From 45180c1f4f2e75b38b57d581f454b170ca68cfe1 Mon Sep 17 00:00:00 2001
From: Étienne Loks <etienne.loks@iggdrasil.net>
Date: Sun, 27 Jan 2019 13:21:12 +0100
Subject: Tools to manage media files.

* clean unused
* find missing
* rename and simplify
---
 .../management/commands/media_clean_unused.py      | 103 +++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 ishtar_common/management/commands/media_clean_unused.py

(limited to 'ishtar_common/management/commands/media_clean_unused.py')

diff --git a/ishtar_common/management/commands/media_clean_unused.py b/ishtar_common/management/commands/media_clean_unused.py
new file mode 100644
index 000000000..33237c1c7
--- /dev/null
+++ b/ishtar_common/management/commands/media_clean_unused.py
@@ -0,0 +1,103 @@
+# -*- coding: utf-8 -*-
+
+"""
+Copyright (c) 2014 Andrey Kolpakov - MIT License (MIT)
+https://github.com/akolpakov/django-unused-media
+"""
+
+import os
+
+import six.moves
+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 six.moves.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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