src/deep_package_detection/loggings.py

"""Logger initialization"""

import logging
import logging.config
from typing import Any, Optional


def config_logger(loglevel: int, log_file: Optional[str] = None) -> Any:
    """Initialize a custom logger"""
    handlers = {
        "console": {
            "class": "logging.StreamHandler",
            "formatter": "standard",
        },
    }
    if log_file:
        handlers["file"] = {
            "class": "logging.FileHandler",
            "formatter": "standard",
            "filename": log_file,
            "mode": "a",
        }
    default_logging_config = {
        "version": 1,
        "disable_existing_loggers": False,
        "formatters": {
            "standard": {
                "format": "%(asctime)s - [%(levelname)s] [%(name)s.%(funcName)s:%(lineno)d (%(process)d)] | %(message)s",
                "datefmt": "%Y-%m-%d %H:%M:%S",
            },
        },
        "handlers": handlers,
        "root": {
            "handlers": list(handlers.keys()),
            "level": loglevel,
        },
    }
    logging.config.dictConfig(default_logging_config)