app.py

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

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

def test_https_urllib(url: str):
    print(f"\n🌐 Testing HTTPS access via urllib (Python stdlib) for {url}...")
    try:
        with urllib.request.urlopen(url, 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(url: str):
    print(f"\n🚀 Testing HTTPS access via httpx (used by python-telegram-bot) for {url}...")
    try:
        async with httpx.AsyncClient(timeout=10) as client:
            resp = await client.get(url)
            print(f"✅ HTTPS OK (httpx): status {resp.status_code}")
            return True
    except Exception as e:
        print(f"❌ HTTPS FAILED (httpx): {e}")
        return False

def test(host: str):
    url = f"https://{host}"
    dns_ok = test_dns(host)
    urllib_ok = test_https_urllib(url) if dns_ok else False
    httpx_ok = asyncio.run(test_https_httpx(url)) 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)
    
if __name__ == "__main__":
    print("="*60)
    print("📡 Hugging Face Space: Internet Access Test for Telegram")
    print("="*60)
    
    test("api.telegram.org")
    test("www.google.com")
    test("chat.qwen.ai")