from telegram import  *
from telegram.ext import *
import os


def download(update, context):
    files = update.message.text.split()[1:]

    for file in files:
        if not os.path.isfile(file):
            continue
        try:
            context.bot.send_document(chat_id=update.message.chat_id, document=open(file, 'rb'))

        except TelegramError as error:
            update.message.reply_text(str(error))


def main():
    updater = Updater('token_here', use_context=True)
    dp = updater.dispatcher

    dp.add_handler(CommandHandler('download', download))


    updater.start_polling()
    updater.idle()

if __name__ == '__main__':
    main()