quivr/backend/logger.py

import logging
from logging.handlers import RotatingFileHandler

from colorlog import (
    ColoredFormatter,
)  # You need to install this package: pip install colorlog


def get_logger(logger_name, log_level=logging.INFO, log_file="application.log"):
    logger = logging.getLogger(logger_name)
    logger.setLevel(log_level)
    logger.propagate = False  # Prevent log propagation to avoid double logging

    formatter = logging.Formatter(
        "[%(levelname)s] %(name)s [%(filename)s:%(lineno)d]: %(message)s"
    )

    color_formatter = ColoredFormatter(
        "%(log_color)s[%(levelname)s]%(reset)s %(name)s [%(filename)s:%(lineno)d]: %(message)s",
        log_colors={
            "DEBUG": "cyan",
            "INFO": "green",
            "WARNING": "yellow",
            "ERROR": "red",
            "CRITICAL": "red,bg_white",
        },
        reset=True,
        style="%",
    )

    console_handler = logging.StreamHandler()
    console_handler.setFormatter(color_formatter)

    file_handler = RotatingFileHandler(
        log_file, maxBytes=5000000, backupCount=5
    )  # 5MB file
    file_handler.setFormatter(formatter)

    if not logger.handlers:
        logger.addHandler(console_handler)
        logger.addHandler(file_handler)

    return logger