def scale_blog_image(image, size):
size = size.split('x')
image_path = image.path
(root, name, ext) = split_filepath(image_path)
filename = scale_image(image_path, (int(size[0]), int(size[1])))
if filename:
image_url = image.url.split('/')
image_url[-1] = filename
return '/'.join(image_url)
else:
return image.url
def crop(image, size):
"""
Template filter used to crop an image
to make it fill the defined area.
{% load image_tags %}
{{ profile.picture|crop:"48x48" }}
"""
size = size.split('x')
(root, name, ext) = split_filepath(image.path)
filename = scale_image(image.path, (int(size[0]), int(size[1])), 'crop')
return '/%s/%s' % (os.path.abspath(root).replace('%s/' % os.path.abspath(settings.BASE_PATH), ''), filename)
def save_temporary_blog_image(image_file):
if not os.path.exists(settings.TEMP_BLOG_IMAGE_ROOT):
os.makedirs(settings.TEMP_BLOG_IMAGE_ROOT)
(root, file_name, file_ext) = split_filepath(image_file.name)
file_name = '%s.%s' % (uuid.uuid4(), file_ext)
destination = open('%s%s' % (settings.TEMP_BLOG_IMAGE_ROOT, file_name), 'wd+')
for chunk in image_file.chunks():
destination.write(chunk)
destination.close()
thumbnail_filename = scale_image('%s%s' % (settings.TEMP_BLOG_IMAGE_ROOT, file_name), (settings.BLOG_IMAGE_PREVIEW_WIDTH, settings.BLOG_IMAGE_PREVIEW_HEIGHT))
thumbnail_url = '%s%s%s' % (settings.MEDIA_URL, settings.TEMP_BLOG_IMAGE_URL, thumbnail_filename)
return file_name, thumbnail_url
