Python custom scripting in ElasticSearch

Question

The index has the capability of taking custom scripting in Python, but I can't find an example of custom scripting written in Python anywhere. Does anybody have an example of a working script? One with something as simple as an if-statement would be amazing.

agross · Accepted Answer · 2014-01-21 18:03:55Z

2

A simple custom scoring query using python (assuming you have the plugin installed).

{
  "sort": [
    {
      "_score": {
        "order": "desc"
      }
    }
  ],
  "query": {
    "function_score": {
      "query": {
        "match_all": {}
      },
      "script_score": {
        "lang": "python",
        "script": [
          "if _score:",
          "  _score"
        ]
      },
      "boost_mode": "replace"
    }
  },
  "track_scores": true
}

answered Jan 21, 2014 at 18:03

agross

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1 Comment

agross Over a year ago

Just the custom scoring plugin for the python language @chimpsarehungry : github.com/elasticsearch/elasticsearch-lang-python

jifeng.yin · Accepted Answer · 2014-03-21 11:03:23Z

0

Quoted from elasticsearch ML -

Luca pointed out that ES calls python with an 'eval'

PyObject ret = interp.eval((PyCode) compiledScript);

Just make sure your code pass through the eval.

edited Mar 21, 2014 at 11:03

answered Mar 21, 2014 at 10:38

jifeng.yin

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