How to use the cutadapt.seqio.Sequence function in cutadapt

import shutil
from textwrap import dedent
import pytest
from nose.tools import raises
from tempfile import mkdtemp
from cutadapt.seqio import (Sequence, FormatError,
	FastaReader, FastqReader, InterleavedSequenceReader,
	FastaWriter, FastqWriter, InterleavedSequenceWriter, open as openseq,
	sequence_names_match, find_fastq_record_end,
	read_paired_chunks, read_chunks_from_file)
from cutadapt._seqio import two_fastq_heads  # re-exported


# files tests/data/simple.fast{q,a}
simple_fastq = [
	Sequence("first_sequence", "SEQUENCE1", ":6;;8<=:<"),
	Sequence("second_sequence", "SEQUENCE2", "83

def test(self):
		expected = [
			(Sequence('read1/1 some text', 'TTATTTGTCTCCAGC', '##HHHHHHHHHHHHH'),
			Sequence('read1/2 other text', 'GCTGGAGACAAATAA', 'HHHHHHHHHHHHHHH')),
			(Sequence('read3/1', 'CCAACTTGATATTAATAACA', 'HHHHHHHHHHHHHHHHHHHH'),
			Sequence('read3/2', 'TGTTATTAATATCAAGTTGG', '#HHHHHHHHHHHHHHHHHHH')),
			(Sequence('read5', 'TTATTTGTCTCCAGC', '#####HHHHHHHHHH'),
			Sequence('read5', 'CAACAGGCCACATTAGACATATCGGATGGT', 'HHHHHHHH##HHHHHHHHHHHHHHHHHHHH')),
		]
		reads = list(InterleavedSequenceReader("tests/cut/interleaved.fastq"))
		for (r1, r2), (e1, e2) in zip(reads, expected):
			print(r1, r2, e1, e2)

		assert reads == expected
		with openseq("tests/cut/interleaved.fastq", interleaved=True) as f:
			reads = list(f)
		assert reads == expected

def test(self):
		reads = [
			(Sequence('A/1 comment', 'TTA', '##H'),
			Sequence('A/2 comment', 'GCT', 'HH#')),
			(Sequence('B/1', 'CC', 'HH'),
			Sequence('B/2', 'TG', '#H'))
		]
		sio = StringIO()
		with InterleavedSequenceWriter(sio) as writer:
			for read1, read2 in reads:
				writer.write(read1, read2)
		assert sio.getvalue() == '@A/1 comment\nTTA\n+\n##H\n@A/2 comment\nGCT\n+\nHH#\n@B/1\nCC\n+\nHH\n@B/2\nTG\n+\n#H\n'

def test(self):
		reads = [
			(Sequence('A/1 comment', 'TTA', '##H'),
			Sequence('A/2 comment', 'GCT', 'HH#')),
			(Sequence('B/1', 'CC', 'HH'),
			Sequence('B/2', 'TG', '#H'))
		]
		sio = StringIO()
		with InterleavedSequenceWriter(sio) as writer:
			for read1, read2 in reads:
				writer.write(read1, read2)
		assert sio.getvalue() == '@A/1 comment\nTTA\n+\n##H\n@A/2 comment\nGCT\n+\nHH#\n@B/1\nCC\n+\nHH\n@B/2\nTG\n+\n#H\n'

def match(name1, name2):
			seq1 = Sequence(name1, 'ACGT')
			seq2 = Sequence(name2, 'AACC')
			return sequence_names_match(seq1, seq2)

def match(name1, name2):
			seq1 = Sequence(name1, 'ACGT')
			seq2 = Sequence(name2, 'AACC')
			return sequence_names_match(seq1, seq2)

def test_write_sequence_object(self):
		with FastaWriter(self.path) as fw:
			fw.write(Sequence("name", "CCATA"))
			fw.write(Sequence("name2", "HELLO"))
		assert fw._file.closed
		with open(self.path) as t:
			assert t.read() == '>name\nCCATA\n>name2\nHELLO\n'