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# -*- coding: utf-8 -*-
"""
Copyright (c) 2014 Andrey Kolpakov - MIT License (MIT)
https://github.com/akolpakov/django-unused-media
"""
import os
from django.conf import settings
from django.core.management.base import BaseCommand
from ishtar_common.utils import get_unused_media
from ishtar_common.utils import remove_empty_dirs
class Command(BaseCommand):
help = "Clean unused media files which have no reference in models"
# verbosity
# 0 means minimal output
# 1 means normal output (default).
# 2 means verbose output
verbosity = 1
def add_arguments(self, parser):
parser.add_argument('--noinput', '--no-input',
dest='interactive',
action='store_false',
default=True,
help='Do not ask confirmation')
parser.add_argument('-e', '--exclude',
dest='exclude',
action='append',
default=[],
help='Exclude files by mask (only * is supported), can use multiple --exclude')
parser.add_argument('--remove-empty-dirs',
dest='remove_empty_dirs',
action='store_false',
default=False,
help='Remove empty dirs after files cleanup')
parser.add_argument('-n', '--dry-run',
dest='dry_run',
action='store_true',
default=False,
help='Dry run without any affect on your data')
def info(self, message):
if self.verbosity >= 0:
self.stdout.write(message)
def debug(self, message):
if self.verbosity >= 1:
self.stdout.write(message)
def _show_files_to_delete(self, unused_media):
self.debug('Files to remove:')
for f in unused_media:
self.debug(f)
self.info('Total files will be removed: {}'.format(len(unused_media)))
def handle(self, *args, **options):
if 'verbosity' in options:
self.verbosity = options['verbosity']
unused_media = get_unused_media(options.get('exclude') or [])
if not unused_media:
self.info('Nothing to delete. Exit')
return
if options.get('dry_run'):
self._show_files_to_delete(unused_media)
self.info('Dry run. Exit.')
return
if options.get('interactive'):
self._show_files_to_delete(unused_media)
# ask user
question = 'Are you sure you want to remove {} unused files? (y/N)'.format(len(unused_media))
if input(question).upper() != 'Y':
self.info('Interrupted by user. Exit.')
return
for f in unused_media:
self.debug('Remove %s' % f)
os.remove(os.path.join(settings.MEDIA_ROOT, f))
if options.get('remove_empty_dirs'):
remove_empty_dirs()
self.info('Done. Total files removed: {}'.format(len(unused_media)))
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