remove-old-files.py

   1 #!/usr/bin/env python
   2
   3 from __future__ import print_function
   4 import argparse
   5 from datetime import datetime, timedelta
   6 import os
   7
   8 if __name__ == '__main__':
   9     parser = argparse.ArgumentParser(description='Remove old files')
  10     parser.add_argument('-e', '--empty-dirs', action='store_true',
  11                         help='remove empty directories')
  12     parser.add_argument('-o', '--older', required=True, type=int,
  13                         help='remove files older than this (in days)')
  14     parser.add_argument('start_dir', help='start from this directory')
  15     args = parser.parse_args()
  16
  17     count = errors = size = 0
  18     now = datetime.now()
  19
  20     for dirpath, dirnames, filenames in os.walk(args.start_dir, topdown=False):
  21         has_newer_files = False
  22         for fname in filenames:
  23             file_path = os.path.join(dirpath, fname)
  24             file_modified = datetime.fromtimestamp(os.path.getmtime(file_path))
  25             if file_modified + timedelta(days=args.older) < now:
  26                 count += 1
  27                 size += os.path.getsize(file_path)
  28                 try:
  29                     os.remove(file_path)
  30                 except OSError:
  31                     errors += 1
  32             else:
  33                 has_newer_files = True
  34         if args.empty_dirs and not dirnames and not has_newer_files:
  35             count += 1
  36             try:
  37                 os.rmdir(dirpath)
  38             except OSError:
  39                 errors += 1
  40
  41     print("Removed {0:d} files/dirs, freed {1:d} bytes, {2:d} errors".format(
  42           count, size, errors))