER ID        IMAGE                      COMMAND                  CREATED             STATUS                   PORTS                              NAMES
955e57564e53        7d2ad83f8446               "/docker-entrypoin..."   6 minutes ago       Up 6 minutes (healthy)   0.0.0.0:9200->9200/tcp, 9300/tcp   trusting_brattain

Then you can navigate to locahost:9200 in your browser.

Example use

Simple use-case:

>>> from datetime import datetime
>>> from elasticsearch import Elasticsearch

# by default we connect to localhost:9200
>>> es = Elasticsearch()

# create an index in elasticsearch, ignore status code 400 (index already exists)
>>> es.indices.create(index='my-index', ignore=400)
{u'acknowledged': True}

# datetimes will be serialized
>>> es.index(index="my-index", doc_type="test-type", id=42, body={"any": "data", "timestamp": datetime.now()})
{u'_id': u'42', u'_index': u'my-index', u'_type': u'test-type', u'_version': 1, u'ok': True}

# but not deserialized
>>> es.get(index="my-index", doc_type="test-type", id=42)['_source']
{u'any': u'data', u'timestamp': u'2013-05-12T19:45:31.804229'}

Full documentation.

Features

The client’s features include:

  • translating basic Python data types to and from json (datetimes are not decoded for performance reasons)
  • configurable automatic discovery of cluster nodes
  • persistent connections
  • load balancing (with pluggable selection strategy) across all available nodes
  • failed connection penalization (time based - failed connections won’t be retried until a timeout is reached)
  • support for ssl and http authentication
  • thread safety
  • pluggable architecture

License

Copyright 2015 Elasticsearch

Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Build status

Release History

Release History

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
elasticsearch-5.4.0-py2.py3-none-any.whl (58.7 kB) Copy SHA256 Checksum SHA256 3.6 Wheel May 18, 2017
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