def fetch_media(link_dir, link, timeout=MEDIA_TIMEOUT): """Download playlists or individual video, audio, and subtitles using youtube-dl""" output = 'media' output_path = os.path.join(link_dir, 'media') os.makedirs(output_path, exist_ok=True) cmd = [ YOUTUBEDL_BINARY, '--write-description', '--write-info-json', '--write-annotations', '--yes-playlist', '--write-thumbnail', '--no-call-home', '--no-check-certificate', '--user-agent', '--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=link_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 download media', hints) except Exception as err: status = 'failed' output = err finally: timer.end() return { 'cmd': cmd, 'pwd': link_dir, 'output': output, 'status': status, **timer.stats, }
def archive_dot_org(link_dir, link, timeout=TIMEOUT): """submit site to archive.org for archiving via their service, save returned archive url""" output = 'archive.org.txt' archive_org_url = None submit_url = 'https://web.archive.org/save/{}'.format(link['url']) cmd = [ CURL_BINARY, '--location', '--head', '--user-agent', 'ArchiveBox/{} (+https://github.com/pirate/ArchiveBox/)'.format( GIT_SHA ), # be nice to the Archive.org people and show them where all this ArchiveBox traffic is coming from '--max-time', str(timeout), *(() if CHECK_SSL_VALIDITY else ('--insecure', )), submit_url, ] status = 'succeeded' timer = TimedProgress(timeout, prefix=' ') try: result = run(cmd, stdout=PIPE, stderr=DEVNULL, cwd=link_dir, timeout=timeout) content_location, errors = parse_archive_dot_org_response( result.stdout) if content_location: archive_org_url = 'https://web.archive.org{}'.format( content_location[0]) elif len(errors) == 1 and 'RobotAccessControlException' in errors[0]: archive_org_url = None # raise ArchiveError('Archive.org denied by {}/robots.txt'.format(domain(link['url']))) elif errors: raise ArchiveError(', '.join(errors)) else: raise ArchiveError( 'Failed to find "content-location" URL header in Archive.org response.' ) except Exception as err: status = 'failed' output = err finally: timer.end() if not isinstance(output, Exception): # instead of writing None when archive.org rejects the url write the # url to resubmit it to archive.org. This is so when the user visits # the URL in person, it will attempt to re-archive it, and it'll show the # nicer error message explaining why the url was rejected if it fails. archive_org_url = archive_org_url or submit_url with open(os.path.join(link_dir, output), 'w', encoding='utf-8') as f: f.write(archive_org_url) chmod_file('archive.org.txt', cwd=link_dir) output = archive_org_url return { 'cmd': cmd, 'pwd': link_dir, 'output': output, 'status': status, **timer.stats, }
def fetch_wget(link_dir, link, timeout=TIMEOUT): """download full site using wget""" if FETCH_WARC: warc_dir = os.path.join(link_dir, 'warc') os.makedirs(warc_dir, exist_ok=True) warc_path = os.path.join('warc', str(int(datetime.now().timestamp()))) # WGET CLI Docs: https://www.gnu.org/software/wget/manual/wget.html output = None cmd = [ WGET_BINARY, # '--server-response', # print headers for better error parsing '--no-verbose', '--adjust-extension', '--convert-links', '--force-directories', '--backup-converted', '--span-hosts', '--no-parent', '-e', 'robots=off', '--restrict-file-names=unix', '--timeout={}'.format(timeout), *(('--compression=auto', ) if WGET_AUTO_COMPRESSION else ()), *(() if FETCH_WARC else ('--timestamping', )), *(('--warc-file={}'.format(warc_path), ) if FETCH_WARC else ()), *(('--page-requisites', ) if FETCH_WGET_REQUISITES else ()), *(('--user-agent={}'.format(WGET_USER_AGENT), ) if WGET_USER_AGENT else ()), *(('--load-cookies', COOKIES_FILE) if COOKIES_FILE 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=link_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 if result.returncode > 0 and files_downloaded < 1: hints = ( 'Got wget response code: {}.'.format(result.returncode), *output_tail, ) if b'403: Forbidden' in result.stderr: raise ArchiveError( '403 Forbidden (try changing WGET_USER_AGENT)', hints) if b'404: Not Found' in result.stderr: raise ArchiveError('404 Not Found', hints) if b'ERROR 500: Internal Server Error' in result.stderr: raise ArchiveError('500 Internal Server Error', hints) raise ArchiveError('Got an error from the server', hints) except Exception as err: status = 'failed' output = err finally: timer.end() return { 'cmd': cmd, 'pwd': link_dir, 'output': output, 'status': status, **timer.stats, }