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[fix] url bar autocomplete (opensearch suggestions)

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Since #2593 is merged the OpenSearch-Format is buggy.  The loop in [1] will
change raw_text_query object and this will change also the value of
`raw_text_query.query` on every `raw_text_query.changeQuery(result)`.

This patch fixes this issue by storing the initial query value in `sug_prefix`.

[1] ac0fdc3b96/searx/webapp.py (L804-L806)

OpenSearch-Format::

    [ "<query>",
      [ "<term 1>", "<term 2>", ... "<term n>" ],
      [ "<content 1>", "<content 2>", ..., "<content n>" ],
      [ "<url 1>", "<url 2>", ..., "<url n>" ]
    ]

- https://www.google.com/support/enterprise/static/gsa/docs/admin/current/gsa_doc_set/xml_reference/query_suggestion.html#1080002
- https://developer.mozilla.org/en-US/docs/Archive/Add-ons/Supporting_search_suggestions_in_search_plugins#implementing_search_suggestion_support_on_the_server

Legacy-Format::

    [ "<term 1>", "<term 2>", ..., "<term n>" ]

- https://www.google.com/support/enterprise/static/gsa/docs/admin/current/gsa_doc_set/xml_reference/query_suggestion.html#1081079

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
This commit is contained in:
Markus Heiser 2021-04-03 18:18:50 +02:00
parent ac0fdc3b96
commit 169438137f
1 changed files with 17 additions and 8 deletions
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25
searx/webapp.py
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@ -785,20 +785,26 @@ def autocompleter():
# parse query
raw_text_query = RawTextQuery(request.form.get('q', ''), disabled_engines)
sug_prefix = raw_text_query.getQuery()
# normal autocompletion results only appear if no inner results returned
# and there is a query part
if len(raw_text_query.autocomplete_list) == 0 and len(raw_text_query.getQuery()) > 0:
if len(raw_text_query.autocomplete_list) == 0 and len(sug_prefix) > 0:
# get language from cookie
language = request.preferences.get_value('language')
if not language or language == 'all':
language = 'en'
else:
language = language.split('-')[0]
# run autocompletion
raw_results = search_autocomplete(request.preferences.get_value('autocomplete'),
raw_text_query.getQuery(), language)
raw_results = search_autocomplete(
request.preferences.get_value('autocomplete'), sug_prefix, language
)
for result in raw_results:
# attention: this loop will change raw_text_query object and this is
# the reason why the sug_prefix was stored before (see above)
results.append(raw_text_query.changeQuery(result).getFullQuery())
if len(raw_text_query.autocomplete_list) > 0:
@ -809,13 +815,16 @@ def autocompleter():
for answer in answers:
results.append(str(answer['answer']))
# return autocompleter results
if request.headers.get('X-Requested-With') == 'XMLHttpRequest':
return Response(json.dumps(results),
mimetype='application/json')
# the suggestion request comes from the searx search form
suggestions = json.dumps(results)
mimetype = 'application/json'
else:
# the suggestion request comes from browser's URL bar
suggestions = json.dumps([sug_prefix, results])
mimetype = 'application/x-suggestions+json'
return Response(json.dumps([raw_text_query.query, results]),
mimetype='application/x-suggestions+json')
return Response(suggestions, mimetype=mimetype)
@app.route('/preferences', methods=['GET', 'POST'])