How to use the honcho.printer.Printer function in honcho

def test_write_multiline(self):
        out = FakeOutput()
        p = Printer(output=out)
        p.write(fake_message("one\ntwo\nthree\n"))
        expect = "12:42:00 | one\n12:42:00 | two\n12:42:00 | three\n"
        assert out.string() == expect

def test_write(self):
        out = FakeOutput()
        p = Printer(output=out)
        p.write(fake_message("monkeys\n"))
        assert out.string() == "12:42:00 | monkeys\n"

def test_write_with_set_width(self):
        out = FakeOutput()
        p = Printer(output=out, width=6)
        p.write(fake_message("giraffe\n"))
        assert out.string() == "12:42:00        | giraffe\n"

def test_write_with_name_and_set_width(self):
        out = FakeOutput()
        p = Printer(output=out, width=6)
        p.write(fake_message("narcissist\n", name="oop"))
        assert out.string() == "12:42:00 oop    | narcissist\n"

def test_write_without_prefix_and_colour_tty(self):
        out = FakeTTY()
        p = Printer(output=out, prefix=False, colour=False)
        p.write(fake_message("paranoid android\n", name="foo", colour="31"))
        assert out.string() == "paranoid android\n"

def test_write_no_newline(self):
        out = FakeOutput()
        p = Printer(output=out)
        p.write(fake_message("monkeys"))
        assert out.string() == "12:42:00 | monkeys\n"

def test_write_wrong_type(self):
        out = FakeOutput()
        p = Printer(output=out)
        with pytest.raises(RuntimeError):
            p.write(fake_message("monkeys\n", type="error"))

def test_write_with_colour_non_tty(self):
        out = FakeOutput()
        p = Printer(output=out)
        p.write(fake_message("conflate\n", name="foo", colour="31"))
        assert out.string() == "12:42:00 foo | conflate\n"

def test_write_without_prefix_non_tty(self):
        out = FakeOutput()
        p = Printer(output=out, prefix=False)
        p.write(fake_message("paranoid android\n", name="foo", colour="31"))
        assert out.string() == "paranoid android\n"

concurrency = _parse_concurrency(args.concurrency)
    env = _read_env(args.app_root, args.env)
    quiet = _parse_quiet(args.quiet)
    port = _choose_port(args, env)

    if args.processes:
        processes = compat.OrderedDict()
        for name in args.processes:
            try:
                processes[name] = procfile.processes[name]
            except KeyError:
                raise CommandError("Process type '{0}' does not exist in Procfile".format(name))
    else:
        processes = procfile.processes

    manager = Manager(Printer(sys.stdout,
                              colour=(not args.no_colour),
                              prefix=(not args.no_prefix)))

    for p in environ.expand_processes(processes,
                                      concurrency=concurrency,
                                      env=env,
                                      quiet=quiet,
                                      port=port):
        e = os.environ.copy()
        e.update(p.env)
        manager.add_process(p.name, p.cmd, quiet=p.quiet, env=e)

    manager.loop()
    sys.exit(manager.returncode)