a_p = a_p - (p_sum - width)

        else:

            d_p = d_p - (p_sum - width)

    a_v = a if a > 0 else ''

    d_v = d if d > 0 else ''

    d_a = '<div class="added %s" style="width:%s%%">%s</div>' % (

        cgen('a', a_v, d_v), a_p, a_v

    )

    d_d = '<div class="deleted %s" style="width:%s%%">%s</div>' % (

        cgen('d', a_v, d_v), d_p, d_v

    )

    return literal('<div style="width:%spx">%s%s</div>' % (width, d_a, d_d))

def urlify_text(text_, safe=True):

    """

    Extrac urls from text and make html links out of them

    :param text_:

    """

    def url_func(match_obj):

        url_full = match_obj.groups()[0]

        return '<a href="%(url)s">%(url)s</a>' % ({'url': url_full})

    _newtext = url_re.sub(url_func, text_)

    if safe:

        return literal(_newtext)

    return _newtext

def urlify_changesets(text_, repository):

    """

    Extract revision ids from changeset and make link from them

    :param text_:

    :param repository: repo name to build the URL with

    """

    from pylons import url  # doh, we need to re-import url to mock it later

    def url_func(match_obj):

        rev = match_obj.group(0)

        return '<a class="revision-link" href="%(url)s">%(rev)s</a>' % {

         'url': url('changeset_home', repo_name=repository, revision=rev),

         'rev': rev,

        }

def urlify_commit(text_, repository, link_=None):

    """

    Parses given text message and makes proper links.

    issues are linked to given issue-server, and rest is a changeset link

    if link_ is given, in other case it's a plain text

    :param text_:

    :param repository:

    :param link_: changeset link

    """

    import traceback

    from pylons import url  # doh, we need to re-import url to mock it later

    def escaper(string):

        return string.replace('<', '&lt;').replace('>', '&gt;')

    def linkify_others(t, l):

        urls = re.compile(r'(\<a.*?\<\/a\>)',)

        links = []

        for e in urls.split(t):

            if not urls.match(e):

                links.append('<a class="message-link" href="%s">%s</a>' % (l, e))

            else:

                links.append(e)

        return ''.join(links)

    # urlify changesets - extract revisions and make link out of them

    newtext = urlify_changesets(escaper(text_), repository)

    # extract http/https links and make them real urls

    newtext = urlify_text(newtext, safe=False)

    try:

        from kallithea import CONFIG

        conf = CONFIG

        # allow multiple issue servers to be used

        valid_indices = [

            x.group(1)

            for x in map(lambda x: re.match(r'issue_pat(.*)', x), conf.keys())

            if x and 'issue_server_link%s' % x.group(1) in conf

            and 'issue_prefix%s' % x.group(1) in conf

        ]

        log.debug('found issue server suffixes `%s` during valuation of: %s'