Telegram API

from pyrogram import Client, filters
from pyrogram.types import Message
from doti18n import LocaleData

i18n = LocaleData("locales")
app = Client("bot", api_id=..., api_hash="...", bot_token="...")

@app.on_message(filters.command("start"))
async def main(_, message: Message):
    t = i18n[message.from_user.language_code].main
    await message.reply(t.hello)

app.run()

import asyncio
from aiogram import Bot, Dispatcher
from aiogram.types import Message
from aiogram.filters import CommandStart
from doti18n import LocaleData

i18n = LocaleData("locales")
dp = Dispatcher()

@dp.message(CommandStart())
async def start_handler(message: Message):
    t = i18n[message.from_user.language_code].main
    await message.reply(t.hello)

async def main():
    bot = Bot(token="...")
    await dp.start_polling(bot)

if __name__ == "__main__":
    asyncio.run(main())

from telegram import Update
from telegram.ext import ApplicationBuilder, CommandHandler, ContextTypes
from doti18n import LocaleData

i18n = LocaleData("locales")

async def main(update: Update, _):
    t = i18n[update.effective_user.language_code].main
    await update.message.reply_text(t.hello)

app = ApplicationBuilder().token("...").build()
app.add_handler(CommandHandler("start", hello))
app.run_polling()

from telethon import TelegramClient, events
from doti18n import LocaleData

i18n = LocaleData("locales")
client = TelegramClient("bot", api_id=..., api_hash="...").start(bot_token="...")

@client.on(events.NewMessage(pattern='/start'))
async def main(event: events.NewMessage.Event):
    user = await event.get_sender()
    t = i18n[user.lang_code].main
    await event.reply(t.hello)

client.run_until_disconnected()