def thumbnail_created_callback(sender, **kwargs):
try:
file_path = sender.path
file_webp_path = file_path.rsplit('.', 1)[0] + ".webp"
webp.save_image(Image.open(file_path), file_webp_path, quality=80)
except:
pass
def test_greyscale_save_image(self):
width = 256
height = 64
img1 = Image.new('L', (width, height))
with TemporaryDirectory() as tmpdir:
file_name = os.path.join(tmpdir, 'image.webp')
with pytest.raises(webp.WebPError) as ex_info:
webp.save_image(img1, file_name)
assert str(ex_info.value) == 'unsupported image mode: L'
def test_greyscale_save_image(self):
width = 256
height = 64
img1 = Image.new('P', (width, height))
with TemporaryDirectory() as tmpdir:
file_name = os.path.join(tmpdir, 'image.webp')
with self.assertRaises(webp.WebPError) as context:
webp.save_image(img1, file_name)
self.assertEqual(str(context.exception),
'unsupported image mode: P')
def to_webp_optimized(field, width, height):
# Using PIL to open the image and then resizing it
img = Image.open(field)
resized_img = resize_img(img, width, height)
# Getting the file path we want to save the webp image to and setting the right extension
file_path = change_extension_of_path(path=field.path, extension=".webp")
# Using webp module to convert and save the image
webp.save_image(resized_img, file_path, quality=70)
# Save image to cloudinary and return the url
return save_to_cloudinary(file_path)['secure_url']
def test_image_palette_opaque(self, image_bars_palette_opaque):
with TemporaryDirectory() as tmpdir:
file_name = os.path.join(tmpdir, 'image.webp')
assert image_bars_palette_opaque.mode == 'P'
webp.save_image(image_bars_palette_opaque, file_name, lossless=True)
dec_img = webp.load_image(file_name, 'RGB')
actual = np.asarray(dec_img, dtype=np.uint8)
image_bars_rgb = image_bars_palette_opaque.convert('RGB')
expected = np.asarray(image_bars_rgb, dtype=np.uint8)
assert_array_equal(actual, expected)
def handle(self, *args, **options):
for relative_root, dirs, files in os.walk(
os.path.join(settings.STATIC_ROOT, 'images')):
for file_ in files:
if '.png' in file_ or '.jpg' in file_ or '.gif' in file_:
try:
file_path = os.path.join(relative_root, file_)
file_webp_path = file_path.rsplit('.', 1)[0] + ".webp"
print(file_path)
webp.save_image(Image.open(file_path),
file_webp_path,
quality=80)
except:
pass
def test_image_simple(self):
width = 256
height = 64
img = Image.new('RGB', (width, height))
draw = ImageDraw.Draw(img)
draw.rectangle([0, 0, width-1, height-1], fill=(0, 0, 255))
draw.rectangle([0, 0, (width/4-1), height-1], fill=(255, 0, 0))
with TemporaryDirectory() as tmpdir:
file_name = os.path.join(tmpdir, 'image.webp')
webp.save_image(img, file_name, lossless=True)
dec_img = webp.load_image(file_name, 'RGB')
actual = np.asarray(dec_img, dtype=np.uint8)
expected = np.asarray(img, dtype=np.uint8)
assert_array_equal(actual, expected)