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

def getLinkHeaderAbbreviatedTimeMap(urir, pivotDatetime):
    s = surt.surt(urir, path_strip_trailing_slash_unless_empty=False)
    indexPath = ipwbUtils.getIPWBReplayIndexPath()

    cdxjLinesWithURIR = getCDXJLinesWithURIR(urir, indexPath)
    hostAndPort = ipwbUtils.getIPWBReplayConfig()

    tgURI = 'http://{0}:{1}/timegate/{2}'.format(
        hostAndPort[0],
        hostAndPort[1], urir)

    tmURI = 'http://{0}:{1}/timemap/link/{2}'.format(
        hostAndPort[0],
        hostAndPort[1], urir)
    tm = generateLinkTimeMapFromCDXJLines(cdxjLinesWithURIR, s, tmURI, tgURI)

    # Fix base TM relation when viewing abbrev version in Link resp
    tm = tm.replace('rel="self timemap"', 'rel="timemap"')

    # Only one memento in TimeMap
    if 'rel="first last memento"' in tm:
        return tm.replace('\n', ' ').strip()

def showTimeMap(urir, format):
    urir = getCompleteURI(urir)
    s = surt.surt(urir, path_strip_trailing_slash_unless_empty=False)
    indexPath = ipwbUtils.getIPWBReplayIndexPath()

    cdxjLinesWithURIR = getCDXJLinesWithURIR(urir, indexPath)
    tmContentType = ''

    hostAndPort = ipwbUtils.getIPWBReplayConfig()

    tgURI = 'http://{0}:{1}/timegate/{2}'.format(
        hostAndPort[0],
        hostAndPort[1], urir)

    tm = ''  # Initialize for usage beyond below conditionals
    if format == 'link':
        tm = generateLinkTimeMapFromCDXJLines(
            cdxjLinesWithURIR, s, request.url, tgURI)
        tmContentType = 'application/link-format'
    elif format == 'cdxj':
        tm = generateCDXJTimeMapFromCDXJLines(
            cdxjLinesWithURIR, s, request.url, tgURI)
        tmContentType = 'application/cdxj+ors'

    resp = Response(tm)

def start(cdxjFilePath, proxy=None):
    hostPort = ipwbUtils.getIPWBReplayConfig()
    app.proxy = proxy

    if not hostPort:
        ipwbUtils.setIPWBReplayConfig(IPWBREPLAY_HOST, IPWBREPLAY_PORT)

    if ipwbUtils.isDaemonAlive():
        ipwbUtils.setIPWBReplayIndexPath(cdxjFilePath)
        app.cdxjFilePath = cdxjFilePath
    else:
        print('Sample data not pulled from IPFS.')
        print('Check that the IPFS daemon is running.')

    # Perform checks for CDXJ file existence, TODO: reuse cached contents
    app.cdxjFileContents = getIndexFileContents(cdxjFilePath)

    try: