How to use the diazo.utils.AC_READ_FILE function in diazo

parser=parser,
            read_network=options.read_network,
            absolute_prefix=options.absolute_prefix,
            includemode=options.includemode,
            indent=options.pretty_print,
            xsl_params=xsl_params,
            runtrace=runtrace,
        )

    if content == '-':
        content = sys.stdin

    if options.read_network:
        access_control = AC_READ_NET
    else:
        access_control = AC_READ_FILE

    transform = etree.XSLT(output_xslt, access_control=access_control)
    content_doc = etree.parse(content, parser=parser)
    params = {}
    if options.path is not None:
        params['path'] = "'{path}'".format(path=options.path)

    if options.parameters:
        for key, value in split_params(options.parameters).items():
            params[key] = quote_param(value)

    output_html = transform(content_doc, **params)
    if isinstance(options.output, string_types):
        out = open(options.output, 'wt')
    else:
        out = options.output