def export(self):
parts = self.format.split('.')
type = parts[-1].lower()
max_size = [int(x) for x in parts[0].split('x')] if len(parts) == 2 else None
self.metrics.merge({
'type': type,
'max_size_w': max_size[0],
'max_size_h': max_size[1],
})
try:
if self.ext in ['.psd']:
# silence warnings from psd-tools
# Warnings warn of outdated depedency that is a pain to install
# and about colors being possibly wrong
with warnings.catch_warnings():
warnings.simplefilter("ignore")
image = PSDImage.load(self.source_file_path).as_PIL()
else:
image = Image.open(self.source_file_path)
if max_size:
# resize the image to the w/h maximum specified
ratio = min(max_size[0] / image.size[0], max_size[1] / image.size[1])
self.metrics.add('ratio', ratio)
if ratio < 1:
image = image.resize((round(image.size[0] * ratio),
round(image.size[1] * ratio)), Image.ANTIALIAS)
# Mode 'P' is for paletted images. They must be converted to RGB before exporting to
# jpeg, otherwise Pillow will throw an error. This is a temporary workaround, as the
# conversion is imprecise and can be ugly.
# See: https://stackoverflow.com/q/21669657
if image.mode == 'P':
image = image.convert('RGB')
# handle transparency
# from https://github.com/python-pillow/Pillow/issues/2609
if image.mode in ('RGBA', 'RGBa', 'LA') and type in ['jpeg', 'jpg']:
# JPEG has no transparency, so anything that was transparent gets changed to
# EXPORT_BACKGROUND_COLOR. Default is white.
background = Image.new(image.mode[:-1], image.size, EXPORT_BACKGROUND_COLOR)
background.paste(image, image.split()[-1])
image = background
image.save(self.output_file_path, type)
image.close()
except (UnicodeDecodeError, IOError, FileNotFoundError, OSError) as err:
name, extension = os.path.splitext(os.path.split(self.source_file_path)[-1])
raise exceptions.PillowImageError(
'Unable to export the file as a {}, please check that the '
'file is a valid image.'.format(type),
export_format=type,
detected_format=imghdr.what(self.source_file_path),
original_exception=err,
code=400,
)
def export(self):
parts = self.format.split('.')
type = parts[-1].lower()
max_size = [int(x) for x in parts[0].split('x')] if len(parts) == 2 else None
self.metrics.merge({
'type': type,
'max_size_w': max_size[0],
'max_size_h': max_size[1],
})
try:
if self.ext in ['.psd']:
# silence warnings from psd-tools
# Warnings warn of outdated depedency that is a pain to install
# and about colors being possibly wrong
with warnings.catch_warnings():
warnings.simplefilter("ignore")
image = PSDImage.load(self.source_file_path).as_PIL()
else:
image = Image.open(self.source_file_path)
if max_size:
# resize the image to the w/h maximum specified
ratio = min(max_size[0] / image.size[0], max_size[1] / image.size[1])
self.metrics.add('ratio', ratio)
if ratio < 1:
image = image.resize((round(image.size[0] * ratio), round(image.size[1] * ratio)), Image.ANTIALIAS)
if type in ['jpeg', 'jpg']:
# handle transparency
image = image.convert('RGBA')
exported_image = Image.new("RGBA", image.size, (255, 255, 255))
exported_image.paste(image, image)
else:
exported_image = image
exported_image.save(self.output_file_path, type)
exported_image.close()
except (UnicodeDecodeError, IOError) as err:
name, extension = os.path.splitext(os.path.split(self.source_file_path)[-1])
raise exceptions.PillowImageError(
'Unable to export the file as a {}, please check that the '
'file is a valid image.'.format(type),
export_format=type,
detected_format=imghdr.what(self.source_file_path),
original_exception=err,
code=400,
)
def export(self):
parts = self.format.split('.')
type = parts[-1].lower()
max_size = [int(x)
for x in parts[0].split('x')] if len(parts) == 2 else None
self.metrics.merge({
'type': type,
'max_size_w': max_size[0],
'max_size_h': max_size[1],
})
try:
image = Image.open(self.source_file_path)
if max_size:
# resize the image to the w/h maximum specified
ratio = min(max_size[0] / image.size[0],
max_size[1] / image.size[1])
self.metrics.add('ratio', ratio)
if ratio < 1:
image = image.resize((round(
image.size[0] * ratio), round(image.size[1] * ratio)),
Image.ANTIALIAS)
if type in ['jpeg', 'jpg']:
# handle transparency
image = image.convert('RGBA')
exported_image = Image.new("RGBA", image.size, (255, 255, 255))
exported_image.paste(image, image)
else:
exported_image = image
exported_image.save(self.output_file_path, type)
exported_image.close()
except (UnicodeDecodeError, IOError) as err:
name, extension = os.path.splitext(
os.path.split(self.source_file_path)[-1])
raise exceptions.PillowImageError(
'Unable to export the file as a {}, please check that the '
'file is a valid image.'.format(type),
export_format=type,
detected_format=imghdr.what(self.source_file_path),
original_exception=err,
code=400,
)