metrics_evaluation/utils/logging_config.py

"""Logging configuration for evaluation."""

import logging
import sys
from pathlib import Path


def setup_logging(log_file: Path | None = None, level: int = logging.INFO) -> None:
    """Set up logging configuration.

    Args:
        log_file: Optional path to log file
        level: Logging level
    """
    # Create formatters
    detailed_formatter = logging.Formatter(
        "%(asctime)s - %(name)s - %(levelname)s - %(message)s",
        datefmt="%Y-%m-%d %H:%M:%S"
    )

    simple_formatter = logging.Formatter(
        "%(levelname)s: %(message)s"
    )

    # Get root logger
    logger = logging.getLogger()
    logger.setLevel(level)

    # Remove existing handlers
    logger.handlers.clear()

    # Console handler
    console_handler = logging.StreamHandler(sys.stdout)
    console_handler.setLevel(level)
    console_handler.setFormatter(simple_formatter)
    logger.addHandler(console_handler)

    # File handler
    if log_file:
        log_file.parent.mkdir(parents=True, exist_ok=True)
        file_handler = logging.FileHandler(log_file, mode="w")
        file_handler.setLevel(logging.DEBUG)
        file_handler.setFormatter(detailed_formatter)
        logger.addHandler(file_handler)