How to use the archivebox.index.load_main_index function in archivebox

'or pass a list of links via stdin, but not both.\n',
            color='red',
        )
        raise SystemExit(2)
    elif import_str:
        import_path = save_stdin_to_sources(import_str, out_dir=out_dir)
    else:
        import_path = save_file_to_sources(import_path, out_dir=out_dir)

    check_dependencies()

    # Step 1: Load list of links from the existing index
    #         merge in and dedupe new links from import_path
    all_links: List[Link] = []
    new_links: List[Link] = []
    all_links = load_main_index(out_dir=out_dir)
    if import_path:
        all_links, new_links = import_new_links(all_links, import_path, out_dir=out_dir)

    # Step 2: Write updated index with deduped old and new links back to disk
    write_main_index(links=all_links, out_dir=out_dir)

    if index_only:
        return all_links
        
    # Step 3: Run the archive methods for each link
    links = all_links if update_all else new_links
    log_archiving_started(len(links))
    idx: int = 0
    link: Link = None                                             # type: ignore
    try:
        for idx, link in enumerate(links):

))
    finally:
        timer.end()

    if not len(links):
        log_removal_finished(0, 0)
        raise SystemExit(1)


    log_list_finished(links)
    log_removal_started(links, yes=yes, delete=delete)

    timer = TimedProgress(360, prefix='      ')
    try:
        to_keep = []
        all_links = load_main_index(out_dir=out_dir)
        for link in all_links:
            should_remove = (
                (after is not None and float(link.timestamp) < after)
                or (before is not None and float(link.timestamp) > before)
                or link_matches_filter(link, filter_patterns, filter_type)
            )
            if not should_remove:
                to_keep.append(link)
            elif should_remove and delete:
                shutil.rmtree(link.link_dir, ignore_errors=True)
    finally:
        timer.end()

    write_main_index(links=to_keep, out_dir=out_dir, finished=True)
    log_removal_finished(len(all_links), len(to_keep))

try:
        for idx, link in enumerate(links_after_timestamp(links, resume)):
            archive_link(link, overwrite=overwrite, out_dir=link.link_dir)

    except KeyboardInterrupt:
        log_archiving_paused(len(links), idx, link.timestamp if link else '0')
        raise SystemExit(0)

    except:
        print()
        raise    

    log_archiving_finished(len(links))

    # Step 4: Re-write links index with updated titles, icons, and resources
    all_links = load_main_index(out_dir=out_dir)
    write_main_index(links=list(all_links), out_dir=out_dir, finished=True)
    return all_links

def get(self, request):
        if not request.user.is_authenticated and not PUBLIC_INDEX:
            return redirect(f'/admin/login/?next={request.path}')

        all_links = load_main_index(out_dir=OUTPUT_DIR)
        meta_info = load_main_index_meta(out_dir=OUTPUT_DIR)

        context = {
            'updated': meta_info['updated'],
            'num_links': meta_info['num_links'],
            'links': all_links,
            'VERSION': VERSION,
            'FOOTER_INFO': FOOTER_INFO,
        }

        return render(template_name=self.template, request=request, context=context)

def list_links(filter_patterns: Optional[List[str]]=None,
               filter_type: str='exact',
               after: Optional[float]=None,
               before: Optional[float]=None,
               out_dir: str=OUTPUT_DIR) -> Iterable[Link]:
    
    check_data_folder(out_dir=out_dir)

    all_links = load_main_index(out_dir=out_dir)

    for link in all_links:
        if after is not None and float(link.timestamp) < after:
            continue
        if before is not None and float(link.timestamp) > before:
            continue
        
        if filter_patterns:
            if link_matches_filter(link, filter_patterns, filter_type):
                yield link
        else:
            yield link

assert os.path.exists(DATABASE_FILE)
    
    # from django.contrib.auth.models import User
    # if IS_TTY and not User.objects.filter(is_superuser=True).exists():
    #     print('{green}[+] Creating admin user account...{reset}'.format(**ANSI))
    #     call_command("createsuperuser", interactive=True)

    print()
    print('{green}[*] Collecting links from any existing indexes and archive folders...{reset}'.format(**ANSI))

    all_links: Dict[str, Link] = {}
    if existing_index:
        all_links = {
            link.url: link
            for link in load_main_index(out_dir=out_dir, warn=False)
        }
        print('    √ Loaded {} links from existing main index.'.format(len(all_links)))

    # Links in data folders that dont match their timestamp
    fixed, cant_fix = fix_invalid_folder_locations(out_dir=out_dir)
    if fixed:
        print('    {lightyellow}√ Fixed {} data directory locations that didn\'t match their link timestamps.{reset}'.format(len(fixed), **ANSI))
    if cant_fix:
        print('    {lightyellow}! Could not fix {} data directory locations due to conflicts with existing folders.{reset}'.format(len(cant_fix), **ANSI))

    # Links in JSON index but not in main index
    orphaned_json_links = {
        link.url: link
        for link in parse_json_main_index(out_dir)
        if link.url not in all_links
    }

filter_patterns: Optional[List[str]]=None,
           filter_type: Optional[str]=None,
           status: Optional[str]=None,
           after: Optional[str]=None,
           before: Optional[str]=None,
           out_dir: str=OUTPUT_DIR) -> List[Link]:
    """Import any new links from subscriptions and retry any previously failed/skipped links"""

    check_dependencies()
    check_data_folder(out_dir=out_dir)

    # Step 1: Load list of links from the existing index
    #         merge in and dedupe new links from import_path
    all_links: List[Link] = []
    new_links: List[Link] = []
    all_links = load_main_index(out_dir=out_dir)

    # Step 2: Write updated index with deduped old and new links back to disk
    write_main_index(links=list(all_links), out_dir=out_dir)

    # Step 3: Filter for selected_links
    matching_links = list_links(
        filter_patterns=filter_patterns,
        filter_type=filter_type,
        before=before,
        after=after,
    )
    matching_folders = list_folders(
        links=list(matching_links),
        status=status,
        out_dir=out_dir,
    )

def info(out_dir: str=OUTPUT_DIR) -> None:
    """Print out some info and statistics about the archive collection"""

    check_data_folder(out_dir=out_dir)

    print('{green}[*] Scanning archive collection main index...{reset}'.format(**ANSI))
    print(f'    {out_dir}/*')
    num_bytes, num_dirs, num_files = get_dir_size(out_dir, recursive=False, pattern='index.')
    size = printable_filesize(num_bytes)
    print(f'    Size: {size} across {num_files} files')
    print()

    links = list(load_main_index(out_dir=out_dir))
    num_json_links = len(links)
    num_sql_links = sum(1 for link in parse_sql_main_index(out_dir=out_dir))
    num_html_links = sum(1 for url in parse_html_main_index(out_dir=out_dir))
    num_link_details = sum(1 for link in parse_json_links_details(out_dir=out_dir))
    users = get_admins().values_list('username', flat=True)
    print(f'    > JSON Main Index: {num_json_links} links'.ljust(36),  f'(found in {JSON_INDEX_FILENAME})')
    print(f'    > SQL Main Index: {num_sql_links} links'.ljust(36), f'(found in {SQL_INDEX_FILENAME})')
    print(f'    > HTML Main Index: {num_html_links} links'.ljust(36), f'(found in {HTML_INDEX_FILENAME})')
    print(f'    > JSON Link Details: {num_link_details} links'.ljust(36), f'(found in {ARCHIVE_DIR_NAME}/*/index.json)')

    print(f'    > Admin: {len(users)} users {", ".join(users)}'.ljust(36), f'(found in {SQL_INDEX_FILENAME})')
    
    if num_html_links != len(links) or num_sql_links != len(links):
        print()
        print('    {lightred}Hint:{reset} You can fix index count differences automatically by running:'.format(**ANSI))
        print('        archivebox init')