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https://github.com/searxng/searxng
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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
parent
1be6ab2a91
commit
46ca32c3cc
2
.github/workflows/data-update.yml
vendored
2
.github/workflows/data-update.yml
vendored
@ -41,7 +41,7 @@ jobs:
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python utils/fetch_languages.py
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python utils/fetch_ahmia_blacklist.py
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python utils/fetch_wikidata_units.py
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# python utils/fetch_currencies.py
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python utils/fetch_currencies.py
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- name: Create Pull Request
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id: cpr
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File diff suppressed because it is too large
Load Diff
@ -20,6 +20,8 @@ def name_to_iso4217(name):
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global CURRENCIES
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name = normalize_name(name)
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currency = CURRENCIES['names'].get(name, [name])
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if isinstance(currency, str):
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return currency
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return currency[0]
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@ -1,163 +1,151 @@
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# -*- coding: utf-8 -*-
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#!/usr/bin/env python
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import json
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import re
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import unicodedata
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import string
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from urllib.parse import urlencode
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from requests import get
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import json
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languages = {'de', 'en', 'es', 'fr', 'hu', 'it', 'nl', 'jp'}
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# set path
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from sys import path
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from os.path import realpath, dirname, join
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path.append(realpath(dirname(realpath(__file__)) + '/../'))
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url_template = 'https://www.wikidata.org/w/api.php?action=wbgetentities&format=json&{query}&props=labels%7Cdatatype%7Cclaims%7Caliases&languages=' + '|'.join(languages)
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url_wmflabs_template = 'http://wdq.wmflabs.org/api?q='
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url_wikidata_search_template = 'http://www.wikidata.org/w/api.php?action=query&list=search&format=json&srnamespace=0&srprop=sectiontitle&{query}'
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from searx import searx_dir, settings
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from searx.engines.wikidata import send_wikidata_query
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wmflabs_queries = [
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'CLAIM[31:8142]', # all devise
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]
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db = {
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'iso4217': {
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},
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'names': {
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}
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# ORDER BY (with all the query fields) is important to keep a deterministic result order
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# so multiple invokation of this script doesn't change currencies.json
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SARQL_REQUEST = """
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SELECT DISTINCT ?iso4217 ?unit ?unicode ?label ?alias WHERE {
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?item wdt:P498 ?iso4217; rdfs:label ?label.
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OPTIONAL { ?item skos:altLabel ?alias FILTER (LANG (?alias) = LANG(?label)). }
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OPTIONAL { ?item wdt:P5061 ?unit. }
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OPTIONAL { ?item wdt:P489 ?symbol.
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?symbol wdt:P487 ?unicode. }
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MINUS { ?item wdt:P582 ?end_data . } # Ignore monney with an end date
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MINUS { ?item wdt:P31/wdt:P279* wd:Q15893266 . } # Ignore "former entity" (obsolete currency)
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FILTER(LANG(?label) IN (%LANGUAGES_SPARQL%)).
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}
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ORDER BY ?iso4217 ?unit ?unicode ?label ?alias
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"""
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# ORDER BY (with all the query fields) is important to keep a deterministic result order
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# so multiple invokation of this script doesn't change currencies.json
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SPARQL_WIKIPEDIA_NAMES_REQUEST = """
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SELECT DISTINCT ?iso4217 ?article_name WHERE {
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?item wdt:P498 ?iso4217 .
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?article schema:about ?item ;
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schema:name ?article_name ;
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schema:isPartOf [ wikibase:wikiGroup "wikipedia" ]
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MINUS { ?item wdt:P582 ?end_data . } # Ignore monney with an end date
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MINUS { ?item wdt:P31/wdt:P279* wd:Q15893266 . } # Ignore "former entity" (obsolete currency)
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FILTER(LANG(?article_name) IN (%LANGUAGES_SPARQL%)).
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}
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ORDER BY ?iso4217 ?article_name
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"""
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def remove_accents(data):
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return unicodedata.normalize('NFKD', data).lower()
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LANGUAGES = settings['locales'].keys()
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LANGUAGES_SPARQL = ', '.join(set(map(lambda l: repr(l.split('_')[0]), LANGUAGES)))
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def normalize_name(name):
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return re.sub(' +', ' ', remove_accents(name.lower()).replace('-', ' '))
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def remove_accents(name):
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return unicodedata.normalize('NFKD', name).lower()
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def add_currency_name(name, iso4217):
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global db
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def remove_extra(name):
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for c in ('(', ':'):
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if c in name:
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name = name.split(c)[0].strip()
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return name
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def _normalize_name(name):
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name = re.sub(' +', ' ', remove_accents(name.lower()).replace('-', ' '))
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name = remove_extra(name)
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return name
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def add_currency_name(db, name, iso4217, normalize_name=True):
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db_names = db['names']
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if not isinstance(iso4217, str):
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print("problem", name, iso4217)
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return
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if normalize_name:
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name = _normalize_name(name)
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name = normalize_name(name)
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if name == '':
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print("name empty", iso4217)
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return
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iso4217_set = db_names.get(name, None)
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if iso4217_set is not None and iso4217 not in iso4217_set:
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db_names[name].append(iso4217)
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else:
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db_names[name] = [iso4217]
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iso4217_set = db_names.setdefault(name, [])
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if iso4217 not in iso4217_set:
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iso4217_set.insert(0, iso4217)
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def add_currency_label(label, iso4217, language):
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global db
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db['iso4217'][iso4217] = db['iso4217'].get(iso4217, {})
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db['iso4217'][iso4217][language] = label
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def add_currency_label(db, label, iso4217, language):
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labels = db['iso4217'].setdefault(iso4217, {})
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labels[language] = label
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def get_property_value(data, name):
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prop = data.get('claims', {}).get(name, {})
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if len(prop) == 0:
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return None
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value = prop[0].get('mainsnak', {}).get('datavalue', {}).get('value', '')
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if value == '':
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return None
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return value
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def wikidata_request_result_iterator(request):
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result = send_wikidata_query(request.replace('%LANGUAGES_SPARQL%', LANGUAGES_SPARQL))
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if result is not None:
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for r in result['results']['bindings']:
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yield r
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def parse_currency(data):
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iso4217 = get_property_value(data, 'P498')
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def fetch_db():
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db = {
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'names': {},
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'iso4217': {},
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}
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if iso4217 is not None:
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unit = get_property_value(data, 'P558')
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if unit is not None:
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add_currency_name(unit, iso4217)
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for r in wikidata_request_result_iterator(SPARQL_WIKIPEDIA_NAMES_REQUEST):
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iso4217 = r['iso4217']['value']
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article_name = r['article_name']['value']
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article_lang = r['article_name']['xml:lang']
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add_currency_name(db, article_name, iso4217)
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add_currency_label(db, article_name, iso4217, article_lang)
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labels = data.get('labels', {})
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for language in languages:
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name = labels.get(language, {}).get('value', None)
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if name is not None:
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add_currency_name(name, iso4217)
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add_currency_label(name, iso4217, language)
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for r in wikidata_request_result_iterator(SARQL_REQUEST):
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iso4217 = r['iso4217']['value']
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if 'label' in r:
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label = r['label']['value']
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label_lang = r['label']['xml:lang']
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add_currency_name(db, label, iso4217)
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add_currency_label(db, label, iso4217, label_lang)
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aliases = data.get('aliases', {})
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for language in aliases:
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for i in range(0, len(aliases[language])):
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alias = aliases[language][i].get('value', None)
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add_currency_name(alias, iso4217)
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if 'alias' in r:
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add_currency_name(db, r['alias']['value'], iso4217)
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if 'unicode' in r:
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add_currency_name(db, r['unicode']['value'], iso4217, normalize_name=False)
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if 'unit' in r:
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add_currency_name(db, r['unit']['value'], iso4217, normalize_name=False)
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# reduce memory usage:
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# replace lists with one item by the item.
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# see searx.search.processors.online_currency.name_to_iso4217
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for name in db['names']:
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if len(db['names'][name]) == 1:
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db['names'][name] = db['names'][name][0]
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return db
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def fetch_data(wikidata_ids):
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url = url_template.format(query=urlencode({'ids': '|'.join(wikidata_ids)}))
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htmlresponse = get(url)
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jsonresponse = json.loads(htmlresponse.content)
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entities = jsonresponse.get('entities', {})
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for pname in entities:
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pvalue = entities.get(pname)
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parse_currency(pvalue)
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def get_filename():
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return join(join(searx_dir, "data"), "currencies.json")
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def add_q(i):
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return "Q" + str(i)
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def main():
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#
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db = fetch_db()
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# static
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add_currency_name(db, "euro", 'EUR')
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add_currency_name(db, "euros", 'EUR')
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add_currency_name(db, "dollar", 'USD')
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add_currency_name(db, "dollars", 'USD')
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add_currency_name(db, "peso", 'MXN')
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add_currency_name(db, "pesos", 'MXN')
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with open(get_filename(), 'w', encoding='utf8') as f:
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json.dump(db, f, ensure_ascii=False, indent=4)
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def fetch_data_batch(wikidata_ids):
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while len(wikidata_ids) > 0:
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if len(wikidata_ids) > 50:
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fetch_data(wikidata_ids[0:49])
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wikidata_ids = wikidata_ids[50:]
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else:
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fetch_data(wikidata_ids)
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wikidata_ids = []
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def wdq_query(query):
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url = url_wmflabs_template + query
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htmlresponse = get(url)
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jsonresponse = json.loads(htmlresponse.content)
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qlist = list(map(add_q, jsonresponse.get('items', {})))
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error = jsonresponse.get('status', {}).get('error', None)
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if error is not None and error != 'OK':
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print("error for query '" + query + "' :" + error)
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fetch_data_batch(qlist)
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def wd_query(query, offset=0):
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qlist = []
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url = url_wikidata_search_template.format(query=urlencode({'srsearch': query, 'srlimit': 50, 'sroffset': offset}))
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htmlresponse = get(url)
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jsonresponse = json.loads(htmlresponse.content)
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for r in jsonresponse.get('query', {}).get('search', {}):
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qlist.append(r.get('title', ''))
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fetch_data_batch(qlist)
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# fetch #
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for q in wmflabs_queries:
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wdq_query(q)
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# static
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add_currency_name("euro", 'EUR')
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add_currency_name("euros", 'EUR')
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add_currency_name("dollar", 'USD')
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add_currency_name("dollars", 'USD')
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add_currency_name("peso", 'MXN')
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add_currency_name("pesos", 'MXN')
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# write
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f = open("currencies.json", "wb")
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json.dump(db, f, indent=4, encoding="utf-8")
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f.close()
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if __name__ == '__main__':
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main()
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