mirror of
https://github.com/searxng/searxng.git
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67 lines
1.9 KiB
Python
Executable File
67 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env python
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# SPDX-License-Identifier: AGPL-3.0-or-later
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# lint: pylint
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# pylint: disable=missing-module-docstring
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"""Fetch units from :origin:`searx/engines/wikidata.py` engine.
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Output file: :origin:`searx/data/wikidata_units.json` (:origin:`CI Update data
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... <.github/workflows/data-update.yml>`).
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"""
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import json
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import collections
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# set path
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from os.path import join
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from searx import searx_dir
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from searx.engines import wikidata, set_loggers
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set_loggers(wikidata, 'wikidata')
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# the response contains duplicate ?item with the different ?symbol
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# "ORDER BY ?item DESC(?rank) ?symbol" provides a deterministic result
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# even if a ?item has different ?symbol of the same rank.
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# A deterministic result
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# see:
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# * https://www.wikidata.org/wiki/Help:Ranking
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# * https://www.mediawiki.org/wiki/Wikibase/Indexing/RDF_Dump_Format ("Statement representation" section)
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# * https://w.wiki/32BT
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# see the result for https://www.wikidata.org/wiki/Q11582
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# there are multiple symbols the same rank
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SARQL_REQUEST = """
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SELECT DISTINCT ?item ?symbol
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WHERE
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{
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?item wdt:P31/wdt:P279 wd:Q47574 .
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?item p:P5061 ?symbolP .
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?symbolP ps:P5061 ?symbol ;
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wikibase:rank ?rank .
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FILTER(LANG(?symbol) = "en").
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}
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ORDER BY ?item DESC(?rank) ?symbol
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"""
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def get_data():
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results = collections.OrderedDict()
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response = wikidata.send_wikidata_query(SARQL_REQUEST)
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for unit in response['results']['bindings']:
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name = unit['item']['value'].replace('http://www.wikidata.org/entity/', '')
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unit = unit['symbol']['value']
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if name not in results:
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# ignore duplicate: always use the first one
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results[name] = unit
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return results
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def get_wikidata_units_filename():
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return join(join(searx_dir, "data"), "wikidata_units.json")
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if __name__ == '__main__':
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with open(get_wikidata_units_filename(), 'w', encoding="utf8") as f:
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json.dump(get_data(), f, indent=4, ensure_ascii=False)
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