How to change PTB httpx to aiohttp

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Introduction

• This article guides you through changing python-telegram-bot httpx to aiohttp. httpx and aiohttp are libraries used to make http requests.
• Before we get start, make sure you have Python and python-telegram-bot library installed on your environment. Check the python-telegram-bot instalation command below.

pip install python-telegram-bot

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Changing libraries

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Installing

• First, you will need to install a library that offers an class to handle the requests maded to Telegram. Let’s install ptbcontrib, use the command below:

pip install git+https://github.com/python-telegram-bot/ptbcontrib.git@main

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Changing httpx to aiohttp

• Next, we need to import AiohttpRequest in the file where we will instantiate our bot client.

from ptbcontrib.aiohttp_request import AiohttpRequest

• This class will handle all requests to telegram instead of default httpx.
• AiohttpRequest will be used in the PTB client instance like in the example below:

import asyncio
import telegram
from ptbcontrib.aiohttp_request import AiohttpRequest


async def main():
    bot = telegram.Bot("TOKEN", request=AiohttpRequest(), get_updates_request=AiohttpRequest())
    async with bot:
        print(await bot.get_me())


if __name__ == '__main__':
    asyncio.run(main())

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Why do this change?

• Changing the library httpx to aiohttp brings some benefits with it.

1. Performance: aiohttp is faster than httpx.
2. Mitigating Errors: The httpx will raise too much network errors like ReadError and other NetworkErrors due to it’s configurations and performance.

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