The Python language plugin allows to have python as the language of scripts to execute.
'org.elasticsearch.plugin:lang-python:2.1.2'
<dependency>
<groupId>org.elasticsearch.plugin</groupId>
<artifactId>lang-python</artifactId>
<version>2.1.2</version>
</dependency>
<dependency org="org.elasticsearch.plugin" name="lang-python" rev="2.1.2"/>
"org.elasticsearch.plugin", "lang-python", "2.1.2"