app.py

import os
from telegram import Update
from telegram.ext import Application, CommandHandler, ContextTypes
import logging
import threading

# Enable logging
logging.basicConfig(format='%(asctime)s - %(name)s - %(levelname)s - %(message)s', level=logging.INFO)
logger = logging.getLogger(__name__)

# Load bot token from environment variable
BOT_TOKEN = "6655373829:AAGduLdLyNx7zUtxH73Sp3Z1vHKS35tV9WU"
if not BOT_TOKEN:
    raise ValueError("Bot token is not set in environment variables")

# Create the bot application
application = Application.builder().token(BOT_TOKEN).build()

# Define the /start command handler
def start(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
    """Sends a welcome message when the user starts the bot."""
    update.message.reply_text("Hello! This bot is running in synchronous mode 🚀")

# Add command handlers
application.add_handler(CommandHandler("start", start))

# Function to run the polling
def start_polling():
    # Run the polling in blocking mode
    application.run_polling()

# Start a new thread to run polling
thread = threading.Thread(target=start_polling)
thread.start()

# Display information in terminal/log
print("Bot is actively running and polling Telegram.")