-
Notifications
You must be signed in to change notification settings - Fork 800
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
2 changed files
with
87 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,79 @@ | ||
# -*- coding: utf-8 -*- | ||
""" | ||
Example ``Document`` with search_as_you_type field datatype and how to search it. | ||
When creating a field with search_as_you_type datatype ElasticSearch creates additional subfields to enable efficient | ||
as-you-type completion, matching terms at any position within the input. | ||
To custom analyzer with ascii folding allow search to work in different languages. | ||
""" | ||
from __future__ import print_function, unicode_literals | ||
|
||
from elasticsearch_dsl import connections, Document, analyzer, token_filter, SearchAsYouType | ||
from elasticsearch_dsl.query import MultiMatch | ||
|
||
# custom analyzer for names | ||
ascii_fold = analyzer( | ||
'ascii_fold', | ||
# we don't want to split O'Brian or Toulouse-Lautrec | ||
tokenizer='whitespace', | ||
filter=[ | ||
'lowercase', | ||
token_filter('ascii_fold', 'asciifolding') | ||
] | ||
) | ||
|
||
|
||
class Person(Document): | ||
name = SearchAsYouType(max_shingle_size=3) | ||
|
||
class Index: | ||
name = 'test-search-as-you-type' | ||
settings = { | ||
'number_of_shards': 1, | ||
'number_of_replicas': 0 | ||
} | ||
|
||
|
||
if __name__ == '__main__': | ||
# initiate the default connection to elasticsearch | ||
connections.create_connection() | ||
|
||
# create the empty index | ||
Person.init() | ||
|
||
import pprint | ||
pprint.pprint(Person().to_dict(), indent=2) | ||
|
||
# index some sample data | ||
names = [ | ||
'Andy Warhol', | ||
'Alphonse Mucha', | ||
'Henri de Toulouse-Lautrec', | ||
'Jára Cimrman', | ||
] | ||
for id, name in enumerate(names): | ||
Person(_id=id, name=name).save() | ||
|
||
# refresh index manually to make changes live | ||
Person._index.refresh() | ||
|
||
# run some suggestions | ||
for text in ('já', 'Cimr', 'toulouse', 'Henri Tou', 'a'): | ||
s = Person.search() | ||
|
||
s.query = MultiMatch( | ||
query=text, | ||
type="bool_prefix", | ||
fields=[ | ||
"name", | ||
"name._2gram", | ||
"name._3gram" | ||
] | ||
) | ||
|
||
response = s.execute() | ||
|
||
# print out all the options we got | ||
for h in response: | ||
print('%15s: %25s' % (text, h.name)) |
e881fc1
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
I love this,
Just when I was thinking of filing a feature request for the search_as_you_type-type I when saw the latest merge.
Thanks a lot!