from .common import (get, multi_get, deep_get, multi_deep_get, liberal_update, conservative_update, remove_redirect, normalize_url, extract_str, extract_formatted_text, extract_int, extract_approx_int, extract_date, check_missing_keys, extract_item_info, extract_items, extract_response) import json import urllib.parse import traceback # from https://github.com/ytdl-org/youtube-dl/blob/master/youtube_dl/extractor/youtube.py _formats = { '5': {'ext': 'flv', 'width': 400, 'height': 240, 'acodec': 'mp3', 'audio_bitrate': 64, 'vcodec': 'h263'}, '6': {'ext': 'flv', 'width': 450, 'height': 270, 'acodec': 'mp3', 'audio_bitrate': 64, 'vcodec': 'h263'}, '13': {'ext': '3gp', 'acodec': 'aac', 'vcodec': 'mp4v'}, '17': {'ext': '3gp', 'width': 176, 'height': 144, 'acodec': 'aac', 'audio_bitrate': 24, 'vcodec': 'mp4v'}, '18': {'ext': 'mp4', 'width': 640, 'height': 360, 'acodec': 'aac', 'audio_bitrate': 96, 'vcodec': 'h264'}, '22': {'ext': 'mp4', 'width': 1280, 'height': 720, 'acodec': 'aac', 'audio_bitrate': 192, 'vcodec': 'h264'}, '34': {'ext': 'flv', 'width': 640, 'height': 360, 'acodec': 'aac', 'audio_bitrate': 128, 'vcodec': 'h264'}, '35': {'ext': 'flv', 'width': 854, 'height': 480, 'acodec': 'aac', 'audio_bitrate': 128, 'vcodec': 'h264'}, # itag 36 videos are either 320x180 (BaW_jenozKc) or 320x240 (__2ABJjxzNo), audio_bitrate varies as well '36': {'ext': '3gp', 'width': 320, 'acodec': 'aac', 'vcodec': 'mp4v'}, '37': {'ext': 'mp4', 'width': 1920, 'height': 1080, 'acodec': 'aac', 'audio_bitrate': 192, 'vcodec': 'h264'}, '38': {'ext': 'mp4', 'width': 4096, 'height': 3072, 'acodec': 'aac', 'audio_bitrate': 192, 'vcodec': 'h264'}, '43': {'ext': 'webm', 'width': 640, 'height': 360, 'acodec': 'vorbis', 'audio_bitrate': 128, 'vcodec': 'vp8'}, '44': {'ext': 'webm', 'width': 854, 'height': 480, 'acodec': 'vorbis', 'audio_bitrate': 128, 'vcodec': 'vp8'}, '45': {'ext': 'webm', 'width': 1280, 'height': 720, 'acodec': 'vorbis', 'audio_bitrate': 192, 'vcodec': 'vp8'}, '46': {'ext': 'webm', 'width': 1920, 'height': 1080, 'acodec': 'vorbis', 'audio_bitrate': 192, 'vcodec': 'vp8'}, '59': {'ext': 'mp4', 'width': 854, 'height': 480, 'acodec': 'aac', 'audio_bitrate': 128, 'vcodec': 'h264'}, '78': {'ext': 'mp4', 'width': 854, 'height': 480, 'acodec': 'aac', 'audio_bitrate': 128, 'vcodec': 'h264'}, # 3D videos '82': {'ext': 'mp4', 'height': 360, 'format_note': '3D', 'acodec': 'aac', 'audio_bitrate': 128, 'vcodec': 'h264'}, '83': {'ext': 'mp4', 'height': 480, 'format_note': '3D', 'acodec': 'aac', 'audio_bitrate': 128, 'vcodec': 'h264'}, '84': {'ext': 'mp4', 'height': 720, 'format_note': '3D', 'acodec': 'aac', 'audio_bitrate': 192, 'vcodec': 'h264'}, '85': {'ext': 'mp4', 'height': 1080, 'format_note': '3D', 'acodec': 'aac', 'audio_bitrate': 192, 'vcodec': 'h264'}, '100': {'ext': 'webm', 'height': 360, 'format_note': '3D', 'acodec': 'vorbis', 'audio_bitrate': 128, 'vcodec': 'vp8'}, '101': {'ext': 'webm', 'height': 480, 'format_note': '3D', 'acodec': 'vorbis', 'audio_bitrate': 192, 'vcodec': 'vp8'}, '102': {'ext': 'webm', 'height': 720, 'format_note': '3D', 'acodec': 'vorbis', 'audio_bitrate': 192, 'vcodec': 'vp8'}, # Apple HTTP Live Streaming '91': {'ext': 'mp4', 'height': 144, 'format_note': 'HLS', 'acodec': 'aac', 'audio_bitrate': 48, 'vcodec': 'h264'}, '92': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'acodec': 'aac', 'audio_bitrate': 48, 'vcodec': 'h264'}, '93': {'ext': 'mp4', 'height': 360, 'format_note': 'HLS', 'acodec': 'aac', 'audio_bitrate': 128, 'vcodec': 'h264'}, '94': {'ext': 'mp4', 'height': 480, 'format_note': 'HLS', 'acodec': 'aac', 'audio_bitrate': 128, 'vcodec': 'h264'}, '95': {'ext': 'mp4', 'height': 720, 'format_note': 'HLS', 'acodec': 'aac', 'audio_bitrate': 256, 'vcodec': 'h264'}, '96': {'ext': 'mp4', 'height': 1080, 'format_note': 'HLS', 'acodec': 'aac', 'audio_bitrate': 256, 'vcodec': 'h264'}, '132': {'ext': 'mp4', 'height': 240, 'format_note': 'HLS', 'acodec': 'aac', 'audio_bitrate': 48, 'vcodec': 'h264'}, '151': {'ext': 'mp4', 'height': 72, 'format_note': 'HLS', 'acodec': 'aac', 'audio_bitrate': 24, 'vcodec': 'h264'}, # DASH mp4 video '133': {'ext': 'mp4', 'height': 240, 'format_note': 'DASH video', 'vcodec': 'h264'}, '134': {'ext': 'mp4', 'height': 360, 'format_note': 'DASH video', 'vcodec': 'h264'}, '135': {'ext': 'mp4', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'h264'}, '136': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'h264'}, '137': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'h264'}, '138': {'ext': 'mp4', 'format_note': 'DASH video', 'vcodec': 'h264'}, # Height can vary (https://github.com/ytdl-org/youtube-dl/issues/4559) '160': {'ext': 'mp4', 'height': 144, 'format_note': 'DASH video', 'vcodec': 'h264'}, '212': {'ext': 'mp4', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'h264'}, '264': {'ext': 'mp4', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'h264'}, '298': {'ext': 'mp4', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'h264', 'fps': 60}, '299': {'ext': 'mp4', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'h264', 'fps': 60}, '266': {'ext': 'mp4', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'h264'}, # Dash mp4 audio '139': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'audio_bitrate': 48, 'container': 'm4a_dash'}, '140': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'audio_bitrate': 128, 'container': 'm4a_dash'}, '141': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'audio_bitrate': 256, 'container': 'm4a_dash'}, '256': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'container': 'm4a_dash'}, '258': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'container': 'm4a_dash'}, '325': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'dtse', 'container': 'm4a_dash'}, '328': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'ec-3', 'container': 'm4a_dash'}, # Dash webm '167': {'ext': 'webm', 'height': 360, 'width': 640, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'}, '168': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'}, '169': {'ext': 'webm', 'height': 720, 'width': 1280, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'}, '170': {'ext': 'webm', 'height': 1080, 'width': 1920, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'}, '218': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'}, '219': {'ext': 'webm', 'height': 480, 'width': 854, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp8'}, '278': {'ext': 'webm', 'height': 144, 'format_note': 'DASH video', 'container': 'webm', 'vcodec': 'vp9'}, '242': {'ext': 'webm', 'height': 240, 'format_note': 'DASH video', 'vcodec': 'vp9'}, '243': {'ext': 'webm', 'height': 360, 'format_note': 'DASH video', 'vcodec': 'vp9'}, '244': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'}, '245': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'}, '246': {'ext': 'webm', 'height': 480, 'format_note': 'DASH video', 'vcodec': 'vp9'}, '247': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'vp9'}, '248': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'vp9'}, '271': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'vp9'}, # itag 272 videos are either 3840x2160 (e.g. RtoitU2A-3E) or 7680x4320 (sLprVF6d7Ug) '272': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9'}, '302': {'ext': 'webm', 'height': 720, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60}, '303': {'ext': 'webm', 'height': 1080, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60}, '308': {'ext': 'webm', 'height': 1440, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60}, '313': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9'}, '315': {'ext': 'webm', 'height': 2160, 'format_note': 'DASH video', 'vcodec': 'vp9', 'fps': 60}, # Dash webm audio '171': {'ext': 'webm', 'acodec': 'vorbis', 'format_note': 'DASH audio', 'audio_bitrate': 128}, '172': {'ext': 'webm', 'acodec': 'vorbis', 'format_note': 'DASH audio', 'audio_bitrate': 256}, # Dash webm audio with opus inside '249': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'audio_bitrate': 50}, '250': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'audio_bitrate': 70}, '251': {'ext': 'webm', 'format_note': 'DASH audio', 'acodec': 'opus', 'audio_bitrate': 160}, # RTMP (unnamed) '_rtmp': {'protocol': 'rtmp'}, # av01 video only formats sometimes served with "unknown" codecs '394': {'vcodec': 'av01.0.05M.08'}, '395': {'vcodec': 'av01.0.05M.08'}, '396': {'vcodec': 'av01.0.05M.08'}, '397': {'vcodec': 'av01.0.05M.08'}, } def _extract_metadata_row_info(video_renderer_info): # extract category and music list info = { 'category': None, 'music_list': [], } current_song = {} for row in deep_get(video_renderer_info, 'metadataRowContainer', 'metadataRowContainerRenderer', 'rows', default=[]): row_title = extract_str(deep_get(row, 'metadataRowRenderer', 'title'), default='') row_content = extract_str(deep_get(row, 'metadataRowRenderer', 'contents', 0)) if row_title == 'Category': info['category'] = row_content elif row_title in ('Song', 'Music'): if current_song: info['music_list'].append(current_song) current_song = {'title': row_content} elif row_title == 'Artist': current_song['artist'] = row_content elif row_title == 'Album': current_song['album'] = row_content elif row_title == 'Writers': current_song['writers'] = row_content elif row_title.startswith('Licensed'): current_song['licensor'] = row_content if current_song: info['music_list'].append(current_song) return info def _extract_watch_info_mobile(top_level): info = {} microformat = deep_get(top_level, 'playerResponse', 'microformat', 'playerMicroformatRenderer', default={}) family_safe = microformat.get('isFamilySafe') if family_safe is None: info['age_restricted'] = None else: info['age_restricted'] = not family_safe info['allowed_countries'] = microformat.get('availableCountries', []) info['time_published'] = microformat.get('publishDate') response = top_level.get('response', {}) # video info from metadata renderers items, _ = extract_items(response, item_types={'slimVideoMetadataRenderer'}) if items: video_info = items[0]['slimVideoMetadataRenderer'] else: print('Failed to extract video metadata') video_info = {} info.update(_extract_metadata_row_info(video_info)) info['description'] = extract_str(video_info.get('description'), recover_urls=True) info['view_count'] = extract_int(extract_str(video_info.get('expandedSubtitle'))) info['author'] = extract_str(deep_get(video_info, 'owner', 'slimOwnerRenderer', 'title')) info['author_id'] = deep_get(video_info, 'owner', 'slimOwnerRenderer', 'navigationEndpoint', 'browseEndpoint', 'browseId') info['title'] = extract_str(video_info.get('title')) info['live'] = 'watching' in extract_str(video_info.get('expandedSubtitle'), default='') info['unlisted'] = False for badge in video_info.get('badges', []): if deep_get(badge, 'metadataBadgeRenderer', 'label') == 'Unlisted': info['unlisted'] = True info['like_count'] = None info['dislike_count'] = None if not info['time_published']: info['time_published'] = extract_date(extract_str(video_info.get('dateText', None))) for button in video_info.get('buttons', ()): button_renderer = button.get('slimMetadataToggleButtonRenderer', {}) # all the digits can be found in the accessibility data count = extract_int(deep_get(button_renderer, 'button', 'toggleButtonRenderer', 'defaultText', 'accessibility', 'accessibilityData', 'label')) # this count doesn't have all the digits, it's like 53K for instance dumb_count = extract_int(extract_str(deep_get(button_renderer, 'button', 'toggleButtonRenderer', 'defaultText'))) # the accessibility text will be "No likes" or "No dislikes" or something like that, but dumb count will be 0 if dumb_count == 0: count = 0 if 'isLike' in button_renderer: info['like_count'] = count elif 'isDislike' in button_renderer: info['dislike_count'] = count # comment section info items, _ = extract_items(response, item_types={'commentSectionRenderer'}) if items: comment_info = items[0]['commentSectionRenderer'] comment_count_text = extract_str(deep_get(comment_info, 'header', 'commentSectionHeaderRenderer', 'countText')) if comment_count_text == 'Comments': # just this with no number, means 0 comments info['comment_count'] = 0 else: info['comment_count'] = extract_int(comment_count_text) info['comments_disabled'] = False else: # no comment section present means comments are disabled info['comment_count'] = 0 info['comments_disabled'] = True # check for limited state items, _ = extract_items(response, item_types={'limitedStateMessageRenderer'}) if items: info['limited_state'] = True else: info['limited_state'] = False # related videos related, _ = extract_items(response) info['related_videos'] = [extract_item_info(renderer) for renderer in related] return info month_abbreviations = {'jan':'1', 'feb':'2', 'mar':'3', 'apr':'4', 'may':'5', 'jun':'6', 'jul':'7', 'aug':'8', 'sep':'9', 'oct':'10', 'nov':'11', 'dec':'12'} def _extract_watch_info_desktop(top_level): info = { 'comment_count': None, 'comments_disabled': None, 'allowed_countries': None, 'limited_state': None, } video_info = {} for renderer in deep_get(top_level, 'response', 'contents', 'twoColumnWatchNextResults', 'results', 'results', 'contents', default=()): if renderer and list(renderer.keys())[0] in ('videoPrimaryInfoRenderer', 'videoSecondaryInfoRenderer'): video_info.update(list(renderer.values())[0]) info.update(_extract_metadata_row_info(video_info)) info['description'] = extract_str(video_info.get('description', None), recover_urls=True) info['time_published'] = extract_date(extract_str(video_info.get('dateText', None))) likes_dislikes = deep_get(video_info, 'sentimentBar', 'sentimentBarRenderer', 'tooltip', default='').split('/') if len(likes_dislikes) == 2: info['like_count'] = extract_int(likes_dislikes[0]) info['dislike_count'] = extract_int(likes_dislikes[1]) else: info['like_count'] = None info['dislike_count'] = None info['title'] = extract_str(video_info.get('title', None)) info['author'] = extract_str(deep_get(video_info, 'owner', 'videoOwnerRenderer', 'title')) info['author_id'] = deep_get(video_info, 'owner', 'videoOwnerRenderer', 'navigationEndpoint', 'browseEndpoint', 'browseId') info['view_count'] = extract_int(extract_str(deep_get(video_info, 'viewCount', 'videoViewCountRenderer', 'viewCount'))) related = deep_get(top_level, 'response', 'contents', 'twoColumnWatchNextResults', 'secondaryResults', 'secondaryResults', 'results', default=[]) info['related_videos'] = [extract_item_info(renderer) for renderer in related] return info def _extract_formats(info, player_response): streaming_data = player_response.get('streamingData', {}) yt_formats = streaming_data.get('formats', []) + streaming_data.get('adaptiveFormats', []) info['formats'] = [] for yt_fmt in yt_formats: fmt = {} fmt['ext'] = None fmt['audio_bitrate'] = None fmt['acodec'] = None fmt['vcodec'] = None fmt['width'] = yt_fmt.get('width') fmt['height'] = yt_fmt.get('height') fmt['file_size'] = yt_fmt.get('contentLength') fmt['audio_sample_rate'] = yt_fmt.get('audioSampleRate') fmt['fps'] = yt_fmt.get('fps') cipher = dict(urllib.parse.parse_qsl(yt_fmt.get('cipher', ''))) if cipher: fmt['url'] = cipher.get('url') else: fmt['url'] = yt_fmt.get('url') fmt['s'] = cipher.get('s') fmt['sp'] = cipher.get('sp') fmt.update(_formats.get(str(yt_fmt.get('itag')), {})) info['formats'].append(fmt) def _extract_playability_error(info, player_response, error_prefix=''): if info['formats']: info['playability_status'] = None info['playability_error'] = None return playability_status = deep_get(player_response, 'playabilityStatus', 'status', default=None) info['playability_status'] = playability_status playability_reason = extract_str(multi_deep_get(player_response, ['playabilityStatus', 'reason'], ['playabilityStatus', 'errorScreen', 'playerErrorMessageRenderer', 'reason'], default='Could not find playability error') ) if playability_status not in (None, 'OK'): info['playability_error'] = error_prefix + playability_reason else: info['playability_error'] = error_prefix + 'Unknown playability error' SUBTITLE_FORMATS = ('srv1', 'srv2', 'srv3', 'ttml', 'vtt') def extract_watch_info(polymer_json): info = {'playability_error': None, 'error': None} if isinstance(polymer_json, dict): top_level = polymer_json elif isinstance(polymer_json, (list, tuple)): top_level = {} for page_part in polymer_json: if not isinstance(page_part, dict): return {'error': 'Invalid page part'} top_level.update(page_part) else: return {'error': 'Invalid top level polymer data'} error = check_missing_keys(top_level, ['player', 'args'], ['player', 'assets', 'js'], ['playerResponse'], ) if error: info['playability_error'] = error player_args = deep_get(top_level, 'player', 'args', default={}) player_response = json.loads(player_args['player_response']) if 'player_response' in player_args else {} # captions info['automatic_caption_languages'] = [] info['manual_caption_languages'] = [] info['_manual_caption_language_names'] = {} # language name written in that language, needed in some cases to create the url info['translation_languages'] = [] captions_info = player_response.get('captions', {}) info['_captions_base_url'] = normalize_url(deep_get(captions_info, 'playerCaptionsRenderer', 'baseUrl')) for caption_track in deep_get(captions_info, 'playerCaptionsTracklistRenderer', 'captionTracks', default=()): lang_code = caption_track.get('languageCode') if not lang_code: continue if caption_track.get('kind') == 'asr': info['automatic_caption_languages'].append(lang_code) else: info['manual_caption_languages'].append(lang_code) base_url = caption_track.get('baseUrl', '') lang_name = deep_get(urllib.parse.parse_qs(urllib.parse.urlparse(base_url).query), 'name', 0) if lang_name: info['_manual_caption_language_names'][lang_code] = lang_name for translation_lang_info in deep_get(captions_info, 'playerCaptionsTracklistRenderer', 'translationLanguages', default=()): lang_code = translation_lang_info.get('languageCode') if lang_code: info['translation_languages'].append(lang_code) if translation_lang_info.get('isTranslatable') == False: print('WARNING: Found non-translatable caption language') # formats _extract_formats(info, player_response) # playability errors _extract_playability_error(info, player_response) # check age-restriction info['age_restricted'] = (info['playability_status'] == 'LOGIN_REQUIRED' and info['playability_error'] and ' age' in info['playability_error']) # base_js (for decryption of signatures) info['base_js'] = deep_get(top_level, 'player', 'assets', 'js') if info['base_js']: info['base_js'] = normalize_url(info['base_js']) mobile = 'singleColumnWatchNextResults' in deep_get(top_level, 'response', 'contents', default={}) if mobile: info.update(_extract_watch_info_mobile(top_level)) else: info.update(_extract_watch_info_desktop(top_level)) # stuff from videoDetails. Use liberal_update to prioritize info from videoDetails over existing info vd = deep_get(top_level, 'playerResponse', 'videoDetails', default={}) liberal_update(info, 'title', extract_str(vd.get('title'))) liberal_update(info, 'duration', extract_int(vd.get('lengthSeconds'))) liberal_update(info, 'view_count', extract_int(vd.get('viewCount'))) # videos with no description have a blank string liberal_update(info, 'description', vd.get('shortDescription')) liberal_update(info, 'id', vd.get('videoId')) liberal_update(info, 'author', vd.get('author')) liberal_update(info, 'author_id', vd.get('channelId')) liberal_update(info, 'live', vd.get('isLiveContent')) conservative_update(info, 'unlisted', not vd.get('isCrawlable', True)) #isCrawlable is false on limited state videos even if they aren't unlisted liberal_update(info, 'tags', vd.get('keywords', [])) # fallback stuff from microformat mf = deep_get(top_level, 'playerResponse', 'microformat', 'playerMicroformatRenderer', default={}) conservative_update(info, 'title', extract_str(mf.get('title'))) conservative_update(info, 'duration', extract_int(mf.get('lengthSeconds'))) # this gives the view count for limited state videos conservative_update(info, 'view_count', extract_int(mf.get('viewCount'))) conservative_update(info, 'description', extract_str(mf.get('description'), recover_urls=True)) conservative_update(info, 'author', mf.get('ownerChannelName')) conservative_update(info, 'author_id', mf.get('externalChannelId')) liberal_update(info, 'unlisted', mf.get('isUnlisted')) liberal_update(info, 'category', mf.get('category')) liberal_update(info, 'time_published', mf.get('publishDate')) liberal_update(info, 'time_uploaded', mf.get('uploadDate')) # other stuff info['author_url'] = 'https://www.youtube.com/channel/' + info['author_id'] if info['author_id'] else None return info def get_caption_url(info, language, format, automatic=False, translation_language=None): '''Gets the url for captions with the given language and format. If automatic is True, get the automatic captions for that language. If translation_language is given, translate the captions from `language` to `translation_language`. If automatic is true and translation_language is given, the automatic captions will be translated.''' url = info['_captions_base_url'] url += '&lang=' + language url += '&fmt=' + format if automatic: url += '&kind=asr' elif language in info['_manual_caption_language_names']: url += '&name=' + urllib.parse.quote(info['_manual_caption_language_names'][language], safe='') if translation_language: url += '&tlang=' + translation_language return url def update_with_age_restricted_info(info, video_info_page): ERROR_PREFIX = 'Error bypassing age-restriction: ' video_info = urllib.parse.parse_qs(video_info_page) player_response = deep_get(video_info, 'player_response', 0) if player_response is None: info['playability_error'] = ERROR_PREFIX + 'Could not find player_response in video_info_page' return try: player_response = json.loads(player_response) except json.decoder.JSONDecodeError: traceback.print_exc() info['playability_error'] = ERROR_PREFIX + 'Failed to parse json response' return _extract_formats(info, player_response) _extract_playability_error(info, player_response, error_prefix=ERROR_PREFIX)