delete_old_file.py

#!/usr/bin/env python3
# Service script for TorrentBox to periodically deletes files from a directory.
# Use systemctl to init a service.
import os
from datetime import datetime
import logging

logging.basicConfig(
    filename="delete_service.log",
    format="%(asctime)s %(levelname)-8s %(message)s",
    datefmt="%d-%m-%Y %H:%M:%S",
    encoding="utf-8",
    level=logging.DEBUG,
)


def run(path="/path/to/downloads", exceptions=None, max_days=10):
    """
    Args:
        path (str, optional): Path to scan for deletion.
        exceptions (list, optional): List of directory paths to be excempted.
        max_days (int, optional): Number of days.
    """
    if exceptions is None:
        exceptions = []
    logging.info("Service started...")
    del_size, del_count = 0, 0
    try:
        for root, _, files in os.walk(path, topdown=False):
            for name in files:
                file_path = os.path.join(root, name)
                if not any(
                    map(file_path.__contains__, exceptions)
                ) and not file_path.endswith(".!qb"):
                    modified_time = datetime.fromtimestamp(os.path.getmtime(file_path))
                    today = datetime.today()
                    file_age = today - modified_time
                    if file_age.days >= max_days:
                        file_size = os.path.getsize(file_path)
                        os.remove(file_path)
                        del_count += 1
                        del_size += file_size
                        log_string = f"Deleted '{file_path}', Modified on \
                                '{modified_time:%d-%m-%Y %H:%M}', of \
                                    size '{file_size} bytes'"
                        logging.debug(log_string)
        logging.info(
            "Service finished. Deleted %s files of %s bytes",
            str(del_count),
            str(del_size),
        )
    # skipcq: PYL-W0703
    except Exception as _err:
        logging.error("Service interrupted. %s", _err)
        logging.error(
            "Deleted %s files of %s bytes until error.", str(del_count), str(del_size)
        )


if __name__ == "__main__":
    run(
        path="/mnt/Downloads",
        exceptions=["/mnt/Downloads/script", "/mnt/Downloads/qbittorrent"],
        max_days=10,
    )