39 lines
1.3 KiB
Python
39 lines
1.3 KiB
Python
# Just a little example of middleware handlers
|
|
|
|
from telebot.asyncio_handler_backends import BaseMiddleware
|
|
from telebot.async_telebot import AsyncTeleBot
|
|
from telebot.async_telebot import CancelUpdate
|
|
bot = AsyncTeleBot('TOKEN')
|
|
|
|
|
|
class SimpleMiddleware(BaseMiddleware):
|
|
def __init__(self, limit) -> None:
|
|
self.last_time = {}
|
|
self.limit = limit
|
|
self.update_types = ['message']
|
|
# Always specify update types, otherwise middlewares won't work
|
|
|
|
|
|
async def pre_process(self, message, data):
|
|
if not message.from_user.id in self.last_time:
|
|
# User is not in a dict, so lets add and cancel this function
|
|
self.last_time[message.from_user.id] = message.date
|
|
return
|
|
if message.date - self.last_time[message.from_user.id] < self.limit:
|
|
# User is flooding
|
|
await bot.send_message(message.chat.id, 'You are making request too often')
|
|
return CancelUpdate()
|
|
self.last_time[message.from_user.id] = message.date
|
|
|
|
|
|
async def post_process(self, message, data, exception):
|
|
pass
|
|
|
|
bot.setup_middleware(SimpleMiddleware(2))
|
|
|
|
@bot.message_handler(commands=['start'])
|
|
async def start(message):
|
|
await bot.send_message(message.chat.id, 'Hello!')
|
|
|
|
import asyncio
|
|
asyncio.run(bot.polling()) |