def rotate(self, angle):
image_field = self.file
_rotate(self.path(), angle)
name = self.path()
content = open(self.path())
if image_field.sizes:
for size in image_field.sizes:
(w,h) = size
split = name.rsplit('.',1)
thumb_name = '%s.%sx%s.%s' % (split[0],w,h,split[1])
# you can use another thumbnailing function if you like
thumb_content = generate_thumb(content, size, split[1])
if os.path.exists(thumb_name):
print 'rm', thumb_name
os.remove(thumb_name)
image_field.storage.save(thumb_name, thumb_content)
def handle(self, *args, **options):
thumb_fields = []
for content_type in ContentType.objects.all():
model = content_type.model_class()
if not model: # pragma: nocover
continue
for field in model._meta.fields:
if isinstance(field, ImageWithThumbsField):
thumb_fields.append((model, field))
for model, field in thumb_fields:
attname = field.get_attname()
for obj in model.objects.all():
image = getattr(obj, attname)
if not image.name:
continue
sizes_to_generate = []
storage = image.storage
if not storage.exists(image.name): # pragma: nocover
continue
for size in image.sizes:
width, height = size
thumb_name = get_thumb_name(image.name, width, height)
if not storage.exists(thumb_name):
sizes_to_generate.append(size)
if sizes_to_generate:
image_file = image.file
for size in sizes_to_generate:
width, height = size
thumb_content = generate_thumb(image_file, size)
thumb_name = get_thumb_name(image.name, width, height)
image.storage.save(thumb_name, thumb_content)