def user(event):
    """ show user selected by userhost. """
    from bot.space import fleet, users
    if not event._parsed.rest:
        event.reply('user <origin>')
        return
    nick = event._parsed.args[0]
    origin = fleet.get_origin(nick)
    u = users.fetch(origin)
    if u:
        event.reply(slice(u, skip=['type']))
