def test_16_image_process_format(self):
"""Test the format parameter of image_process."""
image = tools.base64_to_image(
tools.image_process(self.base64_1920x1080_jpeg,
output_format='PNG'))
self.assertEqual(image.format, 'PNG', "change format to PNG")
image = tools.base64_to_image(
tools.image_process(self.base64_1x1_png, output_format='JpEg'))
self.assertEqual(image.format, 'JPEG',
"change format to JPEG (case insensitive)")
image = tools.base64_to_image(
tools.image_process(self.base64_1920x1080_jpeg,
output_format='BMP'))
self.assertEqual(image.format, 'PNG',
"change format to BMP converted to PNG")
self.base64_image_1080_1920_rgba = tools.image_to_base64(
Image.new('RGBA', (108, 192)), 'PNG')
image = tools.base64_to_image(
tools.image_process(self.base64_image_1080_1920_rgba,
output_format='jpeg'))
self.assertEqual(image.format, 'JPEG',
"change format PNG with RGBA to JPEG")
# pass quality to force the image to be processed
self.base64_image_1080_1920_tiff = tools.image_to_base64(
Image.new('RGB', (108, 192)), 'TIFF')
image = tools.base64_to_image(
tools.image_process(self.base64_image_1080_1920_tiff, quality=95))
self.assertEqual(image.format, 'JPEG', "unsupported format to JPEG")
def test_12_image_process_verify_resolution(self):
"""Test the verify_resolution parameter of image_process."""
res = tools.image_process(self.base64_1920x1080_jpeg,
verify_resolution=True)
self.assertNotEqual(res, False, "size ok")
base64_image_excessive = tools.image_to_base64(
Image.new('RGB', (45001, 1000)), 'PNG')
with self.assertRaises(ValueError, msg="size excessive"):
tools.image_process(base64_image_excessive, verify_resolution=True)
def test_10_image_process_base64_source(self):
"""Test the base64_source parameter of image_process."""
wrong_base64 = b'oazdazpodazdpok'
self.assertFalse(tools.image_process(False),
"return False if base64_source is falsy")
self.assertEqual(tools.image_process(self.base64_svg), self.base64_svg,
"return base64_source if format is SVG")
# in the following tests, pass `quality` to force the processing
with self.assertRaises(
UserError,
msg=
"This file could not be decoded as an image file. Please try with a different file."
):
tools.image_process(wrong_base64, quality=95)
with self.assertRaises(
UserError,
msg=
"This file could not be decoded as an image file. Please try with a different file."
):
tools.image_process(b'oazdazpodazdpokd', quality=95)
image = tools.base64_to_image(
tools.image_process(self.base64_1920x1080_jpeg, quality=95))
self.assertEqual(image.size, (1920, 1080), "OK return the image")
# test that nothing happens if no operation has been requested
# (otherwise those would raise because of wrong base64)
self.assertEqual(tools.image_process(wrong_base64), wrong_base64)
self.assertEqual(tools.image_process(wrong_base64, size=False),
wrong_base64)
def test_11_image_process_size(self):
"""Test the size parameter of image_process."""
# Format of `tests`: (original base64 image, size parameter, expected result, text)
tests = [
(self.base64_1920x1080_jpeg, (192, 108), (192, 108),
"resize to given size"),
(self.base64_1920x1080_jpeg, (1920, 1080), (1920, 1080),
"same size, no change"),
(self.base64_1920x1080_jpeg, (192, None), (192, 108),
"set height from ratio"),
(self.base64_1920x1080_jpeg, (0, 108), (192, 108),
"set width from ratio"),
(self.base64_1920x1080_jpeg, (192, 200), (192, 108),
"adapt to width"),
(self.base64_1920x1080_jpeg, (400, 108), (192, 108),
"adapt to height"),
(self.base64_1920x1080_jpeg, (3000, 2000), (1920, 1080),
"don't resize above original, both set"),
(self.base64_1920x1080_jpeg, (3000, False), (1920, 1080),
"don't resize above original, width set"),
(self.base64_1920x1080_jpeg, (None, 2000), (1920, 1080),
"don't resize above original, height set"),
(self.base64_1080x1920_png, (3000, 192), (108, 192),
"vertical image, resize if below"),
]
count = 0
for test in tests:
image = tools.base64_to_image(
tools.image_process(test[0], size=test[1]))
self.assertEqual(image.size, test[2], test[3])
count = count + 1
self.assertEqual(count, 10, "ensure the loop is ran")
def attachment_update(self,
attachment,
name=None,
width=0,
height=0,
quality=0,
copy=False,
**kwargs):
if attachment.type == 'url':
raise UserError(
_("You cannot change the quality, the width or the name of an URL attachment."
))
if copy:
attachment = attachment.copy()
data = {}
if name:
data['name'] = name
try:
data['datas'] = tools.image_process(attachment.datas,
size=(width, height),
quality=quality)
except UserError:
pass # not an image
attachment.write(data)
return attachment._get_media_info()
def test_13_image_process_quality(self):
"""Test the quality parameter of image_process."""
# CASE: PNG RGBA doesn't apply quality, just optimize
image = tools.image_to_base64(Image.new('RGBA', (1080, 1920)), 'PNG')
res = tools.image_process(image)
self.assertLessEqual(len(res), len(image))
# CASE: PNG RGB doesn't apply quality, just optimize
image = tools.image_to_base64(Image.new('P', (1080, 1920)), 'PNG')
res = tools.image_process(image)
self.assertLessEqual(len(res), len(image))
# CASE: JPEG optimize + reduced quality
res = tools.image_process(self.base64_1920x1080_jpeg)
self.assertLessEqual(len(res), len(self.base64_1920x1080_jpeg))
# CASE: GIF doesn't apply quality, just optimize
image = tools.image_to_base64(Image.new('RGB', (1080, 1920)), 'GIF')
res = tools.image_process(image)
self.assertLessEqual(len(res), len(image))
def test_15_image_process_colorize(self):
"""Test the colorize parameter of image_process."""
# verify initial condition
image_rgba = Image.new('RGBA', (1, 1))
self.assertEqual(image_rgba.mode, 'RGBA')
self.assertEqual(image_rgba.getpixel((0, 0)), (0, 0, 0, 0))
base64_rgba = tools.image_to_base64(image_rgba, 'PNG')
# CASE: color random, color has changed
image = tools.base64_to_image(
tools.image_process(base64_rgba, colorize=True))
self.assertEqual(image.mode, 'RGB')
self.assertNotEqual(image.getpixel((0, 0)), (0, 0, 0))
def add_data(self,
name,
data,
quality=0,
width=0,
height=0,
res_id=False,
res_model='ir.ui.view',
filters=False,
**kwargs):
try:
data = tools.image_process(data,
size=(width, height),
quality=quality,
verify_resolution=True)
except UserError:
pass # not an image
attachment = self._attachment_create(name=name,
data=data,
res_id=res_id,
res_model=res_model,
filters=filters)
return attachment._get_media_info()
def _compute_logo_web(self):
for company in self:
company.logo_web = tools.image_process(
company.partner_id.image_1920, size=(180, 0))
def test_14_image_process_crop(self):
"""Test the crop parameter of image_process."""
# Optimized PNG use palette, getpixel below will return palette value.
fill = 0
bg = 1
# Format of `tests`: (original base64 image, size parameter, crop parameter, res size, res color (top, bottom, left, right), text)
tests = [
(self.base64_1920x1080_png, None, None, (1920, 1080),
(fill, fill, bg, bg), "horizontal, verify initial"),
(self.base64_1920x1080_png, (2000, 2000), 'center', (1080, 1080),
(fill, fill, fill, fill), "horizontal, crop biggest possible"),
(self.base64_1920x1080_png, (2000, 4000), 'center', (540, 1080),
(fill, fill, fill,
fill), "horizontal, size vertical, limit height"),
(self.base64_1920x1080_png, (4000, 2000), 'center', (1920, 960),
(fill, fill, bg, bg), "horizontal, size horizontal, limit width"),
(self.base64_1920x1080_png, (512, 512), 'center', (512, 512),
(fill, fill, fill, fill), "horizontal, type center"),
(self.base64_1920x1080_png, (512, 512), 'top', (512, 512),
(fill, fill, fill, fill), "horizontal, type top"),
(self.base64_1920x1080_png, (512, 512), 'bottom', (512, 512),
(fill, fill, fill, fill), "horizontal, type bottom"),
(self.base64_1920x1080_png, (512, 512), 'wrong', (512, 512),
(fill, fill, fill,
fill), "horizontal, wrong crop value, use center"),
(self.base64_1920x1080_png, (192, 0), None, (192, 108),
(fill, fill, bg, bg), "horizontal, not cropped, just do resize"),
(self.base64_1080x1920_png, None, None, (1080, 1920),
(bg, bg, fill, fill), "vertical, verify initial"),
(self.base64_1080x1920_png, (2000, 2000), 'center', (1080, 1080),
(fill, fill, fill, fill), "vertical, crop biggest possible"),
(self.base64_1080x1920_png, (2000, 4000), 'center', (960, 1920),
(bg, bg, fill, fill), "vertical, size vertical, limit height"),
(self.base64_1080x1920_png, (4000, 2000), 'center', (1080, 540),
(fill, fill, fill,
fill), "vertical, size horizontal, limit width"),
(self.base64_1080x1920_png, (512, 512), 'center', (512, 512),
(fill, fill, fill, fill), "vertical, type center"),
(self.base64_1080x1920_png, (512, 512), 'top', (512, 512),
(bg, fill, fill, fill), "vertical, type top"),
(self.base64_1080x1920_png, (512, 512), 'bottom', (512, 512),
(fill, bg, fill, fill), "vertical, type bottom"),
(self.base64_1080x1920_png, (512, 512), 'wrong', (512, 512),
(fill, fill, fill,
fill), "vertical, wrong crop value, use center"),
(self.base64_1080x1920_png, (108, 0), None, (108, 192),
(bg, bg, fill, fill), "vertical, not cropped, just do resize"),
]
count = 0
for test in tests:
count = count + 1
# process the image, pass quality to make sure the result is palette
image = tools.base64_to_image(
tools.image_process(test[0],
size=test[1],
crop=test[2],
quality=95))
# verify size
self.assertEqual(image.size, test[3],
"%s - correct size" % test[5])
half_width, half_height = image.size[0] / 2, image.size[1] / 2
top, bottom, left, right = 0, image.size[1] - 1, 0, image.size[
0] - 1
# verify top
px = (half_width, top)
self.assertEqual(
image.getpixel(px), test[4][0],
"%s - color top (%s, %s)" % (test[5], px[0], px[1]))
# verify bottom
px = (half_width, bottom)
self.assertEqual(
image.getpixel(px), test[4][1],
"%s - color bottom (%s, %s)" % (test[5], px[0], px[1]))
# verify left
px = (left, half_height)
self.assertEqual(
image.getpixel(px), test[4][2],
"%s - color left (%s, %s)" % (test[5], px[0], px[1]))
# verify right
px = (right, half_height)
self.assertEqual(
image.getpixel(px), test[4][3],
"%s - color right (%s, %s)" % (test[5], px[0], px[1]))
self.assertEqual(count, 2 * 9, "ensure the loop is ran")
def save_unsplash_url(self, unsplashurls=None, **kwargs):
"""
unsplashurls = {
image_id1: {
url: image_url,
download_url: download_url,
},
image_id2: {
url: image_url,
download_url: download_url,
},
.....
}
"""
def slugify(s):
''' Keeps only alphanumeric characters, hyphens and spaces from a string.
The string will also be truncated to 1024 characters max.
:param s: the string to be filtered
:return: the sanitized string
'''
return "".join([c for c in s
if c.isalnum() or c in list("- ")])[:1024]
if not unsplashurls:
return []
uploads = []
Attachments = request.env['ir.attachment']
query = kwargs.get('query', '')
query = slugify(query)
res_model = kwargs.get('res_model', 'ir.ui.view')
if res_model != 'ir.ui.view' and kwargs.get('res_id'):
res_id = int(kwargs['res_id'])
else:
res_id = None
for key, value in unsplashurls.items():
url = value.get('url')
try:
if not url.startswith('https://images.unsplash.com/'):
logger.exception("ERROR: Unknown Unsplash URL!: " + url)
raise Exception(_("ERROR: Unknown Unsplash URL!"))
req = requests.get(url)
if req.status_code != requests.codes.ok:
continue
# get mime-type of image url because unsplash url dosn't contains mime-types in url
image_base64 = base64.b64encode(req.content)
except requests.exceptions.ConnectionError as e:
logger.exception("Connection Error: " + str(e))
continue
except requests.exceptions.Timeout as e:
logger.exception("Timeout: " + str(e))
continue
image_base64 = tools.image_process(image_base64,
verify_resolution=True)
mimetype = guess_mimetype(base64.b64decode(image_base64))
# append image extension in name
query += mimetypes.guess_extension(mimetype) or ''
# /unsplash/5gR788gfd/lion
url_frags = ['unsplash', key, query]
attachment = Attachments.create({
'name': '_'.join(url_frags),
'url': '/' + '/'.join(url_frags),
'mimetype': mimetype,
'datas': image_base64,
'public': res_model == 'ir.ui.view',
'res_id': res_id,
'res_model': res_model,
})
attachment.generate_access_token()
uploads.append(attachment._get_media_info())
# Notifies Unsplash from an image download. (API requirement)
self._notify_download(value.get('download_url'))
return uploads
def resize_to_48(b64source):
if not b64source:
b64source = base64.b64encode(Binary().placeholder())
return image_process(b64source, size=(48, 48))