Telegram handler for python logging

log_to_telegram.py

import logging
from telegram_handler import TelegramError

CHATID = 1234567
APITOKEN = "1111111:EPORIWOIRPWEIRERPIPOIWER"
TG_TIMEOUT = 10
TAGLINE = "EG4 Monitor"

FORMAT = "%(asctime)s %(funcName)-12s %(levelname)-7s %(message)s"
logging.basicConfig(format=FORMAT, level="INFO")

tg = TelegramError(CHATID, APITOKEN, TG_TIMEOUT, TAGLINE)
tg.setLevel(logging.ERROR)

_LOGGER = logging.getLogger(__name__)
_LOGGER.addHandler(tg)

def main() -> None:
	_LOGGER.info("hello")
	_LOGGER.warning("This is a warning")

  # This will be sent to telegram and stdout
  _LOGGER.error("Ahhh! Error!!")

if __name__ == "__main__":
	main()
 

telegram_handler.py

import logging

import requests

_LOGGER = logging.getLogger(__name__)

#
# Telegram Error handler
#
class TelegramError(logging.Handler):

	def __init__(self, chatid: int, token: str, timeout: int, tag: str) -> None:

		self.chatid = chatid
		self.apitoken = token
		self.timeout = timeout
		self.tag = tag
		self.session = requests.Session()
		super().__init__()


	def emit(self, record: logging.LogRecord) -> None:

		msg = f"<b>-- {self.tag} --</b>\n" + record.getMessage()
		botUrl = (
			f"https://api.telegram.org/bot{self.apitoken}/sendMessage?"
			f"chat_id={self.chatid}&text={msg}&parse_mode=HTML"
		)

		response = self.session.get(botUrl, timeout=self.timeout)
		if not response.ok:
			_LOGGER.warning(f"Telegram log dispatching failed with status code '{response.status_code}'")
			_LOGGER.warning(f"Response is: '{response.text}'")


	def __del__(self) -> None:
		self.session.close()