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pyTelegramBotAPI/examples/asynchronous_telebot/middleware/flooding_middleware.py

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2021-12-04 19:11:51 +03:00
# Just a little example of middleware handlers
import telebot
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!')
2021-12-12 13:07:30 +03:00
import asyncio
asyncio.run(bot.polling())