def handle(self, *args, **options):
print('Looking for resized fields')
for Model in apps.get_models():
print(' {}.{}'.format(Model._meta.app_label,
Model._meta.model_name))
resized_fields = []
for field in Model._meta.fields:
if isinstance(field, ResizedImageField):
resized_fields.append(field)
for field in resized_fields:
print(' ', field.name)
images = (Model.objects.filter(
**{
'{}__isnull'.format(field.name): False
}).exclude(**{
field.name: ''
}).values_list(field.name, flat=True))
for resolution in field.resolutions:
print(' resizing {} images to {}'.format(
len(images),
resolution,
))
for image in images:
try:
resize_image(field.storage.open(image), resolution)
except IOError:
print(' Image does not exist', image)
if options['fails']:
raise
print('Resizing complete')
def handle(self, *args, **options):
print('Looking for resized fields')
for Model in apps.get_models():
print(' {}.{}'.format(Model._meta.app_label, Model._meta.model_name))
resized_fields = []
for field in Model._meta.fields:
if isinstance(field, ResizedImageField):
resized_fields.append(field)
for field in resized_fields:
print(' ', field.name)
images = (
Model
.objects
.filter(**{'{}__isnull'.format(field.name): False})
.exclude(**{field.name: ''})
.values_list(field.name, flat=True)
)
for resolution in field.resolutions:
print(' resizing {} images to {}'.format(
len(images),
resolution,
))
for image in images:
try:
resize_image(field.storage.open(image), resolution)
except IOError:
print(' Image does not exist', image)
if options['fails']:
raise
print('Resizing complete')
def pre_save(self, *args, **kwargs):
file_object = super(ResizedImageField, self).pre_save(*args, **kwargs)
if file_object:
for resolution in self.resolutions:
resize_image(file_object, resolution)
return file_object
def pre_save(self, *args, **kwargs):
file_object = super(ResizedImageField, self).pre_save(*args, **kwargs)
if file_object:
for resolution in self.resolutions:
resize_image(file_object, resolution)
return file_object
def test_resize_imagefile(self):
f = ImageFile(self.get_image())
size = 100
resize_image(f, size=size, storage=default_storage)
img = self.get_resize(size)
self.assertEqual(img.size[0], 100)
self.assertEqual(img.size[1], 148)
def test_resize_crop(self):
f = self.get_image()
size = '100x100'
resize_image(f, size=size, storage=default_storage)
img = self.get_resize(size)
self.assertEqual(img.size[0], 100)
self.assertEqual(img.size[1], 100)
def test_resize_larger(self):
f = self.get_image()
size = '2000x2000'
resize_image(f, size=size, storage=default_storage)
img = self.get_resize(size)
self.assertEqual(img.size[0], 2000)
self.assertEqual(img.size[1], 2000)
def test_resize_imagefile(self):
f = ImageFile(self.get_image())
size = 100
resize_image(f, size=size, storage=default_storage)
img = self.get_resize(size)
self.assertEqual(img.size[0], 100)
self.assertEqual(img.size[1], 148)
def test_resize_crop(self):
f = self.get_image()
size = '100x100'
resize_image(f, size=size, storage=default_storage)
img = self.get_resize(size)
self.assertEqual(img.size[0], 100)
self.assertEqual(img.size[1], 100)
def test_resize_larger(self):
f = self.get_image()
size = '2000x2000'
resize_image(f, size=size, storage=default_storage)
img = self.get_resize(size)
self.assertEqual(img.size[0], 2000)
self.assertEqual(img.size[1], 2000)
def resize_static(img_path, size=100):
try:
return static(resize_image(
img_path,
size,
storage=get_storage_class(settings.STATICFILES_STORAGE)
))
except:
logger.error('Resize failed', exc_info=True)
return ''
def test_exif_rotation(self):
f1 = self.get_image('exif1.jpg')
resize_image(f1, size=100, storage=default_storage)
img1 = self.get_resize(100, 'exif1.jpg')
self.assertTrue(img1.size[0] < img1.size[1])
def test_exif_rotation(self):
f1 = self.get_image('exif1.jpg')
resize_image(f1, size=100, storage=default_storage)
img1 = self.get_resize(100, 'exif1.jpg')
self.assertTrue(img1.size[0] < img1.size[1])
def handle(self, *args, **options):
for image_path in args:
with open(os.path.abspath(image_path), 'rb') as image_file:
resize_image(image_file, options['resolution'], storage=None)
def resize(img_file, size=100):
try:
return resize_image(img_file, size)
except:
logger.error('Resize failed', exc_info=True)
return ''
