python Elasticsearchソート

sortはqueryと同級です
Elasticsearch python sort

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