Very simple script to remove all files in a folder based on expiration timestamp

remove_old.py

#!/usr/bin/env python

"""
Script to remove all folders in the given path that are older than 24H
"""

import os
import sys
import argparse
import datetime

_basedir = os.path.abspath(os.path.dirname(__file__))


def parser():
    parser = argparse.ArgumentParser(description='Script to delete all files in the specified path that match regexp timestamp')
    parser.add_argument("--path", required=True)

    args = parser.parse_args()
    return args

def remove_recurse(path):
    """
    Function to recursively remove all files and directories in the given path
    :param path: path of the directory to remove
    """
    dir_list = os.listdir(path)
    for item in dir_list:
        if os.path.isdir(item):
            remove_recurse(item)
        elif os.path.isfile(item):
            os.remove(item)


def delete_old():
    """
    Function to delete all old files / folders in the given path
    """
    args = parser()
    path = os.path.abspath(args.path)
    print "ROOT PATH : %s" % path
    now = datetime.datetime.utcnow()

    dir_list = os.listdir(path)
    for directory in dir_list:
        if os.path.isdir(os.path.join(path, directory)):
            timestamp = datetime.datetime.strptime(directory, "%Y-%m-%d-%H-%M-UTC")
            if directory.endswith('00-UTC'):
                print "This is a top of hour backup - MAX AGE is 1 day"
                if now - timestamp > datetime.timedelta(days=1):
                    print "%s is older than 1 day - REMOVING" % directory
                    try:
                        os.chdir(os.path.join(path, directory))
                        remove_recurse(os.path.join(path, directory))
                        os.rmdir(os.path.join(path, directory))
                        os.chdir(_basedir)
                    except:
                        print "Failed to remove %s" % directory
                else:
                    print "%s is younger than 1 day - KEEPING" % directory
            else:
                print "This is a 15min interval backup - MAX AGE is 12h"
                if now - timestamp > datetime.timedelta(hours=12):
                    print "%s is older than 12 hours - REMOVING" % directory
                    os.chdir(os.path.join(path, directory))
                    remove_recurse(os.path.join(path, directory))
                    os.rmdir(os.path.join(path, directory))
                    os.chdir(_basedir)
                else:
                    print "%s is young - KEEPING" % directory


if __name__ == '__main__':
    delete_old()