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searxngRebrandZaclys
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[mod] update currencies.json and fetch_currencies.py 

use a sparql request on wikidata to get the list of currencies.

currencies.json contains the translation for all supported searx languages.

Supersede #993
This commit is contained in:
Alexandre Flament 2021-02-19 12:52:26 +01:00
parent 1be6ab2a91
commit 46ca32c3cc
4 changed files with 15044 additions and 7774 deletions
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2
.github/workflows/data-update.yml vendored
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@ -41,7 +41,7 @@ jobs:
python utils/fetch_languages.py python utils/fetch_languages.py
python utils/fetch_ahmia_blacklist.py python utils/fetch_ahmia_blacklist.py
python utils/fetch_wikidata_units.py python utils/fetch_wikidata_units.py
# python utils/fetch_currencies.py python utils/fetch_currencies.py
- name: Create Pull Request - name: Create Pull Request
id: cpr id: cpr

22362
searx/data/currencies.json
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File diff suppressed because it is too large Load Diff

2
searx/search/processors/online_currency.py
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@ -20,6 +20,8 @@ def name_to_iso4217(name):
global CURRENCIES global CURRENCIES
name = normalize_name(name) name = normalize_name(name)
currency = CURRENCIES['names'].get(name, [name]) currency = CURRENCIES['names'].get(name, [name])
if isinstance(currency, str):
return currency
return currency[0] return currency[0]

246
utils/fetch_currencies.py
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@ -1,163 +1,151 @@
# -*- coding: utf-8 -*- #!/usr/bin/env python
import json
import re import re
import unicodedata import unicodedata
import string import json
from urllib.parse import urlencode
from requests import get
languages = {'de', 'en', 'es', 'fr', 'hu', 'it', 'nl', 'jp'} # set path
from sys import path
from os.path import realpath, dirname, join
path.append(realpath(dirname(realpath(__file__)) + '/../'))
url_template = 'https://www.wikidata.org/w/api.php?action=wbgetentities&format=json&{query}&props=labels%7Cdatatype%7Cclaims%7Caliases&languages=' + '|'.join(languages) from searx import searx_dir, settings
url_wmflabs_template = 'http://wdq.wmflabs.org/api?q=' from searx.engines.wikidata import send_wikidata_query
url_wikidata_search_template = 'http://www.wikidata.org/w/api.php?action=query&list=search&format=json&srnamespace=0&srprop=sectiontitle&{query}'
wmflabs_queries = [
'CLAIM[31:8142]', # all devise
]
db = { # ORDER BY (with all the query fields) is important to keep a deterministic result order
'iso4217': { # so multiple invokation of this script doesn't change currencies.json
}, SARQL_REQUEST = """
'names': { 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
"""
def remove_accents(data): LANGUAGES = settings['locales'].keys()
return unicodedata.normalize('NFKD', data).lower() LANGUAGES_SPARQL = ', '.join(set(map(lambda l: repr(l.split('_')[0]), LANGUAGES)))
def normalize_name(name): def remove_accents(name):
return re.sub(' +', ' ', remove_accents(name.lower()).replace('-', ' ')) return unicodedata.normalize('NFKD', name).lower()
def add_currency_name(name, iso4217): def remove_extra(name):
global db 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'] db_names = db['names']
if not isinstance(iso4217, str): if normalize_name:
print("problem", name, iso4217) name = _normalize_name(name)
return
name = normalize_name(name) iso4217_set = db_names.setdefault(name, [])
if iso4217 not in iso4217_set:
if name == '': iso4217_set.insert(0, iso4217)
print("name empty", iso4217)
return
iso4217_set = db_names.get(name, None)
if iso4217_set is not None and iso4217 not in iso4217_set:
db_names[name].append(iso4217)
else:
db_names[name] = [iso4217]
def add_currency_label(label, iso4217, language): def add_currency_label(db, label, iso4217, language):
global db labels = db['iso4217'].setdefault(iso4217, {})
labels[language] = label
db['iso4217'][iso4217] = db['iso4217'].get(iso4217, {})
db['iso4217'][iso4217][language] = label
def get_property_value(data, name): def wikidata_request_result_iterator(request):
prop = data.get('claims', {}).get(name, {}) result = send_wikidata_query(request.replace('%LANGUAGES_SPARQL%', LANGUAGES_SPARQL))
if len(prop) == 0: if result is not None:
return None for r in result['results']['bindings']:
yield r
value = prop[0].get('mainsnak', {}).get('datavalue', {}).get('value', '')
if value == '':
return None
return value
def parse_currency(data): def fetch_db():
iso4217 = get_property_value(data, 'P498') db = {
'names': {},
'iso4217': {},
}
if iso4217 is not None: for r in wikidata_request_result_iterator(SPARQL_WIKIPEDIA_NAMES_REQUEST):
unit = get_property_value(data, 'P558') iso4217 = r['iso4217']['value']
if unit is not None: article_name = r['article_name']['value']
add_currency_name(unit, iso4217) article_lang = r['article_name']['xml:lang']
add_currency_name(db, article_name, iso4217)
add_currency_label(db, article_name, iso4217, article_lang)
labels = data.get('labels', {}) for r in wikidata_request_result_iterator(SARQL_REQUEST):
for language in languages: iso4217 = r['iso4217']['value']
name = labels.get(language, {}).get('value', None) if 'label' in r:
if name is not None: label = r['label']['value']
add_currency_name(name, iso4217) label_lang = r['label']['xml:lang']
add_currency_label(name, iso4217, language) add_currency_name(db, label, iso4217)
add_currency_label(db, label, iso4217, label_lang)
aliases = data.get('aliases', {}) if 'alias' in r:
for language in aliases: add_currency_name(db, r['alias']['value'], iso4217)
for i in range(0, len(aliases[language])):
alias = aliases[language][i].get('value', None) if 'unicode' in r:
add_currency_name(alias, iso4217) 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 fetch_data(wikidata_ids): def get_filename():
url = url_template.format(query=urlencode({'ids': '|'.join(wikidata_ids)})) return join(join(searx_dir, "data"), "currencies.json")
htmlresponse = get(url)
jsonresponse = json.loads(htmlresponse.content)
entities = jsonresponse.get('entities', {})
for pname in entities:
pvalue = entities.get(pname)
parse_currency(pvalue)
def add_q(i): def main():
return "Q" + str(i) #
db = fetch_db()
def fetch_data_batch(wikidata_ids):
while len(wikidata_ids) > 0:
if len(wikidata_ids) > 50:
fetch_data(wikidata_ids[0:49])
wikidata_ids = wikidata_ids[50:]
else:
fetch_data(wikidata_ids)
wikidata_ids = []
def wdq_query(query):
url = url_wmflabs_template + query
htmlresponse = get(url)
jsonresponse = json.loads(htmlresponse.content)
qlist = list(map(add_q, jsonresponse.get('items', {})))
error = jsonresponse.get('status', {}).get('error', None)
if error is not None and error != 'OK':
print("error for query '" + query + "' :" + error)
fetch_data_batch(qlist)
def wd_query(query, offset=0):
qlist = []
url = url_wikidata_search_template.format(query=urlencode({'srsearch': query, 'srlimit': 50, 'sroffset': offset}))
htmlresponse = get(url)
jsonresponse = json.loads(htmlresponse.content)
for r in jsonresponse.get('query', {}).get('search', {}):
qlist.append(r.get('title', ''))
fetch_data_batch(qlist)
# fetch #
for q in wmflabs_queries:
wdq_query(q)
# static # static
add_currency_name("euro", 'EUR') add_currency_name(db, "euro", 'EUR')
add_currency_name("euros", 'EUR') add_currency_name(db, "euros", 'EUR')
add_currency_name("dollar", 'USD') add_currency_name(db, "dollar", 'USD')
add_currency_name("dollars", 'USD') add_currency_name(db, "dollars", 'USD')
add_currency_name("peso", 'MXN') add_currency_name(db, "peso", 'MXN')
add_currency_name("pesos", 'MXN') add_currency_name(db, "pesos", 'MXN')
# write with open(get_filename(), 'w', encoding='utf8') as f:
f = open("currencies.json", "wb") json.dump(db, f, ensure_ascii=False, indent=4)
json.dump(db, f, indent=4, encoding="utf-8")
f.close() if __name__ == '__main__':
main()