mapcomplete/scripts/fetchLanguages.ts

85 lines
No EOL
2.8 KiB
TypeScript

/**
* Fetches all 'modern languages' from wikidata, then exports their names in every language
*/
import * as wds from "wikidata-sdk"
import {Utils} from "../Utils";
import ScriptUtils from "./ScriptUtils";
import {existsSync, readFileSync, writeFileSync} from "fs";
import * as knownLanguages from "../assets/generated/used_languages.json"
async function fetch(target: string) {
ScriptUtils.fixUtils()
console.log("Fetching languages")
const sparql = 'SELECT ?lang ?label ?code \n' +
'WHERE \n' +
'{ \n' +
' ?lang wdt:P31 wd:Q1288568. \n' + // language instanceOf (p31) modern language(Q1288568)
' ?lang rdfs:label ?label. \n' +
' ?lang wdt:P424 ?code' + // Wikimedia language code seems to be close to the weblate entries
'} '
const url = wds.sparqlQuery(sparql)
// request the generated URL with your favorite HTTP request library
const result = await Utils.downloadJson(url, {"User-Agent": "MapComplete script"})
writeFileSync(target, JSON.stringify(result.results.bindings))
console.log("Written to "+target)
}
function extract(data){
console.log("Got "+data.length+" entries")
const perId = new Map<string, Map<string, string>>();
for (const element of data) {
//const id = element.lang.value.substring(prefixL)
const id = element.code.value
const labelLang = element.label["xml:lang"]
const value = element.label.value
if(!perId.has(id)){
perId.set(id, new Map<string, string>())
}
perId.get(id).set(labelLang, value)
}
console.log("Got "+perId.size+" languages")
return perId
}
function getNativeList(langs: Map<string, Map<string, string>>){
const native = {}
langs.forEach((translations, key ) =>{
native[key] = translations.get(key)
})
return native
}
function getTranslationsIn(targetLanguage: string, perId: Map<string, Map<string, string>>, whitelist = undefined){
const langs = {}
perId.forEach((translations, langCode) => {
if(whitelist !== undefined && whitelist.indexOf(langCode) < 0){
return
}
langs[langCode] = translations.get(targetLanguage)
})
return langs;
}
function main(wipeCache = false){
const cacheFile = "./assets/generated/languages-wd.json"
if(wipeCache || !existsSync(cacheFile)){
// await fetch(cacheFile);
}else{
console.log("Reusing the cached file")
}
const data = JSON.parse(readFileSync( cacheFile, "UTF8"))
const perId = extract(data)
const nativeList = getNativeList(perId)
writeFileSync("./assets/language_native.json", JSON.stringify(nativeList))
writeFileSync("./assets/language_translations.json",
JSON.stringify(Utils.MapToObj<Map<string, string>>(perId, value => Utils.MapToObj(value)), null, " "))
}
main()//.then(() => console.log("Done!"))