tuxbot-bot/tuxbot/logging.py

import logging.handlers
import logging
import pathlib
import sys

MAX_OLD_LOGS = 8
MAX_BYTES = 5_000_000


def init_logging(level: int, location: pathlib.Path) -> None:
    dpy_logger = logging.getLogger("discord")
    dpy_logger.setLevel(logging.WARN)
    dpy_logger_file = location / 'discord.log'

    base_logger = logging.getLogger("tuxbot")
    base_logger.setLevel(level)
    base_logger_file = location / 'tuxbot.log'

    formatter = logging.Formatter(
        "[{asctime}] [{levelname}] {name}: {message}",
        datefmt="%Y-%m-%d %H:%M:%S", style="{"
    )

    dpy_handler = logging.handlers.RotatingFileHandler(
        str(dpy_logger_file.resolve()),
        maxBytes=MAX_BYTES, backupCount=MAX_OLD_LOGS
    )
    base_handler = logging.handlers.RotatingFileHandler(
        str(base_logger_file.resolve()),
        maxBytes=MAX_BYTES, backupCount=MAX_OLD_LOGS
    )

    dpy_logger.addHandler(dpy_handler)
    base_logger.addHandler(base_handler)

    stdout_handler = logging.StreamHandler(sys.stdout)
    stdout_handler.setFormatter(formatter)
    base_logger.addHandler(stdout_handler)
    dpy_logger.addHandler(stdout_handler)