일단 커밋. 오랫동안 커밋을 안해서 꼬였다.

리팩토리 중.

.venv/lib/python3.12/site-packages/image/models.py

@@ -0,0 +1,93 @@
+from django.core.files.storage import FileSystemStorage
+import os
+from django.db.models.signals import post_save, post_delete, pre_save
+from django.db.models.fields.files import FileField
+from django.core.exceptions import ObjectDoesNotExist, MultipleObjectsReturned
+
+from django.conf import settings as django_settings
+from image.storage import IMAGE_CACHE_STORAGE
+
+
+def safe_delete(path):
+    if isinstance(IMAGE_CACHE_STORAGE, FileSystemStorage):
+        full_path = os.path.join(IMAGE_CACHE_STORAGE.location, path)
+        if os.path.isdir(full_path):
+            os.rmdir(full_path)
+            return
+    IMAGE_CACHE_STORAGE.delete(path)
+
+
+def remove_directory(dir_path):
+    try:
+        # Since no all storages support exists for directories, we check for OSError
+        contents = IMAGE_CACHE_STORAGE.listdir(dir_path)
+    except OSError:
+        pass
+    else:
+        for directory in contents[0]:
+            safe_delete(os.path.join(dir_path, directory))
+        for filename in contents[1]:
+            safe_delete(os.path.join(dir_path, filename))
+
+    if IMAGE_CACHE_STORAGE.exists(dir_path):
+        # In some storages like amazon S3 there are no directories
+        safe_delete(dir_path)
+
+
+def remove_cache(image_path):
+    if image_path:
+        remove_directory(image_path)
+
+
+def prepare_image_cache_cleanup(sender, instance=None, **kwargs):
+    if instance is None:
+        return
+    instance.old_image_fields = {}
+
+    old_instance = None
+
+    for field in instance._meta.fields:
+        if isinstance(field, FileField):
+            if not old_instance:
+                try:
+                    old_instance = sender.objects.get(pk=instance.pk)
+                except (ObjectDoesNotExist, MultipleObjectsReturned):
+                    return
+
+            instance.old_image_fields[field.attname] = field.value_to_string(old_instance)
+
+
+def clear_prepared_image_cache_cleanup(sender, instance=None, created=False, **kwargs):
+    if created:
+        return
+    if instance is None:
+        return
+    for field in instance._meta.fields:
+        if isinstance(field, FileField):
+            if instance.old_image_fields[field.attname] != field.value_to_string(instance):
+                remove_cache(instance.old_image_fields[field.attname])
+
+
+def clear_image_cache(sender, instance, **kwargs):
+    for field in instance._meta.fields:
+        if isinstance(field, FileField):
+            remove_cache(field.value_to_string(instance))
+
+
+pre_save.connect(prepare_image_cache_cleanup)
+post_save.connect(clear_prepared_image_cache_cleanup)
+post_delete.connect(clear_image_cache)
+
+#reversion compatibility
+if 'reversion' in django_settings.INSTALLED_APPS:
+    try:
+        from reversion.models import pre_revision_commit, post_revision_commit
+
+        pre_revision_commit.connect(prepare_image_cache_cleanup)
+        post_revision_commit.connect(clear_prepared_image_cache_cleanup)
+    except ImportError:
+        pass
+
+# http://bakery-app01-static.s3.amazonaws.com/image/actuality/file0001116000079.jpg/image_token_73ff82d8ce1577a8a22f5a7d29a772a3ffc6e76c
+
+remove_directory('actuality/file0001116000079.jpg')