# author: Bartlomiej "furas" Burek (https://blog.furas.pl)

# date: 2021.05.31

#

# title: Python telegram bot create/modify variable from input

# url: https://stackoverflow.com/questions/67766468/python-telegram-bot-create-modify-variable-from-input/67766651#67766651

import os

from telegram.ext import Updater, CommandHandler

# global variable

variables = {

'percentup': 2,

'percentdown': 0,

}

def set_value(update, context):

if len(context.args) == 2:

var = context.args[0]

value = context.args[1]

try:

if var in variables:

variables[var] = int(value)

else:

update.message.reply_text(f"I don't know variable '{var}'")

except:

update.message.reply_text(f"Wrong integer value '{value}'")

else:

update.message.reply_text(f"usage: /set variable value")

def get_value(update, context):

if len(context.args) == 1:

var = context.args[0]

if var in variables:

update.message.reply_text(variables[var])

else:

update.message.reply_text(f"I don't know variable '{var}'")

else:

update.message.reply_text(f"usage: /get variable")

if __name__ == '__main__':

TOKEN = os.getenv("TELEGRAM_TOKEN")

updater = Updater(TOKEN, use_context=True)

dispatcher = updater.dispatcher

dispatcher.add_handler(CommandHandler("set", set_value))

dispatcher.add_handler(CommandHandler("get", get_value))

updater.start_polling()

updater.idle()