open_tele.py

from opentele.td import TDesktop
from opentele.tl import TelegramClient
from opentele.api import API, CreateNewSession, UseCurrentSession
import asyncio
import os

async def main():

    # Load TDesktop client from tdata folder
    userprofile = os.environ["USERPROFILE"]
    tdataFolder = userprofile + "\\AppData\\Roaming\\Telegram Desktop\\tdata"
    tdesk = TDesktop(tdataFolder)


    # Check if we have loaded any accounts
    assert tdesk.isLoaded()

    # flag=UseCurrentSession
    #
    # Convert TDesktop to Telethon using the current session.
    client = await tdesk.ToTelethon(session="telethon.session", flag=UseCurrentSession)
    
    # Connect and print all logged-in sessions of this client.
    # Telethon will save the session to telethon.session on creation.
    await client.connect()
    await client.PrintSessions()

asyncio.run(main())