Example of a telegram bot in python without using specific libraries

To make a telegram bot there are a lot of libraries that allow you to do that.
However, if you want to make a bot in python without using specific libraries, this is the right article for you.

The libraries used are:

import json
import requests
import urllib

First you have to create the bot using BotFather (https://t.me/BotFather)

To check if someone has contacted the bot:

def get_updates(offset=None):
    url = URL + "getUpdates?timeout=100"
    if offset:
        url += "&offset={}".format(offset)
        js = get_json_from_url(url)
    return js

To handle requests made to the bot:

def echo_all(updates):
    for update in updates["result"]:
    if update.get("message") != None:
        if update.get("message", {}).get("text") != None:
            text = update["message"]["text"]
            chat = update["message"]["chat"]["id"]
            print(text)
            if text == "/test" or text == "/test@" + USERNAME_BOT:
                text = "test response"
                send_message(text, chat)
            elif text == "/start" or text == "/start@" + USERNAME_BOT:
                send_message("/test for test the bot", chat)

This is an example, which sends the response “test response” on receiving the /text command and on the /start command responds “/test for test the bot”

This is the function for sending text messages:

def send_message(text, chat_id):
    tot = urllib.parse.quote_plus(text)
    url = URL + "sendMessage?text={}&chat_id={}".format(tot, chat_id)
    get_url(url)

This is the function for sending messages with a document (the “doc” variable indicates the path to the file):

def send_document(doc, chat_id):
    files = {'document': open(doc, 'rb')}
    requests.post(URL + "sendDocument?chat_id={}".format(chat_id), files=files)

This is the function for sending messages with an image (the “doc” variable indicates the path to the file):

def send_image(doc, chat_id):
    files = {'photo': open(doc, 'rb')}
    requests.post(URL + "sendPhoto?chat_id={}".format(chat_id), files=files)

Here you can find all the code:

If you have any problems or if you have solved them in any other way do not hesitate to write them in the comments!

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