app.py from flask import Flask, render_template_string, jsonify, request import threading import requests import xml.etree.ElementTree as ET import concurrent.futures import time app = Flask(name) ——————————- ① 対象各国のサイトマップ URL を設定 ——————————- sitemaps = { “Japanese”: “https://mainoriti.com/sitemap_index.xml”, “English”: “https://mainoriti.com/en/sitemap_index.xml”, “Arabic”: “https://mainoriti.com