Building with AI

Telegram bot

Overview

Key use cases:

When learning a new language it is sometimes easier to listen instead of reading.

This bot can be used to transform text into audio for this purpose.

Prompts

Code

import os
from telegram import Update
from telegram.ext import Application, CommandHandler, MessageHandler, ContextTypes, filters
from gtts import gTTS
import tempfile

# Replace 'YOUR_BOT_TOKEN' with the token you got from BotFather
TOKEN = 'yup-do-not-share-this'

async def start(update: Update, context: ContextTypes.DEFAULT_TYPE):
    """Send a message when the command /start is issued."""
    welcome_message = (
        "👋 Welcome to the Text-to-Speech Bot!\n\n"
        "Simply send me any text message, and I'll convert it to audio for you.\n"
        "You can also use /help to see available commands."
    )
    await update.message.reply_text(welcome_message)

async def help_command(update: Update, context: ContextTypes.DEFAULT_TYPE):
    """Send a message when the command /help is issued."""
    help_message = (
        "🔊 Text-to-Speech Bot Commands:\n\n"
        "- Just send any text message to convert it to audio\n"
        "- /start - Start the bot\n"
        "- /help - Show this help message"
    )
    await update.message.reply_text(help_message)

async def text_to_speech(update: Update, context: ContextTypes.DEFAULT_TYPE):
    """Convert text message to speech and send audio."""
    try:
        # Send "processing" message
        processing_message = await update.message.reply_text("🎵 Converting your text to speech...")
  
        # Get the text from the message
        text = update.message.text
  
        # Create a temporary file
        with tempfile.NamedTemporaryFile(delete=False, suffix='.mp3') as tmp_file:
            # Convert text to speech
            tts = gTTS(text=text, lang='en')
            tts.save(tmp_file.name)
      
            # Send the audio file
            with open(tmp_file.name, 'rb') as audio:
                await update.message.reply_voice(voice=audio)
      
            # Delete the temporary file
            os.unlink(tmp_file.name)
  
        # Delete the processing message
        await processing_message.delete()
  
    except Exception as e:
        error_message = f"Sorry, an error occurred: {str(e)}"
        await update.message.reply_text(error_message)

def main():
    """Start the bot."""
    # Create the Application
    application = Application.builder().token(TOKEN).build()

    # Add handlers
    application.add_handler(CommandHandler("start", start))
    application.add_handler(CommandHandler("help", help_command))
    application.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, text_to_speech))

    # Start the bot
    print("Bot is starting...")
    application.run_polling()

if __name__ == '__main__':
    main()

Output