def clear_imagekit_cache():
cache = get_cache()
cache.clear()
# Clear IMAGEKIT_CACHEFILE_DIR
cache_dir = os.path.join(settings.MEDIA_ROOT, settings.IMAGEKIT_CACHEFILE_DIR)
if os.path.exists(cache_dir):
shutil.rmtree(cache_dir)
def clear_imagekit_cache():
cache = get_cache()
cache.clear()
# Clear IMAGEKIT_CACHEFILE_DIR
cache_dir = os.path.join(settings.MEDIA_ROOT,
settings.IMAGEKIT_CACHEFILE_DIR)
if os.path.exists(cache_dir):
shutil.rmtree(cache_dir)
def auto_delete_file_on_change(sender, instance, **kwargs):
"""
Deletes old file from filesystem
when corresponding Delegate object is updated
with new file.
"""
if not instance.pk:
return False
try:
old_file = Delegate.objects.get(pk=instance.pk).photo
except Delegate.DoesNotExist:
return False
# Check if photo changed
new_file = instance.photo
if not old_file == new_file:
old_instance = Delegate.objects.get(pk=instance.pk)
# Delete thumbnails
for field in ['photo_thumbnail', 'photo_print']:
field = getattr(old_instance, field)
try:
file = field.file
except FileNotFoundError:
pass
else:
cache_backend = field.cachefile_backend
cache_backend.cache.delete(cache_backend.get_key(file))
field.storage.delete(file.name)
# Delete original photo
old_instance.photo.delete(save=False)
# Clear cache
# necessary because the name of the thumbnails change
# and the cache still points to the old (and now deleted) photos
get_cache().clear()
def delete_image_kit_image_field(image_kit_field):
# ImageKit has a bug where files are cached and not deleted right away
# https://github.com/matthewwithanm/django-imagekit/issues/229#issuecomment-315690575
if not image_kit_field:
return
try:
file = image_kit_field.file
except FileNotFoundError:
pass
else:
cache = get_cache()
cache.delete(cache.get(file))
image_kit_field.storage.delete(file.name)
image_kit_field.delete()
def clear_imagekit_cache_img_profile(user, pk):
# def clear_imagekit_cache_img_profile(pk):
print('resize.py 왔다.')
SETTINGS_MODULE = os.environ.get('DJANGO_SETTINGS_MODULE')
if SETTINGS_MODULE == 'config.settings':
cache = get_cache()
cache.clear()
# Clear IMAGEKIT_CACHEFILE_DIR
cache_dir = os.path.join(settings.MEDIA_ROOT,
settings.IMAGEKIT_CACHEFILE_DIR)
img_profile_dir = os.path.join(cache_dir,
f'user/user_{pk}/img_profile')
if os.path.exists(img_profile_dir):
shutil.rmtree(img_profile_dir)
else:
# 1) User = get_user_model()
# user = User.objects.get(pk=pk)
# -> "AUTH_USER_MODEL refers to model '%s' that has not been installed" % settings.AUTH_USER_MODEL
# django.core.exceptions.ImproperlyConfigured: AUTH_USER_MODEL refers to model 'members.User'
# that has not been installed
# 2) AUTH_USER_MODEL
# user = get_object_or_404(settings.AUTH_USER_MODEL, pk=pk)
# -> { "detail": "찾을 수 없습니다." }
# 404 Not Found
# 3) def clear_imagekit_cache_img_profile(user, pk):
# -> user를 parameter로 전달받음.
s3 = boto3.resource('s3')
if user.images.img_profile_28:
file_path_1 = 'media/' + user.images.img_profile_28.name
print(f'file_path_1: {file_path_1}')
print(type(file_path_1))
# response = s3.Object('s3-finn-project', file_path_1).delete()
# print(response)
if user.images.img_profile_225:
file_path_2 = 'media/' + user.images.img_profile_225.name
print(f'file_path_2: {file_path_2}')
print(type(file_path_2))
def delete_file_field(filefield):
if not filefield:
return
try:
file = filefield.file
except FileNotFoundError:
pass
else:
if isinstance(filefield.field, ProcessedImageField):
# ImageKit has a bug where files are cached and not deleted right away
# https://github.com/matthewwithanm/django-imagekit/issues/229#issuecomment-315690575
cache = get_cache()
cache.delete(cache.get(file))
filefield.storage.delete(file.name)
def handle(self, *args, **options):
from imagekit.utils import get_cache
cache = get_cache()
cache.clear()
