auto sign by click bot's button

autosign.py

# -*- encoding: utf-8 -*-
from telethon import TelegramClient
import re,time
api_id = 123456
api_hash = '123456'
toBot="@xxxxxx_bot"
client = TelegramClient('telethon', api_id, api_hash)

async def get_latest(entity):
    message = await client.get_messages(entity,1)
    return message[0]

async def main():
    start = await client.send_message(toBot,"/start")
    time.sleep(3)
    target = await get_latest(toBot)
    await target.click(text=re.compile(".*签到.*").match)
    await client.delete_messages(toBot,message_ids=[start,target],revoke=True)

with client:
    client.loop.run_until_complete(main())