def save(self, force_insert=False, force_update=False):
"""
Save the photo. Overrides the model's default ``save`` method
to save the original photo in various dimensions. Each size is
used in different parts of the site. The original photo is also
kept.
"""
super(Photo, self).save(force_insert, force_update)
self._set_orientation()
medium_size = Photo.MEDIUM_LANDSCAPE_SIZE
if not self.is_landscape:
medium_size = Photo.MEDIUM_PORTRAIT_SIZE
image_basename = '%s.jpg' % hashlib.sha1(str(self.id)).hexdigest()
im = Image.open(self.original.path)
# Workaround for a problem in the PIL JPEG library:
# http://mail.python.org/pipermail/image-sig/1999-August/000816.html.
ImageFile.MAXBLOCK = 1000000
image_presets = {
'medium': {
'field': self.medium,
'size': medium_size,
'upload_directory': Photo.MEDIUM_UPLOAD_DIRECTORY
},
'listing': {
'field': self.listing,
'size': Photo.LISTING_SIZE,
'upload_directory': Photo.LISTING_UPLOAD_DIRECTORY
},
'thumbnail': {
'field': self.thumbnail,
'size': Photo.THUMBNAIL_SIZE,
'upload_directory': Photo.THUMBNAIL_UPLOAD_DIRECTORY
},
}
for preset_name, preset in image_presets.items():
if preset_name == 'medium':
image = im
image.thumbnail(preset['size'], Image.ANTIALIAS)
else:
image = create_thumbnail(im, preset['size'])
image.save(os.path.join(settings.MEDIA_ROOT,
preset['upload_directory'],
image_basename),
format="JPEG",
quality=85,
optimize=True)
preset['file'] = os.path.join(preset['upload_directory'],
image_basename)
self.medium = image_presets['medium']['file']
self.listing = image_presets['listing']['file']
self.thumbnail = image_presets['thumbnail']['file']
super(Photo, self).save(force_insert, force_update)
def save(self, force_insert=False, force_update=False):
"""
Save the collection. Overrides the model's default ``save``
method to save the key photo for the collection at the correct
size.
"""
super(Collection, self).save(force_insert, force_update)
im = Image.open(self.key_photo.path)
if not im.size == Collection.KEY_PHOTO_SIZE:
image = create_thumbnail(im, Collection.KEY_PHOTO_SIZE)
image.save(self.key_photo.path, format="JPEG", quality=85,
optimize=True)
super(Collection, self).save(force_insert, force_update)
def save(self, force_insert=False, force_update=False):
"""
Save the collection. Overrides the model's default ``save``
method to save the key photo for the collection at the correct
size.
"""
super(Collection, self).save(force_insert, force_update)
im = Image.open(self.key_photo.path)
if not im.size == Collection.KEY_PHOTO_SIZE:
image = create_thumbnail(im, Collection.KEY_PHOTO_SIZE)
image.save(self.key_photo.path,
format="JPEG",
quality=85,
optimize=True)
super(Collection, self).save(force_insert, force_update)
def save(self, force_insert=False, force_update=False):
"""
Save the photo. Overrides the model's default ``save`` method
to save the original photo in various dimensions. Each size is
used in different parts of the site. The original photo is also
kept.
"""
super(Photo, self).save(force_insert, force_update)
self._set_orientation()
medium_size = Photo.MEDIUM_LANDSCAPE_SIZE
if not self.is_landscape:
medium_size = Photo.MEDIUM_PORTRAIT_SIZE
image_basename = '%s.jpg' % hashlib.sha1(str(self.id)).hexdigest()
im = Image.open(self.original.path)
# Workaround for a problem in the PIL JPEG library:
# http://mail.python.org/pipermail/image-sig/1999-August/000816.html.
ImageFile.MAXBLOCK = 1000000
image_presets = {
'medium': {'field': self.medium, 'size': medium_size,
'upload_directory': Photo.MEDIUM_UPLOAD_DIRECTORY},
'listing': {'field': self.listing, 'size': Photo.LISTING_SIZE,
'upload_directory': Photo.LISTING_UPLOAD_DIRECTORY},
'thumbnail': {'field': self.thumbnail, 'size': Photo.THUMBNAIL_SIZE,
'upload_directory': Photo.THUMBNAIL_UPLOAD_DIRECTORY},
}
for preset_name, preset in image_presets.items():
if preset_name == 'medium':
image = im
image.thumbnail(preset['size'], Image.ANTIALIAS)
else:
image = create_thumbnail(im, preset['size'])
image.save(os.path.join(settings.MEDIA_ROOT,
preset['upload_directory'], image_basename), format="JPEG",
quality=85, optimize=True)
preset['file'] = os.path.join(preset['upload_directory'],
image_basename)
self.medium = image_presets['medium']['file']
self.listing = image_presets['listing']['file']
self.thumbnail = image_presets['thumbnail']['file']
super(Photo, self).save(force_insert, force_update)
def save(self, force_insert=False, force_update=False):
"""
Save a thumbnail for the uploaded file. If it's an image the
thumbnail contains a crop of the image itself, framed within a
pretty border. Any file other than an image just gets a default
icon.
"""
# The file model object needs to be saved first before the file
# itself can be accessed.
super(File, self).save(force_insert, force_update)
# If the uploaded file is an image, create a thumbnail based on
# the image itself. If it's not an image, use the default
# thumbnail.
try:
# Open the uploaded image and create a thumbnail.
im = Image.open(self.item.path)
thumbnail_image = create_thumbnail(im, File.THUMBNAIL_SIZE)
thumbnail_basename = "%d.png" % self.id
# Create a new image the same size as the frame image, with
# the thumbnail centred within it.
image_frame = Image.open(
os.path.join(settings.MEDIA_ROOT, File.IMAGE_FRAME_FILE))
thumbnail_layer = Image.new('RGBA', image_frame.size)
vertical_pos = (image_frame.size[0] - thumbnail_image.size[0]) / 2
horizontal_pos = (image_frame.size[1] -
thumbnail_image.size[1]) / 2
thumbnail_layer.paste(thumbnail_image,
(vertical_pos, horizontal_pos))
# Layer the thumbnail underneath the frame image.
thumbnail = Image.composite(image_frame, thumbnail_layer,
image_frame)
thumbnail.save(os.path.join(settings.MEDIA_ROOT,
File.THUMBNAIL_UPLOAD_DIRECTORY,
thumbnail_basename),
format="PNG",
optimize=True)
self.thumbnail = os.path.join(File.THUMBNAIL_UPLOAD_DIRECTORY,
thumbnail_basename)
except IOError:
# The uploaded file isn't an image format supported by PIL.
self.thumbnail = File.DEFAULT_ICON_FILE
super(File, self).save(force_insert, force_update)
def save(self, force_insert=False, force_update=False):
"""
Save a thumbnail for the uploaded file. If it's an image the
thumbnail contains a crop of the image itself, framed within a
pretty border. Any file other than an image just gets a default
icon.
"""
# The file model object needs to be saved first before the file
# itself can be accessed.
super(File, self).save(force_insert, force_update)
# If the uploaded file is an image, create a thumbnail based on
# the image itself. If it's not an image, use the default
# thumbnail.
try:
# Open the uploaded image and create a thumbnail.
im = Image.open(self.item.path)
thumbnail_image = create_thumbnail(im, File.THUMBNAIL_SIZE)
thumbnail_basename = "%d.png" % self.id
# Create a new image the same size as the frame image, with
# the thumbnail centred within it.
image_frame = Image.open(os.path.join(settings.MEDIA_ROOT,
File.IMAGE_FRAME_FILE))
thumbnail_layer = Image.new('RGBA', image_frame.size)
vertical_pos = (image_frame.size[0] - thumbnail_image.size[0]) / 2
horizontal_pos = (image_frame.size[1] - thumbnail_image.size[1]) / 2
thumbnail_layer.paste(thumbnail_image, (vertical_pos,
horizontal_pos))
# Layer the thumbnail underneath the frame image.
thumbnail = Image.composite(image_frame, thumbnail_layer,
image_frame)
thumbnail.save(os.path.join(settings.MEDIA_ROOT,
File.THUMBNAIL_UPLOAD_DIRECTORY, thumbnail_basename),
format="PNG", optimize=True)
self.thumbnail = os.path.join(File.THUMBNAIL_UPLOAD_DIRECTORY,
thumbnail_basename)
except IOError:
# The uploaded file isn't an image format supported by PIL.
self.thumbnail = File.DEFAULT_ICON_FILE
super(File, self).save(force_insert, force_update)
