def process_image(image_tag):
name = get_filename(image_tag['src'])
global i, image_nr
i = i + 1
complete = floor(100.0 * i / image_nr)
print(f'[STEP] Getting data for image {name:s}\n[PROGRESS] {complete:d}')
# Force absolute URLs.
image_tag['src'] = urljoin(siteurl, image_tag['src'])
# Get image size.
image = urlopen(image_tag['src'], context=sslctx)
image_res = Image.open(image)
return {
'name': name,
'src': image_tag['src'],
'alt': image_tag['alt'],
'width': image_res.size[0],
'height': image_res.size[1],
'format': image_res.format,
'size': image.headers['content-length'],
'brightness': get_brightness(image_res)
}
def test_no_path(self):
path = None
with self.assertRaises(TypeError) as cm:
luminosity.get_brightness(path)
self.assertEqual(cm.exception.message, "File path must be provided.")
def test_gif(self):
path = os.path.join(self.fixtures_path, 'aguilera.gif')
self.assertEqual(luminosity.get_brightness(path), 43.562)
def test_not_image(self):
path = __file__
with self.assertRaises(IOError):
luminosity.get_brightness(path)
def test_unreadable(self):
path = os.path.join(self.fixtures_path, 'nonsense.png')
with self.assertRaises(IOError):
luminosity.get_brightness(path)
def test_blue(self):
path = os.path.join(self.fixtures_path, 'blue.png')
self.assertEqual(luminosity.get_brightness(path), 18.411)
path = os.path.join(self.fixtures_path, 'blue_with_transparency.png')
self.assertEqual(luminosity.get_brightness(path), 18.411)
def test_green(self):
path = os.path.join(self.fixtures_path, 'green.png')
self.assertEqual(luminosity.get_brightness(path), 182.376)
path = os.path.join(self.fixtures_path, 'green_with_transparency.png')
self.assertEqual(luminosity.get_brightness(path), 182.376)
def test_red(self):
path = os.path.join(self.fixtures_path, 'red.png')
self.assertEqual(luminosity.get_brightness(path), 54.213)
path = os.path.join(self.fixtures_path, 'red_with_transparency.png')
self.assertEqual(luminosity.get_brightness(path), 54.213)
def test_transparent(self):
path = os.path.join(self.fixtures_path, 'transparent.png')
self.assertEqual(luminosity.get_brightness(path), 0.0)
def test_black(self):
path = os.path.join(self.fixtures_path, 'black.png')
self.assertEqual(luminosity.get_brightness(path), 0.0)
path = os.path.join(self.fixtures_path, 'black_with_transparency.png')
self.assertEqual(luminosity.get_brightness(path), 0.0)
def test_white(self):
path = os.path.join(self.fixtures_path, 'white.png')
self.assertEqual(luminosity.get_brightness(path), 255.0)
path = os.path.join(self.fixtures_path, 'white_with_transparency.png')
self.assertEqual(luminosity.get_brightness(path), 255.0)