def person_by_id(id_, show_attr="username_and_name"):

    # attr to return from fetched user

    person_getter = lambda usr: getattr(usr, show_attr)

    #maybe it's an ID ?

    if str(id_).isdigit() or isinstance(id_, int):

        id_ = int(id_)

        user = User.get(id_)

        if user is not None:

            return person_getter(user)

    return id_

def desc_stylize(value):

    """

    converts tags from value into html equivalent

    :param value:

    """

    value = re.sub(r'\[see\ \=\>\ *([a-zA-Z0-9\/\=\?\&\ \:\/\.\-]*)\]',

                   '<div class="metatag" tag="see">see =&gt; \\1 </div>', value)

    value = re.sub(r'\[license\ \=\>\ *([a-zA-Z0-9\/\=\?\&\ \:\/\.\-]*)\]',

                   '<div class="metatag" tag="license"><a href="http:\/\/www.opensource.org/licenses/\\1">\\1</a></div>', value)

                   '<div class="metatag" tag="\\1">\\1 =&gt; <a href="/\\2">\\2</a></div>', value)

    value = re.sub(r'\[(lang|language)\ \=\>\ *([a-zA-Z\-\/\#\+]*)\]',

                   '<div class="metatag" tag="lang">\\2</div>', value)

    value = re.sub(r'\[([a-z]+)\]',

                  '<div class="metatag" tag="\\1">\\1</div>', value)

    return value

def bool2icon(value):

    """Returns True/False values represented as small html image of true/false

    icons

    :param value: bool value

    """

    if value is True:

        return HTML.tag('img', src=url("/images/icons/accept.png"),

                        alt=_('True'))

    if value is False:

        return HTML.tag('img', src=url("/images/icons/cancel.png"),

                        alt=_('False'))