commit a2d821d7112fb1423f99ddf309a843c80cc3be2d
parent 6df196f32e68ec22bd854c4d779b9d94e04e63b2
Author: Sergey M․ <dstftw@gmail.com>
Date:   Tue, 29 Jan 2019 23:33:09 +0700

[drtv] Improve extraction (closes #19039)
+ Add support for EncryptedUri videos
+ Extract more metadata
* Fix subtitles extraction

Diffstat:
Myoutube_dl/extractor/drtv.py | 133++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-------------------
1 file changed, 102 insertions(+), 31 deletions(-)

diff --git a/youtube_dl/extractor/drtv.py b/youtube_dl/extractor/drtv.py @@ -1,15 +1,25 @@ # coding: utf-8 from __future__ import unicode_literals +import binascii +import hashlib +import re + + from .common import InfoExtractor +from ..aes import aes_cbc_decrypt +from ..compat import compat_urllib_parse_unquote from ..utils import ( + bytes_to_intlist, ExtractorError, int_or_none, + intlist_to_bytes, float_or_none, mimetype2ext, - parse_iso8601, - remove_end, + str_or_none, + unified_timestamp, update_url_query, + url_or_none, ) @@ -20,23 +30,31 @@ class DRTVIE(InfoExtractor): IE_NAME = 'drtv' _TESTS = [{ 'url': 'https://www.dr.dk/tv/se/boern/ultra/klassen-ultra/klassen-darlig-taber-10', - 'md5': '7ae17b4e18eb5d29212f424a7511c184', + 'md5': '25e659cccc9a2ed956110a299fdf5983', 'info_dict': { 'id': 'klassen-darlig-taber-10', 'ext': 'mp4', 'title': 'Klassen - Dårlig taber (10)', 'description': 'md5:815fe1b7fa656ed80580f31e8b3c79aa', - 'timestamp': 1471991907, - 'upload_date': '20160823', + 'timestamp': 1539085800, + 'upload_date': '20181009', 'duration': 606.84, + 'series': 'Klassen', + 'season': 'Klassen I', + 'season_number': 1, + 'season_id': 'urn:dr:mu:bundle:57d7e8216187a4031cfd6f6b', + 'episode': 'Episode 10', + 'episode_number': 10, + 'release_year': 2016, }, + 'expected_warnings': ['Unable to download f4m manifest'], }, { # embed 'url': 'https://www.dr.dk/nyheder/indland/live-christianias-rydning-af-pusher-street-er-i-gang', 'info_dict': { - 'id': 'christiania-pusher-street-ryddes-drdkrjpo', + 'id': 'urn:dr:mu:programcard:57c926176187a50a9c6e83c6', 'ext': 'mp4', - 'title': 'LIVE Christianias rydning af Pusher Street er i gang', + 'title': 'christiania pusher street ryddes drdkrjpo', 'description': 'md5:2a71898b15057e9b97334f61d04e6eb5', 'timestamp': 1472800279, 'upload_date': '20160902', @@ -45,17 +63,18 @@ class DRTVIE(InfoExtractor): 'params': { 'skip_download': True, }, + 'expected_warnings': ['Unable to download f4m manifest'], }, { # with SignLanguage formats 'url': 'https://www.dr.dk/tv/se/historien-om-danmark/-/historien-om-danmark-stenalder', 'info_dict': { 'id': 'historien-om-danmark-stenalder', 'ext': 'mp4', - 'title': 'Historien om Danmark: Stenalder (1)', + 'title': 'Historien om Danmark: Stenalder', 'description': 'md5:8c66dcbc1669bbc6f873879880f37f2a', - 'timestamp': 1490401996, - 'upload_date': '20170325', - 'duration': 3502.04, + 'timestamp': 1546628400, + 'upload_date': '20190104', + 'duration': 3502.56, 'formats': 'mincount:20', }, 'params': { @@ -74,19 +93,26 @@ class DRTVIE(InfoExtractor): video_id = self._search_regex( (r'data-(?:material-identifier|episode-slug)="([^"]+)"', - r'data-resource="[^>"]+mu/programcard/expanded/([^"]+)"'), - webpage, 'video id') + r'data-resource="[^>"]+mu/programcard/expanded/([^"]+)"'), + webpage, 'video id', default=None) + + if not video_id: + video_id = compat_urllib_parse_unquote(self._search_regex( + r'(urn(?:%3A|:)dr(?:%3A|:)mu(?:%3A|:)programcard(?:%3A|:)[\da-f]+)', + webpage, 'urn')) data = self._download_json( 'https://www.dr.dk/mu-online/api/1.4/programcard/%s' % video_id, video_id, 'Downloading video JSON', query={'expanded': 'true'}) - title = remove_end(self._og_search_title( - webpage, default=None), ' | TV | DR') or data['Title'] + title = str_or_none(data.get('Title')) or re.sub( + r'\s*\|\s*(?:TV\s*\|\s*DR|DRTV)$', '', + self._og_search_title(webpage)) description = self._og_search_description( webpage, default=None) or data.get('Description') - timestamp = parse_iso8601(data.get('CreatedTime')) + timestamp = unified_timestamp( + data.get('PrimaryBroadcastStartTime') or data.get('SortDateTime')) thumbnail = None duration = None @@ -96,10 +122,34 @@ class DRTVIE(InfoExtractor): formats = [] subtitles = {} - for asset in [data['PrimaryAsset']]: + assets = [] + primary_asset = data.get('PrimaryAsset') + if isinstance(primary_asset, dict): + assets.append(primary_asset) + secondary_assets = data.get('SecondaryAssets') + if isinstance(secondary_assets, list): + for secondary_asset in secondary_assets: + if isinstance(secondary_asset, dict): + assets.append(secondary_asset) + + def hex_to_bytes(hex): + return binascii.a2b_hex(hex.encode('ascii')) + + def decrypt_uri(e): + n = int(e[2:10], 16) + a = e[10 + n:] + data = bytes_to_intlist(hex_to_bytes(e[10:10 + n])) + key = bytes_to_intlist(hashlib.sha256( + ('%s:sRBzYNXBzkKgnjj8pGtkACch' % a).encode('utf-8')).digest()) + iv = bytes_to_intlist(hex_to_bytes(a)) + decrypted = aes_cbc_decrypt(data, key, iv) + return intlist_to_bytes( + decrypted[:-decrypted[-1]]).decode('utf-8').split('?')[0] + + for asset in assets: kind = asset.get('Kind') if kind == 'Image': - thumbnail = asset.get('Uri') + thumbnail = url_or_none(asset.get('Uri')) elif kind in ('VideoResource', 'AudioResource'): duration = float_or_none(asset.get('DurationInMilliseconds'), 1000) restricted_to_denmark = asset.get('RestrictedToDenmark') @@ -107,6 +157,17 @@ class DRTVIE(InfoExtractor): for link in asset.get('Links', []): uri = link.get('Uri') if not uri: + encrypted_uri = link.get('EncryptedUri') + if not encrypted_uri: + continue + try: + uri = decrypt_uri(encrypted_uri) + except Exception: + self.report_warning( + 'Unable to decrypt EncryptedUri', video_id) + continue + uri = url_or_none(uri) + if not uri: continue target = link.get('Target') format_id = target or '' @@ -139,19 +200,22 @@ class DRTVIE(InfoExtractor): 'vcodec': 'none' if kind == 'AudioResource' else None, 'preference': preference, }) - subtitles_list = asset.get('SubtitlesList') - if isinstance(subtitles_list, list): - LANGS = { - 'Danish': 'da', - } - for subs in subtitles_list: - if not subs.get('Uri'): - continue - lang = subs.get('Language') or 'da' - subtitles.setdefault(LANGS.get(lang, lang), []).append({ - 'url': subs['Uri'], - 'ext': mimetype2ext(subs.get('MimeType')) or 'vtt' - }) + subtitles_list = asset.get('SubtitlesList') or asset.get('Subtitleslist') + if isinstance(subtitles_list, list): + LANGS = { + 'Danish': 'da', + } + for subs in subtitles_list: + if not isinstance(subs, dict): + continue + sub_uri = url_or_none(subs.get('Uri')) + if not sub_uri: + continue + lang = subs.get('Language') or 'da' + subtitles.setdefault(LANGS.get(lang, lang), []).append({ + 'url': sub_uri, + 'ext': mimetype2ext(subs.get('MimeType')) or 'vtt' + }) if not formats and restricted_to_denmark: self.raise_geo_restricted( @@ -169,6 +233,13 @@ class DRTVIE(InfoExtractor): 'duration': duration, 'formats': formats, 'subtitles': subtitles, + 'series': str_or_none(data.get('SeriesTitle')), + 'season': str_or_none(data.get('SeasonTitle')), + 'season_number': int_or_none(data.get('SeasonNumber')), + 'season_id': str_or_none(data.get('SeasonUrn')), + 'episode': str_or_none(data.get('EpisodeTitle')), + 'episode_number': int_or_none(data.get('EpisodeNumber')), + 'release_year': int_or_none(data.get('ProductionYear')), }