def _process_POST(self):
f = request.files[self.IMAGE_TYPE]
try:
img = Image.open(f)
except IOError:
flash(_('You cannot upload this file as an icon/logo.'), 'error')
return jsonify_data(content=None)
if img.format.lower() not in {'jpeg', 'png', 'gif'}:
flash(_('The file has an invalid format ({format})').format(format=img.format), 'error')
return jsonify_data(content=None)
if img.mode == 'CMYK':
flash(_('The image you uploaded is using the CMYK colorspace and has been converted to RGB. '
'Please check if the colors are correct and convert it manually if necessary.'), 'warning')
img = img.convert('RGB')
img = self._resize(img)
image_bytes = BytesIO()
img.save(image_bytes, 'PNG')
image_bytes.seek(0)
content = image_bytes.read()
metadata = {
'hash': crc32(content),
'size': len(content),
'filename': os.path.splitext(secure_filename(f.filename, self.IMAGE_TYPE))[0] + '.png',
'content_type': 'image/png'
}
self._set_image(content, metadata)
flash(self.SAVED_FLASH_MSG, 'success')
logger.info("New {} '%s' uploaded by %s (%s)".format(self.IMAGE_TYPE), f.filename, session.user, self.category)
return jsonify_data(content=get_image_data(self.IMAGE_TYPE, self.category))
def _process_POST(self):
f = request.files[self.IMAGE_TYPE]
try:
img = Image.open(f)
except IOError:
flash(_('You cannot upload this file as an icon/logo.'), 'error')
return jsonify_data(content=None)
if img.format.lower() not in {'jpeg', 'png', 'gif'}:
flash(_('The file has an invalid format ({format})').format(format=img.format), 'error')
return jsonify_data(content=None)
if img.mode == 'CMYK':
flash(_('The image you uploaded is using the CMYK colorspace and has been converted to RGB. '
'Please check if the colors are correct and convert it manually if necessary.'), 'warning')
img = img.convert('RGB')
img = self._resize(img)
image_bytes = BytesIO()
img.save(image_bytes, 'PNG')
image_bytes.seek(0)
content = image_bytes.read()
metadata = {
'hash': crc32(content),
'size': len(content),
'filename': os.path.splitext(secure_filename(f.filename, self.IMAGE_TYPE))[0] + '.png',
'content_type': 'image/png'
}
self._set_image(content, metadata)
flash(self.SAVED_FLASH_MSG, 'success')
logger.info("New {} '%s' uploaded by %s (%s)".format(self.IMAGE_TYPE), f.filename, session.user, self.category)
return jsonify_data(content=get_image_data(self.IMAGE_TYPE, self.category))
