def cli_change_kernel():
"""Change the kernel of an image
:raises UserWarning: When there is no image with kernel
"""
# Get all images
images_list = ImageManager.get_created_images()
# Select only images with kernel attribut
images_with_kernel = []
for image in images_list:
if hasattr(image, 'kernel'):
images_with_kernel.append(image.name)
# If there is no image with kernel, raise an exception
if not images_with_kernel:
raise UserWarning('Not any image with a kernel')
# Select the image to change kernel
image_name = select_from_list(images_with_kernel)
image = ImageManager.get_created_image(image_name)
print('\nCurrent kernel is: ' + image.kernel + '\n')
# Select an available kernel
new_kernel = KernelManager.cli_select_kernel()
# Set image kernel by using image method
KernelManager.change_kernel(image, new_kernel)
def get_images(cls):
"""Get all images that are of this class type."""
# Get all images
images = ImageManager.get_created_images()
# Instantiate None class_image array
class_images = None
# If there is images
if images:
# Get all class images
class_images = [
image for image in images if image.image_class == cls.__name__
]
# Return all class images
return class_images
