Objects of the univ.ObjectIdentifier class

Instances of univ.ObjectIdentifier class implement the following additional methods:

isaprefix(oid)

Returns true if the value of this ObjectIdentifier is a lexicographical prefix of oid OBJECT IDENTIFIER.

The following methods emulate a mutable sequence object protocol:

__getitem__(index)

Returns a [sub-]identifier (integer for single sub-id or ObjectIdentifier class instance for a slice) by index (integer or slice type).

__setitem__(index, oid)

Sets [sub-]identifier oid by index (integer or slice type).

__delitem__(index)

Delete sub-identifier by index (integer or slice type).

append(suboid)

Append a sub-identifier suboid to the ObjectIdentifier object.

extend(oid)

Append a [sub-]identifier oid to the ObjectIdentifier object.

index(suboid)

Returns index of first occurrence of sub-identifier suboid (integer).

__len__()

Returns the number of sub-identifiers in ObjectIdentifier object (as integer).

__add__(oid)

__radd__(oid)

Returns concatenated ObjectIdentifier and [sub-]identifier oid (operands reflected for __r*__ version).