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import datetime
import signal
import sys
import logging
from os import getenv
from telegram.ext import Updater, CommandHandler, Job
from telegram import Update
from sheets_client import authenticate_and_fetch_sheets_data
chats_mem_cache = set()
def _signal_handler(sig, frame):
print("You pressed Ctrl+C!")
updater = frame.f_locals["updater"]
for chat_id in chats_mem_cache:
updater.bot.send_message(chat_id=chat_id, text="HommaBot-palvelin sammutettu!")
updater.stop()
sys.exit(0)
def _callback_alarm(context):
chat_id = context.job.context
logging.info(f"Authenticating and fetching data from Sheets...")
rows = authenticate_and_fetch_sheets_data()
logging.info(f"Sending sheet data to chat id {chat_id}...")
message = "\n".join(map(str, rows))
context.bot.send_message(chat_id=chat_id, text=message)
def _callback_timer(update: Update, context):
chat_id = update.message.chat_id
logging.info(f"Starting timer in chat id {chat_id}...")
update.message.reply_text(
"HommaBot startattu. Uusia hommapäivityksiä viikon välein."
)
chats_mem_cache.add(chat_id)
context.job_queue.run_repeating(
_callback_alarm,
datetime.timedelta(weeks=1),
context=chat_id,
)
def _stop_timer(update: Update, context):
chat_id = update.message.chat_id
logging.info(f"Stopping timer in chat id {chat_id}...")
update.message.reply_text("HommaBot pysäytetty!")
chats_mem_cache.remove(chat_id)
context.job_queue.stop()
def run_telegram():
tg_token = getenv("TELEGRAM_TOKEN")
logging.info("Creating Telegram bot object...")
updater = Updater(tg_token)
logging.info("Registering Telegram bot /start handler...")
updater.dispatcher.add_handler(
CommandHandler("start", _callback_timer, pass_job_queue=True)
)
logging.info("Registering Telegram bot /stop handler...")
updater.dispatcher.add_handler(
CommandHandler("stop", _stop_timer, pass_job_queue=True)
)
logging.info("Starting Telegram bot (HommaBot)...")
updater.start_polling()
logging.info("Registering SIGINT handler...")
signal.signal(signal.SIGINT, _signal_handler)
logging.info("Bot started successfully. Pausing main thread... (this is expected)")
signal.pause()
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