The Python language plugin enables the use of Python in Elasticsearch scripts, via the Jython Java implementation of Python.
This plugin can be installed using the plugin manager:
sudo bin/plugin install lang-python
The plugin must be installed on every node in the cluster, and each node must be restarted after installation.
The plugin can be removed with the following command:
sudo bin/plugin remove lang-python
The node must be stopped before removing the plugin.