class ThumbnailUrlNode(Node):
def __init__(self, path, size, options):
self.path = path
self.size = size
self.options = options
self.thumbnails_cache = ImageCache(settings.THUMBNAIL_ROOT)
def render(self, context):
resolved_options = dict(
zip([str(opt) for opt in self.options.keys()], [self.options[v].resolve(context) for v in self.options])
)
size = [int(z.resolve(context)) for z in self.size]
path = str(self.path.resolve(context))
if not path:
raise TemplateSyntaxError("Provided image path is empty")
if not os.path.isabs(path):
path = os.path.join(settings.MEDIA_ROOT, path)
try:
processor = ImageProcessor()
processor.add_filter(Image.Image.thumbnail, size, resample=Image.ANTIALIAS)
return "%s%s" % (
settings.THUMBNAIL_PREFIX,
os.path.basename(self.thumbnails_cache.get_image_file(processor, path)),
)
except (IOError, OSError), e:
if not settings.FAIL_SILENTLY:
raise e
return ""
def __init__(self, path, size, options):
self.path = path
self.size = size
self.options = options
self.thumbnails_cache = ImageCache(settings.THUMBNAIL_ROOT)
