|
#!/usr/bin/env python
|
|
# SPDX-License-Identifier: AGPL-3.0-or-later
|
|
|
|
import re
|
|
import unicodedata
|
|
import json
|
|
|
|
# set path
|
|
from sys import path
|
|
from os.path import realpath, dirname, join
|
|
|
|
from searx import searx_dir
|
|
from searx.locales import LOCALE_NAMES
|
|
from searx.engines import wikidata, set_loggers
|
|
|
|
set_loggers(wikidata, 'wikidata')
|
|
|
|
# ORDER BY (with all the query fields) is important to keep a deterministic result order
|
|
# so multiple invokation of this script doesn't change currencies.json
|
|
SARQL_REQUEST = """
|
|
SELECT DISTINCT ?iso4217 ?unit ?unicode ?label ?alias WHERE {
|
|
?item wdt:P498 ?iso4217; rdfs:label ?label.
|
|
OPTIONAL { ?item skos:altLabel ?alias FILTER (LANG (?alias) = LANG(?label)). }
|
|
OPTIONAL { ?item wdt:P5061 ?unit. }
|
|
OPTIONAL { ?item wdt:P489 ?symbol.
|
|
?symbol wdt:P487 ?unicode. }
|
|
MINUS { ?item wdt:P582 ?end_data . } # Ignore monney with an end date
|
|
MINUS { ?item wdt:P31/wdt:P279* wd:Q15893266 . } # Ignore "former entity" (obsolete currency)
|
|
FILTER(LANG(?label) IN (%LANGUAGES_SPARQL%)).
|
|
}
|
|
ORDER BY ?iso4217 ?unit ?unicode ?label ?alias
|
|
"""
|
|
|
|
# ORDER BY (with all the query fields) is important to keep a deterministic result order
|
|
# so multiple invokation of this script doesn't change currencies.json
|
|
SPARQL_WIKIPEDIA_NAMES_REQUEST = """
|
|
SELECT DISTINCT ?iso4217 ?article_name WHERE {
|
|
?item wdt:P498 ?iso4217 .
|
|
?article schema:about ?item ;
|
|
schema:name ?article_name ;
|
|
schema:isPartOf [ wikibase:wikiGroup "wikipedia" ]
|
|
MINUS { ?item wdt:P582 ?end_data . } # Ignore monney with an end date
|
|
MINUS { ?item wdt:P31/wdt:P279* wd:Q15893266 . } # Ignore "former entity" (obsolete currency)
|
|
FILTER(LANG(?article_name) IN (%LANGUAGES_SPARQL%)).
|
|
}
|
|
ORDER BY ?iso4217 ?article_name
|
|
"""
|
|
|
|
|
|
LANGUAGES = LOCALE_NAMES.keys()
|
|
LANGUAGES_SPARQL = ', '.join(set(map(lambda l: repr(l.split('_')[0]), LANGUAGES)))
|
|
|
|
|
|
def remove_accents(name):
|
|
return unicodedata.normalize('NFKD', name).lower()
|
|
|
|
|
|
def remove_extra(name):
|
|
for c in ('(', ':'):
|
|
if c in name:
|
|
name = name.split(c)[0].strip()
|
|
return name
|
|
|
|
|
|
def _normalize_name(name):
|
|
name = re.sub(' +', ' ', remove_accents(name.lower()).replace('-', ' '))
|
|
name = remove_extra(name)
|
|
return name
|
|
|
|
|
|
def add_currency_name(db, name, iso4217, normalize_name=True):
|
|
db_names = db['names']
|
|
|
|
if normalize_name:
|
|
name = _normalize_name(name)
|
|
|
|
iso4217_set = db_names.setdefault(name, [])
|
|
if iso4217 not in iso4217_set:
|
|
iso4217_set.insert(0, iso4217)
|
|
|
|
|
|
def add_currency_label(db, label, iso4217, language):
|
|
labels = db['iso4217'].setdefault(iso4217, {})
|
|
labels[language] = label
|
|
|
|
|
|
def wikidata_request_result_iterator(request):
|
|
result = wikidata.send_wikidata_query(
|
|
request.replace('%LANGUAGES_SPARQL%', LANGUAGES_SPARQL)
|
|
)
|
|
if result is not None:
|
|
for r in result['results']['bindings']:
|
|
yield r
|
|
|
|
|
|
def fetch_db():
|
|
db = {
|
|
'names': {},
|
|
'iso4217': {},
|
|
}
|
|
|
|
for r in wikidata_request_result_iterator(SPARQL_WIKIPEDIA_NAMES_REQUEST):
|
|
iso4217 = r['iso4217']['value']
|
|
article_name = r['article_name']['value']
|
|
article_lang = r['article_name']['xml:lang']
|
|
add_currency_name(db, article_name, iso4217)
|
|
add_currency_label(db, article_name, iso4217, article_lang)
|
|
|
|
for r in wikidata_request_result_iterator(SARQL_REQUEST):
|
|
iso4217 = r['iso4217']['value']
|
|
if 'label' in r:
|
|
label = r['label']['value']
|
|
label_lang = r['label']['xml:lang']
|
|
add_currency_name(db, label, iso4217)
|
|
add_currency_label(db, label, iso4217, label_lang)
|
|
|
|
if 'alias' in r:
|
|
add_currency_name(db, r['alias']['value'], iso4217)
|
|
|
|
if 'unicode' in r:
|
|
add_currency_name(db, r['unicode']['value'], iso4217, normalize_name=False)
|
|
|
|
if 'unit' in r:
|
|
add_currency_name(db, r['unit']['value'], iso4217, normalize_name=False)
|
|
|
|
# reduce memory usage:
|
|
# replace lists with one item by the item.
|
|
# see searx.search.processors.online_currency.name_to_iso4217
|
|
for name in db['names']:
|
|
if len(db['names'][name]) == 1:
|
|
db['names'][name] = db['names'][name][0]
|
|
|
|
return db
|
|
|
|
|
|
def get_filename():
|
|
return join(join(searx_dir, "data"), "currencies.json")
|
|
|
|
|
|
def main():
|
|
#
|
|
db = fetch_db()
|
|
# static
|
|
add_currency_name(db, "euro", 'EUR')
|
|
add_currency_name(db, "euros", 'EUR')
|
|
add_currency_name(db, "dollar", 'USD')
|
|
add_currency_name(db, "dollars", 'USD')
|
|
add_currency_name(db, "peso", 'MXN')
|
|
add_currency_name(db, "pesos", 'MXN')
|
|
|
|
with open(get_filename(), 'w', encoding='utf8') as f:
|
|
json.dump(db, f, ensure_ascii=False, indent=4)
|
|
|
|
if __name__ == '__main__':
|
|
main()
|