MirrorTea/mirrortea/__main__.py

import asyncio
import os
import sys

import aiogram as telegram
import nio as matrix

MATRIX_HOMESERVER_URL = os.environ['MATRIX_HOMESERVER_URL']
MATRIX_FULL_USER_ID   = os.environ['MATRIX_FULL_USER_ID']
MATRIX_PASSWORD       = os.environ['MATRIX_PASSWORD']
TELEGRAM_BOT_TOKEN    = os.environ['TELEGRAM_BOT_TOKEN']

async def main():
    try:
        matrix_client = \
            matrix.AsyncClient(MATRIX_HOMESERVER_URL, MATRIX_FULL_USER_ID)

        matrix_client.add_event_callback(matrix_on_message,
                                         matrix.RoomMessage)

        await matrix_client.login(MATRIX_PASSWORD)

        telegram_client = telegram.Bot(token=TELEGRAM_BOT_TOKEN)

        await asyncio.gather(matrix_loop(matrix_client), telegram_loop())
    finally:
        if matrix_client:
            await matrix_client.close()

async def matrix_loop(client):
    await client.sync_forever(timeout=30000)

async def telegram_loop():
    print(456, file=sys.stderr)

async def matrix_on_message(room, event):
    print(room, event, file=sys.stderr)

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