update-page-language.py

#! /usr/bin/env python3

from ws.client import API
import ws.ArchWiki.lang as lang
from ws.interactive import require_login

def update_page_language(api):
    # ensure that we are authenticated
    require_login(api)

    namespaces = [0, 4, 10, 12, 14]
    for ns in namespaces:
        for page in api.generator(generator="allpages", gapnamespace=ns, gaplimit="max", prop="info"):
            title = page["title"]
            pagelanguage = page["pagelanguage"]

            pure, langname = lang.detect_language(title)
            langtag = lang.tag_for_langname(langname)

            if pagelanguage != langtag:
                api.set_page_language(title, langtag, "update language based on the page title")

if __name__ == "__main__":
    import ws.config

    api = ws.config.object_from_argparser(API, description="Updates the page language property in the wiki's database based on the ArchWiki page naming: https://wiki.archlinux.org/title/Help:I18n#Page_titles")
    update_page_language(api)