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* Bump dev dependencies * Pre-commit py3.8 support * Pre-commit py3.8 support (v3.5+) * Mute mypy python version bug
109 lines
3.8 KiB
Python
109 lines
3.8 KiB
Python
"""
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This example shows how to use webhook on behind of any reverse proxy (nginx, traefik, ingress etc.)
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"""
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import logging
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import sys
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from os import getenv
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from aiohttp import web
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from aiogram import Bot, Dispatcher, Router
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from aiogram.client.default import DefaultBotProperties
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from aiogram.enums import ParseMode
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from aiogram.filters import CommandStart
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from aiogram.types import Message
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from aiogram.utils.markdown import hbold
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from aiogram.webhook.aiohttp_server import SimpleRequestHandler, setup_application
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# Bot token can be obtained via https://t.me/BotFather
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TOKEN = getenv("BOT_TOKEN")
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# Webserver settings
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# bind localhost only to prevent any external access
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WEB_SERVER_HOST = "127.0.0.1"
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# Port for incoming request from reverse proxy. Should be any available port
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WEB_SERVER_PORT = 8080
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# Path to webhook route, on which Telegram will send requests
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WEBHOOK_PATH = "/webhook"
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# Secret key to validate requests from Telegram (optional)
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WEBHOOK_SECRET = "my-secret"
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# Base URL for webhook will be used to generate webhook URL for Telegram,
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# in this example it is used public DNS with HTTPS support
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BASE_WEBHOOK_URL = "https://aiogram.dev"
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# All handlers should be attached to the Router (or Dispatcher)
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router = Router()
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@router.message(CommandStart())
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async def command_start_handler(message: Message) -> None:
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"""
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This handler receives messages with `/start` command
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"""
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# Most event objects have aliases for API methods that can be called in events' context
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# For example if you want to answer to incoming message you can use `message.answer(...)` alias
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# and the target chat will be passed to :ref:`aiogram.methods.send_message.SendMessage`
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# method automatically or call API method directly via
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# Bot instance: `bot.send_message(chat_id=message.chat.id, ...)`
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await message.answer(f"Hello, {hbold(message.from_user.full_name)}!")
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@router.message()
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async def echo_handler(message: Message) -> None:
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"""
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Handler will forward receive a message back to the sender
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By default, message handler will handle all message types (like text, photo, sticker etc.)
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"""
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try:
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# Send a copy of the received message
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await message.send_copy(chat_id=message.chat.id)
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except TypeError:
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# But not all the types is supported to be copied so need to handle it
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await message.answer("Nice try!")
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async def on_startup(bot: Bot) -> None:
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# If you have a self-signed SSL certificate, then you will need to send a public
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# certificate to Telegram
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await bot.set_webhook(f"{BASE_WEBHOOK_URL}{WEBHOOK_PATH}", secret_token=WEBHOOK_SECRET)
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def main() -> None:
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# Dispatcher is a root router
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dp = Dispatcher()
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# ... and all other routers should be attached to Dispatcher
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dp.include_router(router)
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# Register startup hook to initialize webhook
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dp.startup.register(on_startup)
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# Initialize Bot instance with default bot properties which will be passed to all API calls
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bot = Bot(token=TOKEN, default=DefaultBotProperties(parse_mode=ParseMode.HTML))
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# Create aiohttp.web.Application instance
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app = web.Application()
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# Create an instance of request handler,
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# aiogram has few implementations for different cases of usage
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# In this example we use SimpleRequestHandler which is designed to handle simple cases
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webhook_requests_handler = SimpleRequestHandler(
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dispatcher=dp,
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bot=bot,
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secret_token=WEBHOOK_SECRET,
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)
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# Register webhook handler on application
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webhook_requests_handler.register(app, path=WEBHOOK_PATH)
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# Mount dispatcher startup and shutdown hooks to aiohttp application
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setup_application(app, dp, bot=bot)
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# And finally start webserver
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web.run_app(app, host=WEB_SERVER_HOST, port=WEB_SERVER_PORT)
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if __name__ == "__main__":
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logging.basicConfig(level=logging.INFO, stream=sys.stdout)
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main()
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