# wand.sequence — Sequences¶

New in version 0.3.0.

class wand.sequence.Sequence(image)

The list-like object that contains every SingleImage in the Image container. It implements collections.abc.Sequence protocol.

New in version 0.3.0.

append(image)

S.append(value) – append value to the end of the sequence

current_index

(numbers.Integral) The current index of its internal iterator.

Note

It’s only for internal use.

extend(images, offset=None)

S.extend(iterable) – extend sequence by appending elements from the iterable

index_context(index)

Scoped setter of current_index. Should be used for with statement e.g.:

with image.sequence.index_context(3):
print(image.size)


Note

It’s only for internal use.

insert(index, image)

S.insert(index, value) – insert value before index

class wand.sequence.SingleImage(wand, container, c_original_resource)

Each single image in Image container. For example, it can be a frame of GIF animation.

Note that all changes on single images are invisible to their containers unless they are altered a with ... context manager.

with Image(filename=’animation.gif’) as container:
with container.sequence[0] as frame:
frame.negate()

New in version 0.3.0.

Changed in version 0.5.1: Only sync changes of a SingleImage when exiting a with ... context. Not when parent Image closes.

container = None

(wand.image.Image) The container image.

delay

(numbers.Integral) The delay to pause before display the next image (in the sequence of its container). It’s hundredths of a second.

index

(numbers.Integral) The index of the single image in the container image.