Telegram bot to receive messages and store them in a Nextcloud hosted .md file

obsidian_telegram_bot.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# pylint: disable=W0613, C0116
# type: ignore[union-attr]
# This program is dedicated to the public domain under the CC0 license.

import logging, os
from datetime import datetime

# pyocclient
import owncloud

# python-telegram-bot
from telegram import Update, KeyboardButton, ReplyKeyboardMarkup, InlineKeyboardButton, InlineKeyboardMarkup, ParseMode
from telegram.ext import Updater, CommandHandler, MessageHandler, Filters, CallbackContext, CallbackQueryHandler

logging.basicConfig(format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
                     level=logging.INFO)
logger = logging.getLogger(__name__)

# change the following variables for local configuration
nc_server = "http://localhost/nextcloud"            # change that to the NC URL for the host this script runs on
nc_user = "<nextcloud user>"
nc_password = "<nextcloud user>"
link_file = "Obsidian/0-Incoming/0-SentLinks.md"    # change that Obsidian "sent links" file
tmp_dir = "/tmp"                                    # local temp dir
telegram_token = "<telegram token>"                 # see https://core.telegram.org/bots#6-botfather

def append_to_nc_file(text):
    oc = owncloud.Client(nc_server)
    oc.login(nc_user,nc_password)
    tmp_file = os.path.basename(link_file)
    tmp_file = f"{tmp_dir}/{tmp_file}"
    oc.get_file(link_file, tmp_file)
    if not os.path.isfile(tmp_file) or not os.access(tmp_file, os.W_OK):
        return f"Could not load {link_file}"

    with open(tmp_file, "a") as f:
        f.write(format_text(text))
    if not oc.put_file(link_file, tmp_file):
        os.remove(tmp_file)
        return f"Could not save {link_file}"
    os.remove(tmp_file)
    return "saved message"

def format_text(text):
    now = datetime.now().strftime("%d.%m.%Y")
    return f"- {now}: {text}\n"

def text_command(update: Update, context: CallbackContext):
    text = update.message.text
    logging.info("got '"+text+"'")
    result = append_to_nc_file(text)
    logger.info(result)
    if result != "saved message":
        update.message.reply_text(result)

def main():
    updater = Updater(telegram_token, use_context=True)
    dispatcher = updater.dispatcher
    dispatcher.add_handler(MessageHandler(Filters.text & ~Filters.command, text_command))
    updater.start_polling()
    updater.idle()

if __name__ == '__main__':
    main()