How to make a simple telegram bot on python

Working at Amazon (Alexa and Amazon Business) on things related to metering, billing and invoicing. I like gaming, music, sketching, writing and cooking.

Let's start

We will need to make a main.py file, below is a scaffold which we will need for almost any bot -

import logging from telegram.ext import Updater, CommandHandler, MessageHandler, Filters logging.basicConfig(format='%(asctime)s - %(name)s - %(levelname)s - %(message)s', level=logging.INFO) logger = logging.getLogger(__name__) def start(update, context): update.message.reply_text('Hi use /cat to get cat pics!') def help_command(update, context): update.message.reply_text('Help: use /cat to get cat pics!') if __name__ == '__main__': TOKEN = "<the bot token>" updater = Updater(TOKEN, use_context=True) # Get the dispatcher to register handlers dp = updater.dispatcher # on different commands - answer in Telegram dp.add_handler(CommandHandler("start", start)) dp.add_handler(CommandHandler("help", help_command)) # Start the Bot updater.start_polling() # Run the bot until you press Ctrl-C updater.idle()

In the above code, we need to add a new handler inside __main__

dp.add_handler(CommandHandler("cat", catpic))

Now, we need to define the catpic handler method

def catpic(update, context): import requests url = requests.get('https://api.thecatapi.com/v1/images/search').json()[0]["url"] update.message.reply_photo(url) update.message.reply_text("Here is a nice cat!")

We get a image url from the API and use the reply_photo method to send that image link.

Create a bot on telegram

Goto t.me/botfather, this is a bot by telegram which helps us create and manage our bots.

write /start to see a list of all commands

write /newbot to start creation of a new bot

follow the steps and get the token after the bot is created

in the main.py update the TOKEN variable with the new bot token

How to make a simple telegram bot on python

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Install the requirements

Let's start

Create a bot on telegram

Run the bot