def create_thumbnail(file_path):
thumbnail_filename = utils.get_thumb_filename(file_path)
thumbnail_format = utils.get_image_format(os.path.splitext(file_path)[1])
file_format = thumbnail_format.split('/')[1]
image = default_storage.open(file_path)
image = Image.open(image)
# Convert to RGB if necessary
# Thanks to Limodou on DjangoSnippets.org
# http://www.djangosnippets.org/snippets/20/
if image.mode not in ('L', 'RGB'):
image = image.convert('RGB')
# scale and crop to thumbnail
imagefit = ImageOps.fit(image, THUMBNAIL_SIZE, Image.ANTIALIAS)
thumbnail_io = BytesIO()
imagefit.save(thumbnail_io, format=file_format)
thumbnail = InMemoryUploadedFile(thumbnail_io, None, thumbnail_filename,
thumbnail_format,
len(thumbnail_io.getvalue()), None)
thumbnail.seek(0)
return default_storage.save(thumbnail_filename, thumbnail)
def create_thumbnail(file_path):
thumbnail_filename = utils.get_thumb_filename(file_path)
thumbnail_format = utils.get_image_format(os.path.splitext(file_path)[1])
file_format = thumbnail_format.split('/')[1]
image = default_storage.open(file_path)
image = Image.open(image)
# Convert to RGB if necessary
# Thanks to Limodou on DjangoSnippets.org
# http://www.djangosnippets.org/snippets/20/
if image.mode not in ('L', 'RGB'):
image = image.convert('RGB')
# scale and crop to thumbnail
imagefit = ImageOps.fit(image, THUMBNAIL_SIZE, Image.ANTIALIAS)
thumbnail_io = BytesIO()
imagefit.save(thumbnail_io, format=file_format)
thumbnail = InMemoryUploadedFile(
thumbnail_io,
None,
thumbnail_filename,
thumbnail_format,
len(thumbnail_io.getvalue()),
None)
thumbnail.seek(0)
return default_storage.save(thumbnail_filename, thumbnail)
def handle_noargs(self, **options):
if getattr(settings, 'CKEDITOR_IMAGE_BACKEND', None):
backend = get_backend()
for image in get_image_files():
if not os.path.isfile(get_thumb_filename(image)):
self.stdout.write("Creating thumbnail for {0}".format(image))
try:
backend.create_thumbnail(image)
except Exception as e:
self.stdout.write("Couldn't create thumbnail for {0}: {1}".format(image, e))
self.stdout.write("Finished")
else:
self.stdout.write("No thumbnail backend is enabled")
def get_image_browse_urls(user=None):
"""
Recursively walks all dirs under upload dir and generates a list of
thumbnail and full image URL's for each file found.
"""
images = []
for filename in get_image_files(user=user):
src = utils.get_media_url(filename)
if getattr(settings, 'CKEDITOR_IMAGE_BACKEND', None):
thumb = utils.get_media_url(utils.get_thumb_filename(filename))
else:
thumb = src
images.append({'thumb': thumb, 'src': src})
return images
def handle_noargs(self, **options):
if getattr(settings, 'CKEDITOR_IMAGE_BACKEND', None):
backend = get_backend()
for image in get_image_files():
if not os.path.isfile(get_thumb_filename(image)):
self.stdout.write(
"Creating thumbnail for {0}".format(image))
try:
backend.create_thumbnail(image)
except Exception as e:
self.stdout.write(
"Couldn't create thumbnail for {0}: {1}".format(
image, e))
self.stdout.write("Finished")
else:
self.stdout.write("No thumbnail backend is enabled")
def get_image_browse_urls(user=None):
"""
Recursively walks all dirs under upload dir and generates a list of
thumbnail and full image URL's for each file found.
"""
images = []
for filename in get_image_files(user=user):
src = utils.get_media_url(filename)
if getattr(settings, 'CKEDITOR_IMAGE_BACKEND', None):
thumb = utils.get_media_url(utils.get_thumb_filename(filename))
else:
thumb = src
images.append({
'thumb': thumb,
'src': src
})
return images
