aiogram/examples/echo_bot.py

"""
This is a echo bot.
It echoes any incoming text messages.
"""

import logging

from aiogram import Bot, Dispatcher, executor, types

API_TOKEN = "BOT TOKEN HERE"

# Configure logging
logging.basicConfig(level=logging.INFO)

# Initialize bot and dispatcher
bot = Bot(token=API_TOKEN)
dp = Dispatcher(bot)


@dp.message_handler(commands=["start", "help"])
async def send_welcome(message: types.Message):
    """
    This handler will be called when client send `/start` or `/help` commands.
    """
    await message.reply("Hi!\nI'm EchoBot!\nPowered by aiogram.")


@dp.message_handler(regexp="(^cat[s]?$|puss)")
async def cats(message: types.Message):
    with open("data/cats.jpg", "rb") as photo:
        await bot.send_photo(
            message.chat.id,
            photo,
            caption="Cats is here 😺",
            reply_to_message_id=message.message_id,
        )


@dp.message_handler()
async def echo(message: types.Message):
    await bot.send_message(message.chat.id, message.text)


if __name__ == "__main__":
    executor.start_polling(dp, skip_updates=True)