yt-dlp/yt_dlp/extractor/digitalconcerthall.py

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from .common import InfoExtractor
from ..networking.exceptions import HTTPError
from ..utils import (
ExtractorError,
parse_codecs,
try_get,
url_or_none,
urlencode_postdata,
)
from ..utils.traversal import traverse_obj
class DigitalConcertHallIE(InfoExtractor):
IE_DESC = 'DigitalConcertHall extractor'
_VALID_URL = r'https?://(?:www\.)?digitalconcerthall\.com/(?P<language>[a-z]+)/(?P<type>film|concert|work)/(?P<id>[0-9]+)-?(?P<part>[0-9]+)?'
_OAUTH_URL = 'https://api.digitalconcerthall.com/v2/oauth2/token'
_USER_AGENT = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.5 Safari/605.1.15'
_ACCESS_TOKEN = None
_NETRC_MACHINE = 'digitalconcerthall'
_TESTS = [{
'note': 'Playlist with only one video',
'url': 'https://www.digitalconcerthall.com/en/concert/53201',
'info_dict': {
'id': '53201-1',
'ext': 'mp4',
'composer': 'Kurt Weill',
'title': '[Magic Night]',
'thumbnail': r're:^https?://images.digitalconcerthall.com/cms/thumbnails.*\.jpg$',
'upload_date': '20210624',
'timestamp': 1624548600,
'duration': 2798,
'album_artists': ['Members of the Berliner Philharmoniker', 'Simon Rössler'],
'composers': ['Kurt Weill'],
},
'params': {'skip_download': 'm3u8'},
}, {
'note': 'Concert with several works and an interview',
'url': 'https://www.digitalconcerthall.com/en/concert/53785',
'info_dict': {
'id': '53785',
'album_artists': ['Berliner Philharmoniker', 'Kirill Petrenko'],
'title': 'Kirill Petrenko conducts Mendelssohn and Shostakovich',
'thumbnail': r're:^https?://images.digitalconcerthall.com/cms/thumbnails.*\.jpg$',
},
'params': {'skip_download': 'm3u8'},
'playlist_count': 3,
}, {
'url': 'https://www.digitalconcerthall.com/en/film/388',
'info_dict': {
'id': '388',
'ext': 'mp4',
'title': 'The Berliner Philharmoniker and Frank Peter Zimmermann',
'description': 'md5:cfe25a7044fa4be13743e5089b5b5eb2',
'thumbnail': r're:^https?://images.digitalconcerthall.com/cms/thumbnails.*\.jpg$',
'upload_date': '20220714',
'timestamp': 1657785600,
'album_artists': ['Frank Peter Zimmermann', 'Benedikt von Bernstorff', 'Jakob von Bernstorff'],
},
'params': {'skip_download': 'm3u8'},
}, {
'note': 'Concert with several works and an interview',
'url': 'https://www.digitalconcerthall.com/en/work/53785-1',
'info_dict': {
'id': '53785',
'album_artists': ['Berliner Philharmoniker', 'Kirill Petrenko'],
'title': 'Kirill Petrenko conducts Mendelssohn and Shostakovich',
'thumbnail': r're:^https?://images.digitalconcerthall.com/cms/thumbnails.*\.jpg$',
},
'params': {'skip_download': 'm3u8'},
'playlist_count': 1,
}]
def _perform_login(self, username, password):
login_token = self._download_json(
self._OAUTH_URL,
None, 'Obtaining token', errnote='Unable to obtain token', data=urlencode_postdata({
'affiliate': 'none',
'grant_type': 'device',
'device_vendor': 'unknown',
# device_model 'Safari' gets split streams of 4K/HEVC video and lossless/FLAC audio
'device_model': 'unknown' if self._configuration_arg('prefer_combined_hls') else 'Safari',
'app_id': 'dch.webapp',
'app_distributor': 'berlinphil',
'app_version': '1.84.0',
'client_secret': '2ySLN+2Fwb',
}), headers={
'Accept': 'application/json',
'Content-Type': 'application/x-www-form-urlencoded;charset=UTF-8',
'User-Agent': self._USER_AGENT,
})['access_token']
try:
login_response = self._download_json(
self._OAUTH_URL,
None, note='Logging in', errnote='Unable to login', data=urlencode_postdata({
'grant_type': 'password',
'username': username,
'password': password,
}), headers={
'Accept': 'application/json',
'Content-Type': 'application/x-www-form-urlencoded;charset=UTF-8',
'Referer': 'https://www.digitalconcerthall.com',
'Authorization': f'Bearer {login_token}',
'User-Agent': self._USER_AGENT,
})
except ExtractorError as error:
if isinstance(error.cause, HTTPError) and error.cause.status == 401:
raise ExtractorError('Invalid username or password', expected=True)
raise
self._ACCESS_TOKEN = login_response['access_token']
def _real_initialize(self):
if not self._ACCESS_TOKEN:
self.raise_login_required(method='password')
def _entries(self, items, language, type_, **kwargs):
for item in items:
video_id = item['id']
stream_info = self._download_json(
self._proto_relative_url(item['_links']['streams']['href']), video_id, headers={
'Accept': 'application/json',
'Authorization': f'Bearer {self._ACCESS_TOKEN}',
'Accept-Language': language,
'User-Agent': self._USER_AGENT,
})
formats = []
for m3u8_url in traverse_obj(stream_info, ('channel', ..., 'stream', ..., 'url', {url_or_none})):
formats.extend(self._extract_m3u8_formats(m3u8_url, video_id, 'mp4', m3u8_id='hls', fatal=False))
for fmt in formats:
if fmt.get('format_note') and fmt.get('vcodec') == 'none':
fmt.update(parse_codecs(fmt['format_note']))
yield {
'id': video_id,
'title': item.get('title'),
'composer': item.get('name_composer'),
'formats': formats,
'duration': item.get('duration_total'),
'timestamp': traverse_obj(item, ('date', 'published')),
'description': item.get('short_description') or stream_info.get('short_description'),
**kwargs,
'chapters': [{
'start_time': chapter.get('time'),
'end_time': try_get(chapter, lambda x: x['time'] + x['duration']),
'title': chapter.get('text'),
} for chapter in item['cuepoints']] if item.get('cuepoints') and type_ == 'concert' else None,
}
def _real_extract(self, url):
language, type_, video_id, part = self._match_valid_url(url).group('language', 'type', 'id', 'part')
if not language:
language = 'en'
api_type = 'concert' if type_ == 'work' else type_
vid_info = self._download_json(
f'https://api.digitalconcerthall.com/v2/{api_type}/{video_id}', video_id, headers={
'Accept': 'application/json',
'Accept-Language': language,
'User-Agent': self._USER_AGENT,
'Authorization': f'Bearer {self._ACCESS_TOKEN}',
})
videos = [vid_info] if type_ == 'film' else traverse_obj(vid_info, ('_embedded', ..., ...))
if type_ == 'work':
videos = [videos[int(part) - 1]]
album_artists = traverse_obj(vid_info, ('_links', 'artist', ..., 'name', {str}))
thumbnail = traverse_obj(vid_info, (
'image', ..., {self._proto_relative_url}, {url_or_none},
{lambda x: x.format(width=0, height=0)}, any)) # NB: 0x0 is the original size
return {
'_type': 'playlist',
'id': video_id,
'title': vid_info.get('title'),
'entries': self._entries(
videos, language, type_, thumbnail=thumbnail, album_artists=album_artists),
'thumbnail': thumbnail,
'album_artists': album_artists,
}