def _process(self):
f = request.files['logo']
try:
img = Image.open(f)
except IOError:
flash(_('You cannot upload this file as a 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 logo 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')
image_bytes = BytesIO()
img.save(image_bytes, 'PNG')
image_bytes.seek(0)
content = image_bytes.read()
self.event.logo = content
self.event.logo_metadata = {
'hash': crc32(content),
'size': len(content),
'filename': os.path.splitext(secure_filename(f.filename, 'logo'))[0] + '.png',
'content_type': 'image/png'
}
flash(_('New logo saved'), 'success')
logger.info("New logo '%s' uploaded by %s (%s)", f.filename, session.user, self.event)
return jsonify_data(content=get_logo_data(self.event))
def _process(self):
f = request.files['logo']
try:
img = Image.open(f)
except IOError:
flash(_('You cannot upload this file as a 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 logo 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')
image_bytes = BytesIO()
img.save(image_bytes, 'PNG')
image_bytes.seek(0)
content = image_bytes.read()
self.event_new.logo = content
self.event_new.logo_metadata = {
'hash': crc32(content),
'size': len(content),
'filename':
os.path.splitext(secure_filename(f.filename, 'logo'))[0] + '.png',
'content_type': 'image/png'
}
flash(_('New logo saved'), 'success')
logger.info("New logo '%s' uploaded by %s (%s)", f.filename,
session.user, self.event_new)
return jsonify_data(content=get_logo_data(self.event_new))