openai-telegram-bot/main.py

import os
import re
import openai
import logging
from pydub import AudioSegment
from telegram import Update
from functools import wraps
from telegram.ext import ApplicationBuilder, CommandHandler, ContextTypes, MessageHandler, filters

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

openai.api_key = os.getenv("OPENAI_API_KEY")
users = {
    "userid": {
        "context": [],
        "usage": {
            "chatgpt": 0,
            "whisper": 0,
            "dalle": 0,
        }
    },
}
ALLOWED_USERS=[]
SYSTEM_PROMPT=os.getenv("CHATGPT_SYSTEM_PROMPT")
MAX_USER_CONTEXT=int(os.getenv("CHATGPT_MAX_USER_CONTEXT"))

def restricted(func):
    @wraps(func)
    async def wrapped(update, context, *args, **kwargs):
        user_id = update.effective_user.id
        if str(user_id) not in ALLOWED_USERS:
            if "*" != ALLOWED_USERS[0]:
                print(f"Unauthorized access denied for {user_id}.")
                return
        else:
            if not f"{update.effective_chat.id}" in users:
                users[f"{update.effective_chat.id}"] = {"context": [], "usage": {"chatgpt": 0,"whisper": 0,"dalle": 0,}}
        return await func(update, context, *args, **kwargs)
    return wrapped

@restricted
async def start(update: Update, context: ContextTypes.DEFAULT_TYPE):
    if not f"{update.effective_chat.id}" in users:
        users[f"{update.effective_chat.id}"] = {"context": [], "usage": {"chatgpt": 0,"whisper": 0,"dalle": 0,}}
    await context.bot.send_message(chat_id=update.effective_chat.id, text="I'm a bot, please talk to me!")

@restricted    
async def imagine(update: Update, context: ContextTypes.DEFAULT_TYPE):
    users[f"{update.effective_chat.id}"]["usage"]['dalle'] += 1
    response = openai.Image.create(
        prompt=update.message.text,
        n=1,
        size="1024x1024"
    )
    try:
        image_url = response['data'][0]['url']
        await context.bot.send_message(chat_id=update.effective_chat.id, text=image_url)
    except:
        await context.bot.send_message(chat_id=update.effective_chat.id, text="Error generating. Your prompt may contain text that is not allowed by OpenAI safety system.")
    
@restricted
async def attachment(update: Update, context: ContextTypes.DEFAULT_TYPE):
    print(update.message)
    try:
        users[f"{update.effective_chat.id}"]["usage"]['whisper'] += update.message.voice.duration
        file = await context.bot.get_file(update.message.voice.file_id)
        await file.download_to_drive(f"{update.effective_user.id}.ogg")
        ogg_audio = AudioSegment.from_file(f"{update.effective_user.id}.ogg", format="ogg")
        ogg_audio.export(f"{update.effective_user.id}.mp3", format="mp3")
        os.remove(f"{update.effective_user.id}.ogg")
        audio_file= open(f"{update.effective_user.id}.mp3", "rb")
        try:
            transcript = openai.Audio.transcribe("whisper-1", audio_file)
        except:
            await context.bot.send_message(chat_id=update.effective_chat.id, text="Transcript failed.")
        os.remove(f"{update.effective_user.id}.mp3")
        if transcript['text'] == "":
            transcript['text'] = "[Silence]"
        await context.bot.send_message(chat_id=update.effective_chat.id, text=transcript['text'])
    except:
        await context.bot.send_message(chat_id=update.effective_chat.id, text="Can't handle such file. Reason: unkown.")

@restricted
async def chat(update: Update, context: ContextTypes.DEFAULT_TYPE):
    if not f"{update.effective_chat.id}" in users:
        users[f"{update.effective_chat.id}"] = {"context": [], "usage": {"chatgpt": 0,"whisper": 0,"dalle": 0,}}
    
    # Save context
    if len(users[f"{update.effective_chat.id}"]["context"]) <= MAX_USER_CONTEXT:
        users[f"{update.effective_chat.id}"]["context"].append({"role": "user", "content": f"{update.message.text}"})
    else:
        users[f"{update.effective_chat.id}"]["context"].pop(0)
        users[f"{update.effective_chat.id}"]["context"].append({"role": "user", "content": f"{update.message.text}"})
    
    # Interact with ChatGPT api   
    response = openai.ChatCompletion.create(
        model="gpt-3.5-turbo",
        messages=[{"role": "system", "content": SYSTEM_PROMPT}]+users[f"{update.effective_chat.id}"]["context"]
    )
    
    # Save context
    if len(users[f"{update.effective_chat.id}"]["context"]) <= MAX_USER_CONTEXT:
        users[f"{update.effective_chat.id}"]["context"].append({"role": "assistant", "content": f"{response['choices'][0]['message']['content']}"})
    else:
        users[f"{update.effective_chat.id}"]["context"].pop(0)
        users[f"{update.effective_chat.id}"]["context"].append({"role": "assistant", "content": f"{response['choices'][0]['message']['content']}"})
    
    # Update usage
    users[f"{update.effective_chat.id}"]["usage"]['chatgpt'] += len(str(users[f"{update.effective_chat.id}"]["context"]))
    
    # Send reply
    await context.bot.send_message(chat_id=update.effective_chat.id, text=response['choices'][0]['message']['content'])

@restricted
async def clear(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
    if f"{update.effective_chat.id}" in users:
        users[f"{update.effective_chat.id}"]["context"] = []
    print(f"Cleared context for {update.effective_chat.id}")
    await update.message.reply_text(f'Your message context history was cleared.')

@restricted
async def usage(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
    user_info=users[f"{update.effective_chat.id}"]["usage"]
    total_spent=0.0
    total_spent+=(user_info['chatgpt']/750)*0.002
    total_spent+=float(user_info['dalle'])*0.02
    total_spent+=(user_info['whisper'])*0.006 
    info_message=f"""User: {update.effective_user.name}\n- Used {user_info["chatgpt"]} characters with ChatGPT.\n- Generated {user_info["dalle"]} images with DALL-E.\n- Transcribed {user_info["whisper"]}min with Whisper.\n\nTotal spent: ${str(total_spent)}"""
    await context.bot.send_message(chat_id=update.effective_chat.id, text=info_message)
    
@restricted
async def _help(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
    help_message="""Here's what you can do:\n\n- /imagine <prompt> to generate an image with DALL-E\n- Send a message to chat with ChatGPT\n- Send an audio to transcribe to text with Whisper.\n\n- /usage To get your usage statistics.\n - /clear To clear you chatgpt message context (start a new chat)."""
    await context.bot.send_message(chat_id=update.effective_chat.id, text=help_message)

if __name__ == '__main__':
    try:
        ALLOWED_USERS=os.getenv("BOT_ALLOWED_USERS").split(",")
    except:
        ALLOWED_USERS=ALLOWED_USERS
    print(f"Allowed users: {ALLOWED_USERS}")
    print(f"System prompt: {SYSTEM_PROMPT}")
    
    application = ApplicationBuilder().token(os.getenv("BOT_TOKEN")).build()
    
    start_handler = CommandHandler('start', start)
    application.add_handler(start_handler), 
    
    clear_handler = CommandHandler('clear', clear)
    application.add_handler(clear_handler), 
    
    info_handler = CommandHandler('usage', usage)
    application.add_handler(info_handler), 
    
    help_handler = CommandHandler('help', _help)
    application.add_handler(help_handler), 
    
    imagine_handler = CommandHandler('imagine', imagine)
    application.add_handler(imagine_handler), 
    
    application.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, chat))
    application.add_handler(MessageHandler(filters.ATTACHMENT & ~filters.COMMAND, attachment))
    
    application.run_polling()