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47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
from aiogram import Bot, types
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from aiogram.contrib.middlewares.context import ContextMiddleware
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from aiogram.dispatcher import Dispatcher
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from aiogram.types import ParseMode
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from aiogram.utils import markdown as md
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from aiogram.utils.executor import start_polling
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API_TOKEN = 'BOT TOKEN HERE'
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bot = Bot(token=API_TOKEN)
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dp = Dispatcher(bot)
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# Setup Context middleware
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data: ContextMiddleware = dp.middleware.setup(ContextMiddleware())
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# Write custom filter
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async def demo_filter(message: types.Message):
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# Store some data in context
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command = data['command'] = message.get_command() or ''
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args = data['args'] = message.get_args() or ''
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data['has_args'] = bool(args)
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data['some_random_data'] = 42
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return command != '/bad_command'
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@dp.message_handler(demo_filter)
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async def send_welcome(message: types.Message):
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# Get data from context
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# All of this is available only in current context and from current update object
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# `data`- pseudo-alias for `ctx.get_update().conf['_context_data']`
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command = data['command']
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args = data['args']
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rand = data['some_random_data']
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has_args = data['has_args']
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# Send as pre-formatted code block.
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await message.reply(md.hpre(f"""command: {command}
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args: {['Not available', 'available'][has_args]}: {args}
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some random data: {rand}
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message ID: {message.message_id}
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message: {message.html_text}
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"""), parse_mode=ParseMode.HTML)
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if __name__ == '__main__':
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start_polling(dp)
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