yt-dlp/yt_dlp/extractor/jiosaavn.py

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import functools
from .common import InfoExtractor
from ..utils import (
format_field,
int_or_none,
js_to_json,
make_archive_id,
smuggle_url,
unsmuggle_url,
url_basename,
url_or_none,
urlencode_postdata,
)
from ..utils.traversal import traverse_obj
class JioSaavnBaseIE(InfoExtractor):
_VALID_BITRATES = {'16', '32', '64', '128', '320'}
@functools.cached_property
def requested_bitrates(self):
requested_bitrates = self._configuration_arg('bitrate', ['128', '320'], ie_key='JioSaavn')
if invalid_bitrates := set(requested_bitrates) - self._VALID_BITRATES:
raise ValueError(
f'Invalid bitrate(s): {", ".join(invalid_bitrates)}. '
+ f'Valid bitrates are: {", ".join(sorted(self._VALID_BITRATES, key=int))}')
return requested_bitrates
def _extract_formats(self, song_data):
for bitrate in self.requested_bitrates:
media_data = self._download_json(
'https://www.jiosaavn.com/api.php', song_data['id'],
f'Downloading format info for {bitrate}',
fatal=False, data=urlencode_postdata({
'__call': 'song.generateAuthToken',
'_format': 'json',
'bitrate': bitrate,
'url': song_data['encrypted_media_url'],
}))
if not traverse_obj(media_data, ('auth_url', {url_or_none})):
self.report_warning(f'Unable to extract format info for {bitrate}')
continue
ext = media_data.get('type')
yield {
'url': media_data['auth_url'],
'ext': 'm4a' if ext == 'mp4' else ext,
'format_id': bitrate,
'abr': int(bitrate),
'vcodec': 'none',
}
def _extract_song(self, song_data):
info = traverse_obj(song_data, {
'id': ('id', {str}),
'title': ('title', 'text', {str}),
'album': ('album', 'text', {str}),
'thumbnail': ('image', 0, {url_or_none}),
'duration': ('duration', {int_or_none}),
'view_count': ('play_count', {int_or_none}),
'release_year': ('year', {int_or_none}),
'artists': ('artists', lambda _, v: v['role'] == 'singer', 'name', {str}),
'webpage_url': ('perma_url', {url_or_none}), # for song, playlist extraction
})
if not info.get('webpage_url'): # for album extraction / fallback
info['webpage_url'] = format_field(
song_data, [('title', 'action')], 'https://www.jiosaavn.com%s') or None
if webpage_url := info['webpage_url']:
info['_old_archive_ids'] = [make_archive_id(JioSaavnSongIE, url_basename(webpage_url))]
return info
def _extract_initial_data(self, url, display_id):
webpage = self._download_webpage(url, display_id)
return self._search_json(
r'window\.__INITIAL_DATA__\s*=', webpage,
'initial data', display_id, transform_source=js_to_json)
class JioSaavnSongIE(JioSaavnBaseIE):
IE_NAME = 'jiosaavn:song'
_VALID_URL = r'https?://(?:www\.)?(?:jiosaavn\.com/song/[^/?#]+/|saavn\.com/s/song/(?:[^/?#]+/){3})(?P<id>[^/?#]+)'
_TESTS = [{
'url': 'https://www.jiosaavn.com/song/leja-re/OQsEfQFVUXk',
'md5': '3b84396d15ed9e083c3106f1fa589c04',
'info_dict': {
'id': 'IcoLuefJ',
'ext': 'm4a',
'title': 'Leja Re',
'album': 'Leja Re',
'thumbnail': 'https://c.saavncdn.com/258/Leja-Re-Hindi-2018-20181124024539-500x500.jpg',
'duration': 205,
'view_count': int,
'release_year': 2018,
'artists': ['Sandesh Shandilya', 'Dhvani Bhanushali', 'Tanishk Bagchi'],
'_old_archive_ids': ['jiosaavnsong OQsEfQFVUXk'],
},
}, {
'url': 'https://www.saavn.com/s/song/hindi/Saathiya/O-Humdum-Suniyo-Re/KAMiazoCblU',
'only_matching': True,
}]
def _real_extract(self, url):
url, smuggled_data = unsmuggle_url(url)
song_data = traverse_obj(smuggled_data, ({
'id': ('id', {str}),
'encrypted_media_url': ('encrypted_media_url', {str}),
}))
if 'id' in song_data and 'encrypted_media_url' in song_data:
result = {'id': song_data['id']}
else:
# only extract metadata if this is not a url_transparent result
song_data = self._extract_initial_data(url, self._match_id(url))['song']['song']
result = self._extract_song(song_data)
result['formats'] = list(self._extract_formats(song_data))
return result
class JioSaavnAlbumIE(JioSaavnBaseIE):
IE_NAME = 'jiosaavn:album'
_VALID_URL = r'https?://(?:www\.)?(?:jio)?saavn\.com/album/[^/?#]+/(?P<id>[^/?#]+)'
_TESTS = [{
'url': 'https://www.jiosaavn.com/album/96/buIOjYZDrNA_',
'info_dict': {
'id': 'buIOjYZDrNA_',
'title': '96',
},
'playlist_count': 10,
}]
def _entries(self, playlist_data):
for song_data in traverse_obj(playlist_data, (
'modules', lambda _, x: x['key'] == 'list', 'data', lambda _, v: v['title']['action'])):
song_info = self._extract_song(song_data)
# album song data is missing artists and release_year, need to re-extract metadata
yield self.url_result(song_info['webpage_url'], JioSaavnSongIE, **song_info)
def _real_extract(self, url):
display_id = self._match_id(url)
album_data = self._extract_initial_data(url, display_id)['albumView']
return self.playlist_result(
self._entries(album_data), display_id, traverse_obj(album_data, ('album', 'title', 'text', {str})))
class JioSaavnPlaylistIE(JioSaavnBaseIE):
IE_NAME = 'jiosaavn:playlist'
_VALID_URL = r'https?://(?:www\.)?(?:jio)?saavn\.com/s/playlist/(?:[^/?#]+/){2}(?P<id>[^/?#]+)'
_TESTS = [{
'url': 'https://www.jiosaavn.com/s/playlist/2279fbe391defa793ad7076929a2f5c9/mood-english/LlJ8ZWT1ibN5084vKHRj2Q__',
'info_dict': {
'id': 'LlJ8ZWT1ibN5084vKHRj2Q__',
'title': 'Mood English',
},
'playlist_mincount': 50,
}]
def _entries(self, playlist_data):
for song_data in traverse_obj(playlist_data, ('list', lambda _, v: v['perma_url'])):
song_info = self._extract_song(song_data)
url = smuggle_url(song_info['webpage_url'], {
'id': song_data['id'],
'encrypted_media_url': song_data['encrypted_media_url'],
})
yield self.url_result(url, JioSaavnSongIE, url_transparent=True, **song_info)
def _real_extract(self, url):
display_id = self._match_id(url)
playlist_data = self._extract_initial_data(url, display_id)['playlist']['playlist']
return self.playlist_result(
self._entries(playlist_data), display_id, traverse_obj(playlist_data, ('title', 'text', {str})))