def test_delete(self):
"""
Ensure that ``delete`` works properly.
"""
thumbnail = images.create(self.source_name, 'small',
self.metadata_backend, self.storage_backend)
images.delete(self.source_name, 'small', self.metadata_backend,
self.storage_backend)
self.assertFalse(self.storage_backend.exists(thumbnail.name))
self.assertEqual(
self.metadata_backend.get_thumbnail(self.source_name, 'small'),
None)
# key with format is not defined in settings anymore
thumbnail = images.create(self.source_name, 'source_with_format',
self.metadata_backend, self.storage_backend)
thumbnail_size_data = {
'small': {
'PROCESSORS': [{
'PATH': 'thumbnails.processors.resize',
'width': 10,
'height': 10
}]
},
}
with patch('thumbnails.images.conf.SIZES', thumbnail_size_data):
# ensure error not happening, and its files and metadata are still removed
images.delete(self.source_name, 'source_with_format',
self.metadata_backend, self.storage_backend)
self.assertFalse(self.storage_backend.exists(thumbnail.name))
self.assertIsNone(
self.metadata_backend.get_thumbnail(self.source_name,
'source_with_format'))
def test_delete_with_no_thumbnails_file(self):
avatar_path = self.instance.avatar.path
avatar_folder = os.path.join(
self.instance.avatar.storage.temporary_location, conf.BASE_DIR,
'avatars')
self.assertTrue(os.path.exists(avatar_path))
self.instance.avatar.thumbnails.small
size = 'small'
thumbnail_name = os.path.basename(
images.get_thumbnail_name(self.instance.avatar.name, size))
thumbnail_path = os.path.join(avatar_folder, thumbnail_name)
self.assertTrue(os.path.exists(thumbnail_path))
# test delete non existence thumbnail file, should not raise error
os.remove(thumbnail_path)
self.assertFalse(os.path.exists(thumbnail_path))
images.delete(self.source_name, size, self.metadata_backend,
self.storage_backend)
# thumbnails and their metadata are also deleted
self.assertEqual(len(os.listdir(avatar_folder)), 0)
self.assertIsNone(
self.metadata_backend.get_thumbnail(self.source_name, size))
def test_delete(self):
"""
Ensure that ``delete`` works properly.
"""
thumbnail = images.create(self.source_name, 'small',
self.metadata_backend, self.storage_backend)
images.delete(self.source_name, 'small', self.metadata_backend,
self.storage_backend)
self.assertFalse(self.storage_backend.exists(thumbnail.name))
self.assertEqual(
self.metadata_backend.get_thumbnail(self.source_name, 'small'),
None)
def test_delete(self):
"""
Ensure that ``delete`` works properly.
"""
thumbnail = images.create(self.source_name, 'small',
self.metadata_backend, self.storage_backend)
images.delete(self.source_name, 'small',
self.metadata_backend, self.storage_backend)
self.assertFalse(self.storage_backend.exists(thumbnail.name))
self.assertEqual(
self.metadata_backend.get_thumbnail(self.source_name, 'small'),
None
)
def handle(self, path_to_model, field_name, size, *args, **kwargs):
if not path_to_model:
raise ValueError('--model argument is required')
if not field_name:
raise ValueError('--field argument is required')
if not size:
raise ValueError('--size argument is required')
app_label, model_name = path_to_model.rsplit('.', 1)
model = apps.get_model(app_label, model_name)
# Get model instances which has non empty fields
exclude_args = {'%s__isnull' % field_name: True, field_name: ''}
instances = model.objects.exclude(**exclude_args)
metadata_backend = metadata.get_backend()
for instance in instances:
field = getattr(instance, field_name)
images.delete(field.name, size, metadata_backend,
field.thumbnails.storage)
def handle(self, path_to_model, field_name, size, *args, **kwargs):
if not path_to_model:
raise ValueError('--model argument is required')
if not field_name:
raise ValueError('--field argument is required')
if not size:
raise ValueError('--size argument is required')
app_label, model_name = path_to_model.rsplit('.', 1)
model = get_model(app_label, model_name)
# Get model instances which has non empty fields
exclude_args = {
'%s__isnull' % field_name: True,
field_name: ''
}
instances = model.objects.exclude(**exclude_args)
metadata_backend = metadata.get_backend()
storage_backend = storage.get_backend()
for instance in instances:
field = getattr(instance, field_name)
images.delete(field.name, size, metadata_backend, storage_backend)
