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import json
import sys, os
from elasticsearch import Elasticsearch
from assets.elasticsearch_template import template
def query(txt):
_query = {
"query": {"query_string": {
"query": f"{txt}",
"default_field": 'data_and_metadata',
"analyzer": 'simple',
"fuzziness": 'AUTO',
"minimum_should_match": '90%',
},
},
"highlight": {
"fields": {
"*": {
"number_of_fragments": 10,
"fragment_size": 50,
"fragmenter": "span",
"type": "unified",
"require_field_match": False,
"order": "score"
}
},
"highlight_query": {
"query_string": {
"query": f"{txt}",
"default_field": 'data_and_metadata',
"analyzer": 'my_search_analyzer',
"fuzziness": 'AUTO',
"minimum_should_match": '90%',
},
},
},
"suggest": {
"text": f"{txt}",
"suggestion": {
"phrase": {
"field": "data_and_metadata.suggest",
"size": 10,
"analyzer": "my_search_analyzer",
"direct_generator": [
{
"field": "data_and_metadata.suggest",
"suggest_mode": "missing",
"prefix_length": 1,
"min_word_length": 1
}
],
#"real_word_error_likelihood": 0.50,
#"shard_size": 1000,
"highlight": {
"pre_tag": "<b><i>",
"post_tag": "</i></b>"
}
}
}
}
}
return _query
def print_options( es_response ):
suggestions = es_response['suggest']['suggestion']
if len(suggestions) == 0:
print('No suggestions :-(')
return
for suggestion in suggestions:
for index, option in enumerate(suggestion['options']):
print(index+1, option)
return
if __name__ == '__main__':
es = Elasticsearch([os.environ['ES_ROOT_URL']], timeout=60, use_ssl=bool(int(os.environ['ES_USE_SSL'])), verify_certs=False)
template['index_patterns'] = [ 'test-suggester*' ]
template['settings']['number_of_shards'] = 1
template['settings']['number_of_replicas'] = 1
indices = ['test-suggester.1', 'test-suggester.2', 'test-suggester.3']
try:
rep = es.indices.delete_template('test-suggester')
except Exception as e:
print(e)
try:
rep = es.indices.put_template('test-suggester', template)
except Exception as e:
print(e)
for index in indices:
try:
rep = es.indices.delete(index)
except Exception as e:
print(e)
try:
rep = es.indices.create(index)
except Exception as e:
print(e)
filenames = sorted(os.listdir('data'))
for idx, filename in enumerate(filenames):
with open(os.path.join('data', filename), 'r') as fp:
doc = json.load(fp)
rep = es.index(index='test-suggester.3', body=doc, refresh='true', doc_type='_doc')
if idx < len(filenames)/2:
rep = es.index(index='test-suggester.1', body=doc, refresh='true', doc_type='_doc')
#print('here', idx)
else:
rep = es.index(index='test-suggester.2', body=doc, refresh='true', doc_type='_doc')
while True:
txt = input("Please enter your query: ")
print()
print("Query #1: against one index")
rep = es.search(index="test-suggester.3", body=query(txt))
#print( json.dumps(rep, indent=4) )
print_options(rep)
print()
print("Query #2: against two indices")
rep = es.search(index="test-suggester.1,test-suggester.2", body=query(txt))
#print( json.dumps(rep, indent=4) )
print_options(rep)
print()