def load(self, buffer, extension):
self.extension = extension
if extension is None:
mime = self.get_mimetype(buffer)
self.extension = EXTENSION.get(mime, '.jpg')
if self.extension == '.svg':
buffer = self.convert_svg_to_png(buffer)
image_or_frames = self.create_image(buffer)
if METADATA_AVAILABLE:
try:
self.metadata = ImageMetadata.from_buffer(buffer)
self.metadata.read()
except Exception as e:
logger.error('Error reading image metadata: %s' % e)
if self.context.config.ALLOW_ANIMATED_GIFS and isinstance(
image_or_frames, (list, tuple)):
self.image = image_or_frames[0]
if len(image_or_frames) > 1:
self.multiple_engine = MultipleEngine(self)
for frame in image_or_frames:
self.multiple_engine.add_frame(frame)
self.wrap(self.multiple_engine)
else:
self.image = image_or_frames
if self.source_width is None:
self.source_width = self.size[0]
if self.source_height is None:
self.source_height = self.size[1]
def _read_image_metadata(img):
if HAS_PYEXIV2:
metadata = ImageMetadata.from_buffer(img)
metadata.read()
return metadata
else:
return {}
def load(self, buffer, extension):
self.extension = extension
if extension is None:
mime = self.get_mimetype(buffer)
self.extension = EXTENSION.get(mime, '.jpg')
if self.extension == '.svg':
buffer = self.convert_svg_to_png(buffer)
image_or_frames = self.create_image(buffer)
if METADATA_AVAILABLE:
try:
self.metadata = ImageMetadata.from_buffer(buffer)
self.metadata.read()
except Exception as e:
logger.error('Error reading image metadata: %s' % e)
if self.context.config.ALLOW_ANIMATED_GIFS and isinstance(
image_or_frames, (list, tuple)):
self.image = image_or_frames[0]
if len(image_or_frames) > 1:
self.multiple_engine = MultipleEngine(self)
for frame in image_or_frames:
self.multiple_engine.add_frame(frame)
self.wrap(self.multiple_engine)
else:
self.image = image_or_frames
if self.source_width is None:
self.source_width = self.size[0]
if self.source_height is None:
self.source_height = self.size[1]
def save(self, *args, **kwargs):
if self.pk == None: # Only do this when adding a new item
metadata = ImageMetadata.from_buffer(self.image.read(1024*1024)) # 1MB should be enough to get Exif tags
metadata.read()
self.date_taken = metadata['Exif.Photo.DateTimeOriginal'].value
super(Photo, self).save(*args, **kwargs) # Call the "real" save() method.
