How to use the ipwb.util.digits14ToRFC1123 function in ipwb

# unsurted URI will never have a scheme, add one
    originalURI = 'http://{0}'.format(unsurt(original))

    tmData = '<{0}>; rel="original",\n'.format(originalURI)
    tmData += '<{0}>; rel="self timemap"; '.format(tmself)
    tmData += 'type="application/link-format",\n'

    cdxjTMURI = tmself.replace('/timemap/link/', '/timemap/cdxj/')
    tmData += '<{0}>; rel="timemap"; '.format(cdxjTMURI)
    tmData += 'type="application/cdxj+ors",\n'

    tmData += '<{0}>; rel="timegate"'.format(tgURI)

    for i, line in enumerate(cdxjLines):
        (surtURI, datetime, json) = line.split(' ', 2)
        dtRFC1123 = ipwbUtils.digits14ToRFC1123(datetime)
        firstLastStr = ''

        if len(cdxjLines) > 1:
            if i == 0:
                firstLastStr = 'first '
            elif i == len(cdxjLines) - 1:
                firstLastStr = 'last '
        elif len(cdxjLines) == 1:
            firstLastStr = 'first last '

        tmData += ',\n<{0}memento/{1}/{2}>; rel="{3}memento"; datetime="{4}"' \
                  .format(hostAndPort, datetime, unsurt(surtURI), firstLastStr,
                          dtRFC1123)
    return tmData + '\n'

tmData = '!context ["http://tools.ietf.org/html/rfc7089"]\n'
    tmData += '!id {{"uri": "{0}"}}\n'.format(tmself)
    tmData += '!keys ["memento_datetime_YYYYMMDDhhmmss"]\n'
    tmData += '!meta {{"original_uri": "{0}"}}\n'.format(originalURI)
    tmData += '!meta {{"timegate_uri": "{0}"}}\n'.format(tgURI)
    linkTMURI = tmself.replace('/timemap/cdxj/', '/timemap/link/')
    tmData += ('!meta {{"timemap_uri": {{'
               '"link_format": "{0}", '
               '"cdxj_format": "{1}"'
               '}}}}\n').format(linkTMURI, tmself)
    hostAndPort = tmself[0:tmself.index('timemap/')]

    for i, line in enumerate(cdxjLines):
        (surtURI, datetime, json) = line.split(' ', 2)
        dtRFC1123 = ipwbUtils.digits14ToRFC1123(datetime)
        firstLastStr = ''

        if len(cdxjLines) > 1:
            if i == 0:
                firstLastStr = 'first '
            elif i == len(cdxjLines) - 1:
                firstLastStr = 'last '
        elif len(cdxjLines) == 1:
            firstLastStr = 'first last '

        tmData += ('{1} {{'
                   '"uri": "{0}memento/{1}/{2}", '
                   '"rel": "{3}memento", '
                   '"datetime"="{4}"}}\n').format(
                hostAndPort, datetime, unsurt(surtURI),
                firstLastStr, dtRFC1123)

cdxjLinesWithURIR = getCDXJLinesWithURIR(urir, indexPath)

    if len(cdxjLinesWithURIR) == 1:
        fields = cdxjLinesWithURIR[0].split(' ', 2)
        redirectURI = '/memento/{1}/{0}'.format(unsurt(fields[0]), fields[1])

        return redirect(redirectURI, code=302)

    msg = ''
    if cdxjLinesWithURIR:
        msg += '<p>{0} capture(s) available:</p><ul>'.format(
            len(cdxjLinesWithURIR))
        for line in cdxjLinesWithURIR:
            fields = line.split(' ', 2)
            dt14 = fields[1]
            dtrfc1123 = ipwbUtils.digits14ToRFC1123(fields[1])
            msg += ('<li><a href="/memento/{1}/{0}">{0} at {2}</a></li>'
                    .format(unsurt(fields[0]), dt14, dtrfc1123))
        msg += '</ul>'
    else:  # No captures for URI-R
        msg = generateNoMementosInterface_noDatetime(urir)

    return Response(msg)

# Add ipwb header for additional SW logic
    newPayload = resp.get_data()

    lineJSON = cdxjLine.split(' ', 2)[2]
    mime = json.loads(lineJSON)['mime_type']

    if 'text/html' in mime:
        ipwbjsinject = """
                      """

        newPayload = newPayload.decode('utf-8').replace(
            '', ipwbjsinject + '')

        resp.set_data(newPayload)

    resp.headers['Memento-Datetime'] = ipwbUtils.digits14ToRFC1123(datetime)

    if header is None:
        resp.headers['X-Headers-Generated-By'] = 'InterPlanetary Wayback'

    # Get TimeMap for Link response header
    # respWithLinkHeader = getLinkHeaderAbbreviatedTimeMap(path, datetime)
    # resp.headers['Link'] = respWithLinkHeader.replace('\n', ' ')

    if status[0] == '3' and isUri(resp.headers.get('Location')):
        # Bad assumption that the URI-M will contain \d14 but works for now.
        uriBeforeURIR = request.url[:re.search(r'/\d{14}/', request.url).end()]
        newURIM = uriBeforeURIR + resp.headers['Location']
        resp.headers['Location'] = newURIM

    return resp