seqview

SeqView(*, parent, alphabet, parent_len[, ...])	Provides a view of a sequence with support for slicing operations.
SeqDataView(*, parent, alphabet, parent_len)	A view class for SeqsData, providing methods for different representations of a single sequence.
AlignedDataView(*, parent, seqid, alphabet)	A view class for AlignedSeqsData, providing methods for different representations of a single sequence.