def clean_dir()

in libs/libcommon/src/libcommon/storage.py [0:0]

• 35 lines of code
• 8 McCabe index (conditional complexity)

def clean_dir(root_folder: StrPath, expired_time_interval_seconds: int) -> None:
    """
    Delete temporary cache directories under a root folder.
    """
    logging.info(
        f"looking for all files and directories under {root_folder} to delete files with last accessed time before {expired_time_interval_seconds} seconds ago or is empty folder"
    )
    now = datetime.now().replace(tzinfo=None)
    errors = 0
    total_dirs = 0
    total_files = 0
    total_disappeared_paths = 0

    for root, _, files in os.walk(root_folder, topdown=False):
        try:
            for name in files:
                path = os.path.join(root, name)
                last_access_time_value = os.path.getatime(path)
                last_access_datetime = datetime.fromtimestamp(last_access_time_value).replace(tzinfo=None)
                if last_access_datetime + timedelta(seconds=expired_time_interval_seconds) <= now:
                    logging.info(f"deleting file {path=} {last_access_datetime=}")
                    os.remove(path)
                    total_files += 1
            try:
                os.rmdir(root)
                logging.info(f"deleting directory {root=} because it was empty")
                total_dirs += 1
            except OSError:
                pass  # Ignore non-empty directories
        except FileNotFoundError:
            logging.error(f"failed to delete {path=} because it has disappeared during the loop")
            total_disappeared_paths += 1
    if total_files:
        logging.info(f"clean_directory removed {total_files} files at the root of the cache directory.")
    if total_disappeared_paths:
        logging.info(
            f"clean_directory failed to delete {total_disappeared_paths} paths because they disappeared during the loop."
        )

    logging.info(f"clean_directory removed {total_dirs - errors} directories at the root of the cache directory.")