代理城市检查器：验证出口 IP 所在城市

# pip install requests geoip2
# GeoLite2-City.mmdb and GeoLite2-ASN.mmdb: download them from your MaxMind account
from urllib.parse import quote

import geoip2.database
import requests

HOST = "gw.eurocityproxies.com"
PORT = 7777
USER = "USERNAME-country-de-city-munich-session-muc1-ttl-10"
PASSWORD = quote("PASSWORD", safe="")
proxy = f"http://{USER}:{PASSWORD}@{HOST}:{PORT}"

# Source 1: IPinfo, read through the proxy
info = requests.get("https://ipinfo.io/json", proxies={"http": proxy, "https": proxy}, timeout=30).json()
ip = info["ip"]

# Source 2: MaxMind GeoLite, read from local files (no request leaves your machine)
with geoip2.database.Reader("GeoLite2-City.mmdb") as city_db:
    c = city_db.city(ip)
with geoip2.database.Reader("GeoLite2-ASN.mmdb") as asn_db:
    a = asn_db.asn(ip)

print("exit IP     ", ip)
print("IPinfo      ", info.get("city"), info.get("region"), info.get("country"), info.get("org"))
print("GeoLite     ", c.city.name, c.country.iso_code, f"radius {c.location.accuracy_radius} km")
print("GeoLite ASN ", f"AS{a.autonomous_system_number}", a.autonomous_system_organization)