pydicom.sequence.Sequence

class pydicom.sequence.Sequence(iterable: Iterable[Dataset] | None = None)

Class to hold multiple Dataset in a list.

__init__(iterable: Iterable[Dataset] | None = None) → None

Initialize a list of Dataset.

Parameters:

iterable (Iterable[Dataset] | None) – An iterable object (e.g. list, tuple) containing Dataset. If not used then an empty Sequence is generated.

Methods

__init__([iterable])	Initialize a list of Dataset.
append(item)	Append an item.
clear()
count(value)
extend(val)	Extend the Sequence using an iterable of Dataset instances.
index(value, [start, [stop]])	Raises ValueError if the value is not present.
insert(position, item)	Insert an item at position.
pop([index])	Raise IndexError if list is empty or index is out of range.
remove(value)	S.remove(value) -- remove first occurrence of value.
reverse()	S.reverse() -- reverse IN PLACE

append(item: T) → None

Append an item.

clear() → None -- remove all items from S

count(value) → integer -- return number of occurrences of value

extend(val: Iterable[Dataset]) → None

Extend the Sequence using an iterable of Dataset instances.

index(value[, start[, stop]]) → integer -- return first index of value.

Raises ValueError if the value is not present.

Supporting start and stop arguments is optional, but recommended.

insert(position: int, item: T) → None

Insert an item at position.

pop([index]) → item -- remove and return item at index (default last).

Raise IndexError if list is empty or index is out of range.

remove(value)

S.remove(value) – remove first occurrence of value. Raise ValueError if the value is not present.

reverse()

S.reverse() – reverse IN PLACE