How to use the archivebox.system.PIPE function in archivebox

'--all-subs',
        '--extract-audio',
        '--keep-video',
        '--ignore-errors',
        '--geo-bypass',
        '--audio-format', 'mp3',
        '--audio-quality', '320K',
        '--embed-thumbnail',
        '--add-metadata',
        *([] if CHECK_SSL_VALIDITY else ['--no-check-certificate']),
        link.url,
    ]
    status = 'succeeded'
    timer = TimedProgress(timeout, prefix='      ')
    try:
        result = run(cmd, stdout=PIPE, stderr=PIPE, cwd=output_path, timeout=timeout + 1)
        chmod_file(output, cwd=out_dir)
        if result.returncode:
            if (b'ERROR: Unsupported URL' in result.stderr
                or b'HTTP Error 404' in result.stderr
                or b'HTTP Error 403' in result.stderr
                or b'URL could be a direct video link' in result.stderr
                or b'Unable to extract container ID' in result.stderr):
                # These happen too frequently on non-media pages to warrant printing to console
                pass
            else:
                hints = (
                    'Got youtube-dl response code: {}.'.format(result.returncode),
                    *result.stderr.decode().split('\n'),
                )
                raise ArchiveError('Failed to save media', hints)
    except Exception as err:

'-e', 'robots=off',
        '--restrict-file-names=windows',
        '--timeout={}'.format(timeout),
        *([] if SAVE_WARC else ['--timestamping']),
        *(['--warc-file={}'.format(warc_path)] if SAVE_WARC else []),
        *(['--page-requisites'] if SAVE_WGET_REQUISITES else []),
        *(['--user-agent={}'.format(WGET_USER_AGENT)] if WGET_USER_AGENT else []),
        *(['--load-cookies', COOKIES_FILE] if COOKIES_FILE else []),
        *(['--compression=auto'] if WGET_AUTO_COMPRESSION else []),
        *([] if CHECK_SSL_VALIDITY else ['--no-check-certificate', '--no-hsts']),
        link.url,
    ]
    status = 'succeeded'
    timer = TimedProgress(timeout, prefix='      ')
    try:
        result = run(cmd, stdout=PIPE, stderr=PIPE, cwd=out_dir, timeout=timeout)
        output = wget_output_path(link)

        # parse out number of files downloaded from last line of stderr:
        #  "Downloaded: 76 files, 4.0M in 1.6s (2.52 MB/s)"
        output_tail = [
            line.strip()
            for line in (result.stdout + result.stderr).decode().rsplit('\n', 3)[-3:]
            if line.strip()
        ]
        files_downloaded = (
            int(output_tail[-1].strip().split(' ', 2)[1] or 0)
            if 'Downloaded:' in output_tail[-1]
            else 0
        )

        # Check for common failure cases

def save_screenshot(link: Link, out_dir: Optional[str]=None, timeout: int=TIMEOUT) -> ArchiveResult:
    """take screenshot of site using chrome --headless"""
    
    out_dir = out_dir or link.link_dir
    output: ArchiveOutput = 'screenshot.png'
    cmd = [
        *chrome_args(TIMEOUT=timeout),
        '--screenshot',
        link.url,
    ]
    status = 'succeeded'
    timer = TimedProgress(timeout, prefix='      ')
    try:
        result = run(cmd, stdout=PIPE, stderr=PIPE, cwd=out_dir, timeout=timeout)

        if result.returncode:
            hints = (result.stderr or result.stdout).decode()
            raise ArchiveError('Failed to save screenshot', hints)

        chmod_file(output, cwd=out_dir)
    except Exception as err:
        status = 'failed'
        output = err
    finally:
        timer.end()

    return ArchiveResult(
        cmd=cmd,
        pwd=out_dir,
        cmd_version=CHROME_VERSION,

out_dir = out_dir or link.link_dir
    output: ArchiveOutput = 'git'
    output_path = os.path.join(out_dir, str(output))
    os.makedirs(output_path, exist_ok=True)
    cmd = [
        GIT_BINARY,
        'clone',
        '--mirror',
        '--recursive',
        *([] if CHECK_SSL_VALIDITY else ['-c', 'http.sslVerify=false']),
        without_query(without_fragment(link.url)),
    ]
    status = 'succeeded'
    timer = TimedProgress(timeout, prefix='      ')
    try:
        result = run(cmd, stdout=PIPE, stderr=PIPE, cwd=output_path, timeout=timeout + 1)

        if result.returncode == 128:
            # ignore failed re-download when the folder already exists
            pass
        elif result.returncode > 0:
            hints = 'Got git response code: {}.'.format(result.returncode)
            raise ArchiveError('Failed to save git clone', hints)

        chmod_file(output, cwd=out_dir)

    except Exception as err:
        status = 'failed'
        output = err
    finally:
        timer.end()

def save_dom(link: Link, out_dir: Optional[str]=None, timeout: int=TIMEOUT) -> ArchiveResult:
    """print HTML of site to file using chrome --dump-html"""

    out_dir = out_dir or link.link_dir
    output: ArchiveOutput = 'output.html'
    output_path = os.path.join(out_dir, str(output))
    cmd = [
        *chrome_args(TIMEOUT=timeout),
        '--dump-dom',
        link.url
    ]
    status = 'succeeded'
    timer = TimedProgress(timeout, prefix='      ')
    try:
        with open(output_path, 'w+') as f:
            result = run(cmd, stdout=f, stderr=PIPE, cwd=out_dir, timeout=timeout)

        if result.returncode:
            hints = result.stderr.decode()
            raise ArchiveError('Failed to save DOM', hints)

        chmod_file(output, cwd=out_dir)
    except Exception as err:
        status = 'failed'
        output = err
    finally:
        timer.end()

    return ArchiveResult(
        cmd=cmd,
        pwd=out_dir,
        cmd_version=CHROME_VERSION,

def save_pdf(link: Link, out_dir: Optional[str]=None, timeout: int=TIMEOUT) -> ArchiveResult:
    """print PDF of site to file using chrome --headless"""

    out_dir = out_dir or link.link_dir
    output: ArchiveOutput = 'output.pdf'
    cmd = [
        *chrome_args(TIMEOUT=timeout),
        '--print-to-pdf',
        link.url,
    ]
    status = 'succeeded'
    timer = TimedProgress(timeout, prefix='      ')
    try:
        result = run(cmd, stdout=PIPE, stderr=PIPE, cwd=out_dir, timeout=timeout)

        if result.returncode:
            hints = (result.stderr or result.stdout).decode()
            raise ArchiveError('Failed to save PDF', hints)
        
        chmod_file('output.pdf', cwd=out_dir)
    except Exception as err:
        status = 'failed'
        output = err
    finally:
        timer.end()

    return ArchiveResult(
        cmd=cmd,
        pwd=out_dir,
        cmd_version=CHROME_VERSION,

"""download site favicon from google's favicon api"""

    out_dir = out_dir or link.link_dir
    output: ArchiveOutput = 'favicon.ico'
    cmd = [
        CURL_BINARY,
        '--max-time', str(timeout),
        '--location',
        '--output', str(output),
        *([] if CHECK_SSL_VALIDITY else ['--insecure']),
        'https://www.google.com/s2/favicons?domain={}'.format(domain(link.url)),
    ]
    status = 'succeeded'
    timer = TimedProgress(timeout, prefix='      ')
    try:
        run(cmd, stdout=PIPE, stderr=PIPE, cwd=out_dir, timeout=timeout)
        chmod_file(output, cwd=out_dir)
    except Exception as err:
        status = 'failed'
        output = err
    finally:
        timer.end()

    return ArchiveResult(
        cmd=cmd,
        pwd=out_dir,
        cmd_version=CURL_VERSION,
        output=output,
        status=status,
        **timer.stats,
    )