pydicom.sequence.Sequence

class pydicom.sequence.Sequence(iterable=None)

Class to hold multiple Dataset in a list.

This class is derived from MultiValue and as such enforces that all items added to the list are Dataset instances. In order to do this, a validator is substituted for type_constructor when constructing the MultiValue super class.

__init__(iterable=None)

Initialize a list of Dataset.

Parameters

iterable (list-like of dataset.Dataset, optional) – 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(val)	S.append(value) – append value to the end of the sequence
clear()
count(value)
extend(values)	S.extend(iterable) – extend sequence by appending elements from the iterable
index(value, [start, [stop]])	Raises ValueError if the value is not present.
insert(position, val)	S.insert(index, value) – insert value before index
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
sort([key, reverse])

Attributes

parent

Return a weak reference to the parent Dataset.

property parent

Return a weak reference to the parent Dataset.

New in version 1.3.

Changed in version 1.4: Returned value is a weak reference to the parent Dataset.