def __init__(self, file_, storage=None):
if not file_:
raise ThumbnailError('File is empty.')
# figure out name
if hasattr(file_, 'name'):
self.name = file_.name
else:
self.name = force_unicode(file_)
# figure out storage
if storage is not None:
self.storage = storage
elif hasattr(file_, 'storage'):
self.storage = file_.storage
elif url_pat.match(self.name):
self.storage = UrlStorage()
else:
self.storage = default_storage
if hasattr(self.storage, 'location'):
location = self.storage.location
if not self.storage.location.endswith("/"):
location += "/"
if self.name.startswith(location):
self.name = self.name[len(location):]
def serialize_image_file(image_file):
if image_file.size is None:
raise ThumbnailError('Trying to serialize an ``ImageFile`` with a '
'``None`` size.')
data = {
'name': image_file.name,
'storage': image_file.serialize_storage(),
'size': image_file.size,
}
return simplejson.dumps(data)
def __init__(self, file_, storage=None):
if not file_:
raise ThumbnailError('File is empty.')
# figure out name
if hasattr(file_, 'name'):
self.name = file_.name
else:
self.name = force_unicode(file_)
# figure out storage
if storage is not None:
self.storage = storage
elif hasattr(file_, 'storage'):
self.storage = file_.storage
elif url_pat.match(self.name):
self.storage = UrlStorage()
else:
self.storage = default_storage
def set(self, image_file, source=None):
"""
Updates store for the `image_file`. Makes sure the `image_file` has a
size set.
"""
image_file.set_size() # make sure its got a size
self._set(image_file.key, image_file)
if source is not None:
if not self.get(source):
# make sure the source is in kvstore
raise ThumbnailError('Cannot add thumbnails for source: `%s` '
'that is not in kvstore.' % source.name)
# Update the list of thumbnails for source.
thumbnails = self._get(source.key, identity='thumbnails') or []
thumbnails = set(thumbnails)
thumbnails.add(image_file.key)
self._set(source.key, list(thumbnails), identity='thumbnails')
def __init__(self, file_, storage=None):
self.standard_storage = FileSystemStorage()
if not file_:
raise ThumbnailError('File is empty.')
# figure out name
if hasattr(file_, 'name'):
self.name = file_.name
else:
self.name = force_str(file_)
# TODO: Add a customizable naming method as a signal
# Remove query args from names. Fixes cache and signature arguments
# from third party services, like Amazon S3 and signature args.
if settings.THUMBNAIL_REMOVE_URL_ARGS:
self.name = self.name.split('?')[0]
# Support for relative protocol urls
if self.name.startswith('//'):
self.name = 'http:' + self.name
# figure out storage
if storage is not None:
self.storage = storage
elif hasattr(file_, 'storage'):
self.storage = file_.storage
elif url_pat.match(self.name):
self.storage = UrlStorage()
else:
self.storage = default_storage
if hasattr(self.storage, 'location'):
location = self.storage.location
if not self.storage.location.endswith("/"):
location += "/"
if self.name.startswith(location):
self.name = self.name[len(location):]