def freeze(h, output_yaml, resolve, groups):
    """Output installed packages."""
    if not groups:
        groups = filter(lambda group: not group.lower().startswith("bower"),
                        h.requirements.keys())
    else:
        groups = [text_type.strip(group) for group in groups.split(",")]

    if output_yaml:
        for requirements in h.requirements.values():
            for requirement in requirements:
                if resolve and not requirement.version:
                    requirement.load_installed_version()
        click.echo(h.requirements.yaml)
    else:
        for group in groups:
            if not h.requirements[group]:
                continue
            click.echo("# {}".format(group))
            for requirement in h.requirements[group]:
                if resolve and not requirement.version:
                    requirement.load_installed_version()
                click.echo(str(requirement))
def _draw_more_comments(self, win, data):

        n_rows, n_cols = win.getmaxyx()
        n_cols -= 1

        self.term.add_line(win, '{body}'.format(**data), 0, 1)
        self.term.add_line(
            win, ' [{count}]'.format(**data), attr=curses.A_BOLD)

        attr = Color.get_level(data['level'])
        self.term.addch(win, 0, 0, self.term.vline, attr)

        return attr | self.term.vline