dns_test.py

# test_internet.py
import os
import socket
import ssl
import sys
import urllib.request
import asyncio
import httpx

def test_dns():
    print("🔍 Testing DNS resolution for api.telegram.org...")
    try:
        ip = socket.gethostbyname("api.telegram.org")
        print(f"✅ DNS OK: api.telegram.org -> {ip}")
        return True
    except Exception as e:
        print(f"❌ DNS FAILED: {e}")
        return False

def test_https_urllib():
    print("\n🌐 Testing HTTPS access via urllib (Python stdlib)...")
    try:
        with urllib.request.urlopen("https://api.telegram.org", timeout=10) as response:
            print(f"✅ HTTPS OK: status {response.getcode()}")
            return True
    except Exception as e:
        print(f"❌ HTTPS FAILED (urllib): {e}")
        return False

async def test_https_httpx():
    print("\n🚀 Testing HTTPS access via httpx (used by python-telegram-bot)...")
    try:
        async with httpx.AsyncClient(timeout=10) as client:
            resp = await client.get("https://api.telegram.org")
            print(f"✅ HTTPS OK (httpx): status {resp.status_code}")
            return True
    except Exception as e:
        print(f"❌ HTTPS FAILED (httpx): {e}")
        return False

if __name__ == "__main__":
    print("="*60)
    print("📡 Hugging Face Space: Internet Access Test for Telegram")
    print("="*60)
    
    dns_ok = test_dns()
    urllib_ok = test_https_urllib() if dns_ok else False
    httpx_ok = asyncio.run(test_https_httpx()) if dns_ok else False

    print("\n" + "="*60)
    if dns_ok and (urllib_ok or httpx_ok):
        print("🎉 SUCCESS: Outbound internet appears to work!")
    else:
        print("🛑 FAILURE: Outbound internet is BLOCKED.")
        print("   → Telegram bots will NOT work on this platform.")
    print("="*60)