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add telegram bot tutorial · Rick15707/pythoncode-tutorials@0421b7a · GitHub

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add telegram bot tutorial
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‎README.md‎

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@@ -126,6 +126,7 @@ This is a repository of all the tutorials of [The Python Code](https://www.thepy
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- [How to Translate Text in Python](https://www.thepythoncode.com/article/translate-text-in-python). ([code](general/using-google-translate-api))
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- [How to Make a URL Shortener in Python](https://www.thepythoncode.com/article/make-url-shortener-in-python). ([code](general/url-shortener))
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- [How to Get Google Page Ranking in Python](https://www.thepythoncode.com/article/get-google-page-ranking-by-keyword-in-python). ([code](general/getting-google-page-ranking))
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- [How to Make a Telegram Bot in Python](https://www.thepythoncode.com/article/make-a-telegram-bot-in-python). ([code](general/telegram-bot))
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- ### [Database](https://www.thepythoncode.com/topic/using-databases-in-python)
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- [How to Use MySQL Database in Python](https://www.thepythoncode.com/article/using-mysql-database-in-python). ([code](database/mysql-connector))

‎general/telegram-bot/README.md‎

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# [How to Make a Telegram Bot in Python](https://www.thepythoncode.com/article/make-a-telegram-bot-in-python)
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To run this:
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- `pip3 install -r requirements.txt`
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- Get an API key contacting @FatherBot in Telegram
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- Run `telegram_bot.py`

‎general/telegram-bot/requirements.txt‎

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python-telegram-bot

‎general/telegram-bot/telegram_bot.py‎

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import telegram
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import telegram.ext
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import re
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from random import randint
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import logging
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logging.basicConfig(level=logging.INFO,
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format='%(asctime)s - %(name)s - %(levelname)s - %(message)s')
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# The API Key we received for our bot
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API_KEY = "1463892065:AAF-9uhbX2D9zrRQXMjgdisFBpY_l7lGCOs"
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# API_KEY = "<INSERT_API_KEY_HERE>"
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# Create an updater object with our API Key
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updater = telegram.ext.Updater(API_KEY)
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# Retrieve the dispatcher, which will be used to add handlers
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dispatcher = updater.dispatcher
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# Our states, as integers
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WELCOME = 0
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QUESTION = 1
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CANCEL = 2
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CORRECT = 3
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# The entry function
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def start(update_obj, context):
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# send the question, and show the keyboard markup (suggested answers)
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update_obj.message.reply_text("Hello there, do you want to answer a question? (Yes/No)",
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reply_markup=telegram.ReplyKeyboardMarkup([['Yes', 'No']], one_time_keyboard=True)
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)
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# go to the WELCOME state
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return WELCOME
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# helper function, generates new numbers and sends the question
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def randomize_numbers(update_obj, context):
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# store the numbers in the context
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context.user_data['rand_x'], context.user_data['rand_y'] = randint(0,1000), randint(0, 1000)
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# send the question
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update_obj.message.reply_text(f"Calculate {context.user_data['rand_x']}+{context.user_data['rand_y']}")
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# in the WELCOME state, check if the user wants to answer a question
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def welcome(update_obj, context):
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if update_obj.message.text.lower() in ['yes', 'y']:
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# send question, and go to the QUESTION state
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randomize_numbers(update_obj, context)
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return QUESTION
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else:
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# go to the CANCEL state
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return CANCEL
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# in the QUESTION state
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def question(update_obj, context):
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# expected solution
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solution = int(context.user_data['rand_x']) + int(context.user_data['rand_y'])
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# check if the solution was correct
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if solution == int(update_obj.message.text):
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# correct answer, ask the user if he found tutorial helpful, and go to the CORRECT state
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update_obj.message.reply_text("Correct answer!")
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update_obj.message.reply_text("Was this tutorial helpful to you?")
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return CORRECT
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else:
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# wrong answer, reply, send a new question, and loop on the QUESTION state
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update_obj.message.reply_text("Wrong answer :'(")
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# send another random numbers calculation
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randomize_numbers(update_obj, context)
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return QUESTION
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# in the CORRECT state
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def correct(update_obj, context):
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if update_obj.message.text.lower() in ['yes', 'y']:
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update_obj.message.reply_text("Glad it was useful! ^^")
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else:
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update_obj.message.reply_text("You must be a programming wizard already!")
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# get the user's first name
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first_name = update_obj.message.from_user['first_name']
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update_obj.message.reply_text(f"See you {first_name}!, bye")
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return telegram.ext.ConversationHandler.END
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def cancel(update_obj, context):
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# get the user's first name
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first_name = update_obj.message.from_user['first_name']
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update_obj.message.reply_text(
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f"Okay, no question for you then, take care, {first_name}!", reply_markup=telegram.ReplyKeyboardRemove()
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)
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return telegram.ext.ConversationHandler.END
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# a regular expression that matches yes or no
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yes_no_regex = re.compile(r'^(yes|no|y|n)$', re.IGNORECASE)
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# Create our ConversationHandler, with only one state
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handler = telegram.ext.ConversationHandler(
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entry_points=[telegram.ext.CommandHandler('start', start)],
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states={
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WELCOME: [telegram.ext.MessageHandler(telegram.ext.Filters.regex(yes_no_regex), welcome)],
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QUESTION: [telegram.ext.MessageHandler(telegram.ext.Filters.regex(r'^\d+$'), question)],
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CANCEL: [telegram.ext.MessageHandler(telegram.ext.Filters.regex(yes_no_regex), cancel)],
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CORRECT: [telegram.ext.MessageHandler(telegram.ext.Filters.regex(yes_no_regex), correct)],
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},
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fallbacks=[telegram.ext.CommandHandler('cancel', cancel)],
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)
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# add the handler to the dispatcher
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dispatcher.add_handler(handler)
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# start polling for updates from Telegram
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updater.start_polling()
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# block until a signal (like one sent by CTRL+C) is sent
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updater.idle()

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