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9 Commits

Author SHA1 Message Date
Olivier Trichet
a941f835c9
Merge 72db217289 into c5098961b0 2024-08-21 22:32:49 -04:00
dirkf
c5098961b0 [Youtube] Rework n function extraction pattern
Now also succeeds with player b12cc44b
2024-08-06 20:59:09 +01:00
dirkf
dbc08fba83 [jsinterp] Improve slice implementation for player b12cc44b
Partly taken from yt-dlp/yt-dlp#10664, thx seproDev
        Fixes #32896
2024-08-06 20:51:38 +01:00
Aiur Adept
71223bff39
[Youtube] Fix nsig extraction for player 20dfca59 (#32891)
* dirkf's patch for nsig extraction
* add generic search per  yt-dlp/yt-dlp/pull/10611 - thx bashonly

---------

Co-authored-by: dirkf <fieldhouse@gmx.net>
2024-08-01 19:18:34 +01:00
Olivier Trichet
72db217289 [RadioFrance] Extractor fo thematic webradios 2022-12-22 14:22:19 -05:00
Olivier Trichet
fc933e686b [RadioFrance] Refactoring 2022-12-22 13:01:10 -05:00
Olivier Trichet
ea02c40539 [RadioFrance] Extractor for podcast playlists 2022-12-22 13:00:54 -05:00
Olivier Trichet
7270ecf3d6 [RadioFrance] Extractor for podcast of Radio France stations 2022-12-22 13:00:17 -05:00
Olivier Trichet
dade9111f1 [RadioFrance] Remove old Radio France stations extractors
These are not working anymore after their respectives websites were
merged into www.radiofrance.fr.
2022-12-22 13:00:08 -05:00
8 changed files with 362 additions and 192 deletions

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@ -425,6 +425,34 @@ class TestJSInterpreter(unittest.TestCase):
self._test(jsi, [''], args=['', '-']) self._test(jsi, [''], args=['', '-'])
self._test(jsi, [], args=['', '']) self._test(jsi, [], args=['', ''])
def test_slice(self):
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice()}', [0, 1, 2, 3, 4, 5, 6, 7, 8])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(0)}', [0, 1, 2, 3, 4, 5, 6, 7, 8])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(5)}', [5, 6, 7, 8])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(99)}', [])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(-2)}', [7, 8])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(-99)}', [0, 1, 2, 3, 4, 5, 6, 7, 8])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(0, 0)}', [])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(1, 0)}', [])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(0, 1)}', [0])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(3, 6)}', [3, 4, 5])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(1, -1)}', [1, 2, 3, 4, 5, 6, 7])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(-1, 1)}', [])
self._test('function f(){return [0, 1, 2, 3, 4, 5, 6, 7, 8].slice(-3, -1)}', [6, 7])
self._test('function f(){return "012345678".slice()}', '012345678')
self._test('function f(){return "012345678".slice(0)}', '012345678')
self._test('function f(){return "012345678".slice(5)}', '5678')
self._test('function f(){return "012345678".slice(99)}', '')
self._test('function f(){return "012345678".slice(-2)}', '78')
self._test('function f(){return "012345678".slice(-99)}', '012345678')
self._test('function f(){return "012345678".slice(0, 0)}', '')
self._test('function f(){return "012345678".slice(1, 0)}', '')
self._test('function f(){return "012345678".slice(0, 1)}', '0')
self._test('function f(){return "012345678".slice(3, 6)}', '345')
self._test('function f(){return "012345678".slice(1, -1)}', '1234567')
self._test('function f(){return "012345678".slice(-1, 1)}', '')
self._test('function f(){return "012345678".slice(-3, -1)}', '67')
if __name__ == '__main__': if __name__ == '__main__':
unittest.main() unittest.main()

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@ -174,6 +174,14 @@ _NSIG_TESTS = [
'https://www.youtube.com/s/player/5604538d/player_ias.vflset/en_US/base.js', 'https://www.youtube.com/s/player/5604538d/player_ias.vflset/en_US/base.js',
'7X-he4jjvMx7BCX', 'sViSydX8IHtdWA', '7X-he4jjvMx7BCX', 'sViSydX8IHtdWA',
), ),
(
'https://www.youtube.com/s/player/20dfca59/player_ias.vflset/en_US/base.js',
'-fLCxedkAk4LUTK2', 'O8kfRq1y1eyHGw',
),
(
'https://www.youtube.com/s/player/b12cc44b/player_ias.vflset/en_US/base.js',
'keLa5R2U00sR9SQK', 'N1OGyujjEwMnLw',
),
] ]

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@ -413,8 +413,6 @@ from .foxnews import (
FoxNewsArticleIE, FoxNewsArticleIE,
) )
from .foxsports import FoxSportsIE from .foxsports import FoxSportsIE
from .franceculture import FranceCultureIE
from .franceinter import FranceInterIE
from .francetv import ( from .francetv import (
FranceTVIE, FranceTVIE,
FranceTVSiteIE, FranceTVSiteIE,
@ -1011,7 +1009,11 @@ from .radiocanada import (
from .radiode import RadioDeIE from .radiode import RadioDeIE
from .radiojavan import RadioJavanIE from .radiojavan import RadioJavanIE
from .radiobremen import RadioBremenIE from .radiobremen import RadioBremenIE
from .radiofrance import RadioFranceIE from .radiofrance import (
RadioFrancePodcastEpisodeIE,
RadioFrancePodcastPlaylistIE,
RadioFranceWebradioIE,
)
from .rai import ( from .rai import (
RaiPlayIE, RaiPlayIE,
RaiPlayLiveIE, RaiPlayLiveIE,

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@ -1,73 +0,0 @@
# coding: utf-8
from __future__ import unicode_literals
from .common import InfoExtractor
from ..utils import (
determine_ext,
extract_attributes,
int_or_none,
)
class FranceCultureIE(InfoExtractor):
_VALID_URL = r'https?://(?:www\.)?franceculture\.fr/emissions/(?:[^/]+/)*(?P<id>[^/?#&]+)'
_TESTS = [{
'url': 'http://www.franceculture.fr/emissions/carnet-nomade/rendez-vous-au-pays-des-geeks',
'info_dict': {
'id': 'rendez-vous-au-pays-des-geeks',
'display_id': 'rendez-vous-au-pays-des-geeks',
'ext': 'mp3',
'title': 'Rendez-vous au pays des geeks',
'thumbnail': r're:^https?://.*\.jpg$',
'upload_date': '20140301',
'timestamp': 1393700400,
'vcodec': 'none',
}
}, {
# no thumbnail
'url': 'https://www.franceculture.fr/emissions/la-recherche-montre-en-main/la-recherche-montre-en-main-du-mercredi-10-octobre-2018',
'only_matching': True,
}]
def _real_extract(self, url):
display_id = self._match_id(url)
webpage = self._download_webpage(url, display_id)
video_data = extract_attributes(self._search_regex(
r'''(?sx)
(?:
</h1>|
<div[^>]+class="[^"]*?(?:title-zone-diffusion|heading-zone-(?:wrapper|player-button))[^"]*?"[^>]*>
).*?
(<button[^>]+data-(?:url|asset-source)="[^"]+"[^>]+>)
''',
webpage, 'video data'))
video_url = video_data.get('data-url') or video_data['data-asset-source']
title = video_data.get('data-asset-title') or video_data.get('data-diffusion-title') or self._og_search_title(webpage)
description = self._html_search_regex(
r'(?s)<div[^>]+class="intro"[^>]*>.*?<h2>(.+?)</h2>',
webpage, 'description', default=None)
thumbnail = self._search_regex(
r'(?s)<figure[^>]+itemtype="https://schema.org/ImageObject"[^>]*>.*?<img[^>]+(?:data-dejavu-)?src="([^"]+)"',
webpage, 'thumbnail', default=None)
uploader = self._html_search_regex(
r'(?s)<span class="author">(.*?)</span>',
webpage, 'uploader', default=None)
ext = determine_ext(video_url.lower())
return {
'id': display_id,
'display_id': display_id,
'url': video_url,
'title': title,
'description': description,
'thumbnail': thumbnail,
'ext': ext,
'vcodec': 'none' if ext == 'mp3' else None,
'uploader': uploader,
'timestamp': int_or_none(video_data.get('data-start-time')) or int_or_none(video_data.get('data-asset-created-date')),
'duration': int_or_none(video_data.get('data-duration')),
}

View File

@ -1,59 +0,0 @@
# coding: utf-8
from __future__ import unicode_literals
from .common import InfoExtractor
from ..utils import month_by_name
class FranceInterIE(InfoExtractor):
_VALID_URL = r'https?://(?:www\.)?franceinter\.fr/emissions/(?P<id>[^?#]+)'
_TEST = {
'url': 'https://www.franceinter.fr/emissions/affaires-sensibles/affaires-sensibles-07-septembre-2016',
'md5': '9e54d7bdb6fdc02a841007f8a975c094',
'info_dict': {
'id': 'affaires-sensibles/affaires-sensibles-07-septembre-2016',
'ext': 'mp3',
'title': 'Affaire Cahuzac : le contentieux du compte en Suisse',
'description': 'md5:401969c5d318c061f86bda1fa359292b',
'thumbnail': r're:^https?://.*\.jpg',
'upload_date': '20160907',
},
}
def _real_extract(self, url):
video_id = self._match_id(url)
webpage = self._download_webpage(url, video_id)
video_url = self._search_regex(
r'(?s)<div[^>]+class=["\']page-diffusion["\'][^>]*>.*?<button[^>]+data-url=(["\'])(?P<url>(?:(?!\1).)+)\1',
webpage, 'video url', group='url')
title = self._og_search_title(webpage)
description = self._og_search_description(webpage)
thumbnail = self._html_search_meta(['og:image', 'twitter:image'], webpage)
upload_date_str = self._search_regex(
r'class=["\']\s*cover-emission-period\s*["\'][^>]*>[^<]+\s+(\d{1,2}\s+[^\s]+\s+\d{4})<',
webpage, 'upload date', fatal=False)
if upload_date_str:
upload_date_list = upload_date_str.split()
upload_date_list.reverse()
upload_date_list[1] = '%02d' % (month_by_name(upload_date_list[1], lang='fr') or 0)
upload_date_list[2] = '%02d' % int(upload_date_list[2])
upload_date = ''.join(upload_date_list)
else:
upload_date = None
return {
'id': video_id,
'title': title,
'description': description,
'thumbnail': thumbnail,
'upload_date': upload_date,
'formats': [{
'url': video_url,
'vcodec': 'none',
}],
}

View File

@ -4,56 +4,284 @@ from __future__ import unicode_literals
import re import re
from .common import InfoExtractor from .common import InfoExtractor
from ..utils import (
ExtractorError,
get_element_by_attribute,
int_or_none,
parse_iso8601,
strip_or_none,
url_or_none
)
class RadioFranceIE(InfoExtractor): class RadioFranceBaseIE(InfoExtractor):
_VALID_URL = r'^https?://maison\.radiofrance\.fr/radiovisions/(?P<id>[^?#]+)' _BASE_URL = r'https://www.radiofrance.fr/'
IE_NAME = 'radiofrance'
_TEST = { def extract_api_data(self, api_path, id, html):
'url': 'http://maison.radiofrance.fr/radiovisions/one-one', pattern = r'<script [^>]*sveltekit:data-url="https://www\.radiofrance\.fr/api/v[\d.]+/%s[^>]*>(?P<json>.*)</script>' % api_path
'md5': 'bdbb28ace95ed0e04faab32ba3160daf', json = self._search_regex(pattern, html, 'API data', flags=re.DOTALL, group='json')
if not json:
raise ExtractorError('%s: JSON data not found' % id)
try:
json = self._parse_json(json, id)
json = self._parse_json(json['body'], id)
if api_path == 'path':
return json['content']
elif api_path == 'stations':
return json
else:
raise ExtractorError('Coding error')
except KeyError:
raise ExtractorError('%s: Invalid JSON' % id)
def get_title(self, api_data, webpage=None):
title = strip_or_none(api_data.get('title'))
if not title and webpage:
title = strip_or_none(get_element_by_attribute('h1', None, webpage, False)) or strip_or_none(self._og_search_title(webpage))
return title
def get_description(self, api_data, webpage=None):
description = strip_or_none(api_data.get('standFirst'))
if not description and webpage:
description = strip_or_none(self._og_search_description(webpage))
return description
def get_thumbnail(self, api_data, webpage=None):
thumbnail = None
visual = api_data.get('visual')
if visual:
thumbnail = url_or_none(visual.get('src'))
if not thumbnail and webpage:
thumbnail = self._og_search_thumbnail(webpage)
return thumbnail
def get_timestamp(self, api_data, webpage=None):
timestamp = api_data.get('publishedDate')
if not timestamp and webpage:
timestamp = parse_iso8601(self._html_search_meta('article:published_time', webpage, 'publication time', ))
return timestamp
def get_brand(self, api_data, webpage=None):
brand = strip_or_none(api_data.get('brand'))
if not brand and webpage:
brand = self._og_search_property('site_name', webpage, 'Station name', fatal=False)
return brand
def extract_episode(self, episode_id, api_data):
manifestations = api_data.get('manifestations')
if manifestations is None or len(manifestations) == 0:
return None, None
url = url_or_none(manifestations[0]['url'])
duration = int_or_none(manifestations[0].get('duration'))
return url, duration
def get_playlist_entries(self, playlist_url, playlist_id, api_data, direction):
playlist_data = api_data['expressions']
entries = []
items = playlist_data.get('items')
for item in items:
episode_path = item.get('path')
if episode_path is None:
self.report_warning('No path found for episode "%s"', item.get('title'))
continue
episode_id = RadioFrancePodcastEpisodeIE._match_id(self._BASE_URL + episode_path)
if episode_id is None:
self.report_warning('Could not parse id of episode from path: "%s"' % episode_path)
continue
episode_url, duration = self.extract_episode(episode_id, item)
if episode_url is None:
self.to_screen('Episode "%s" is not available' % episode_path)
continue
entry = {
'id': episode_id,
'url': episode_url,
'title': self.get_title(item),
'description': self.get_description(item),
'timestamp': self.get_timestamp(item),
'thumbnail': self.get_thumbnail(item),
'duration': duration,
}
entries.append(entry)
page_number = int_or_none(playlist_data.get('pageNumber'))
if page_number:
if direction in ['both', 'prev'] and playlist_data.get('prev') is not None:
webpage, other_api_data = self.get_data(playlist_url, 'path', playlist_id, page=page_number - 1)
entries = self.get_playlist_entries(playlist_url, playlist_id, other_api_data, direction='prev') + entries
if direction in ['both', 'next'] and playlist_data.get('next') is not None:
webpage, other_api_data = self.get_data(playlist_url, 'path', playlist_id, page=page_number + 1)
entries = entries + self.get_playlist_entries(playlist_url, playlist_id, other_api_data, direction='next')
return entries
def get_data(self, url, api_path, id, page=None):
query = {}
note = None
if page:
query['p'] = page
note = "Downloading page %i" % page
webpage = self._download_webpage(url, id, query=query, note=note)
api_data = self.extract_api_data(api_path, id, webpage)
return webpage, api_data
class RadioFrancePodcastEpisodeIE(RadioFranceBaseIE):
_VALID_URL = r'https?://www\.radiofrance\.fr/(?:francemusique|franceinter|franceculture|franceinfo|mouv|fip)/podcasts/.+/.+-(?P<id>\d+)$'
_TESTS = [{
'note': 'Podcast episode with audio from France Info',
'url': 'https://www.radiofrance.fr/franceinfo/podcasts/le-brief-eco/le-brief-eco-du-lundi-05-septembre-2022-8310713',
'info_dict': { 'info_dict': {
'id': 'one-one', 'id': '8310713',
'ext': 'ogg', 'ext': 'mp3',
'title': 'One to one', 'url': r're:^https?://.*\.mp3$',
'description': "Plutôt que d'imaginer la radio de demain comme technologie ou comme création de contenu, je veux montrer que quelles que soient ses évolutions, j'ai l'intime conviction que la radio continuera d'être un grand média de proximité pour les auditeurs.", 'title': 'Pour la première fois en vingt ans, leuro passe sous les 0,99\u00a0dollar',
'uploader': 'Thomas Hercouët', 'description': str,
}, 'thumbnail': r're:^https?://.*\.jpg$',
} 'timestamp': int,
'duration': int,
'upload_date': str
}
}, {
'note': 'Podcast episode from France Musique',
'url': 'https://www.radiofrance.fr/francemusique/podcasts/allegretto/lever-du-jour-9233228',
'only_matching': True
}, {
'note': 'Podcast episode from FranceInter',
'url': 'https://www.radiofrance.fr/franceinter/podcasts/rendez-vous-avec-x/un-mysterieux-echange-digne-de-la-guerre-froide-9343281',
'only_matching': True
}, {
'note': 'Podcast episode from France Culture',
'url': 'https://www.radiofrance.fr/franceculture/podcasts/la-science-cqfd/teotihuacan-la-plus-mysterieuse-des-cites-d-or-9224610',
'only_matching': True
}, {
'note': 'Podcast episode from Le Mouv',
'url': 'https://www.radiofrance.fr/mouv/podcasts/mouv-dj-la-caution/ncr2a-ne-cherche-rien-d-autre-ailleurs-1197950',
'only_matching': True
}, {
'note': 'Podcast episode from FIP',
'url': 'https://www.radiofrance.fr/fip/podcasts/certains-l-aiment-fip/hommage-au-cinema-de-vangelis-4734742',
'only_matching': True
}]
def _real_extract(self, url): def _real_extract(self, url):
m = re.match(self._VALID_URL, url) id = self._match_id(url)
video_id = m.group('id') webpage, api_data = self.get_data(url, 'path', id)
url, duration = self.extract_episode(id, api_data)
webpage = self._download_webpage(url, video_id) if url is None:
title = self._html_search_regex(r'<h1>(.*?)</h1>', webpage, 'title') msg = 'Podcast file is not available. If the show is too recent, the file may not have been uploaded yet: try again later.'
description = self._html_search_regex( raise ExtractorError(msg, expected=True, video_id=id)
r'<div class="bloc_page_wrapper"><div class="text">(.*?)</div>',
webpage, 'description', fatal=False)
uploader = self._html_search_regex(
r'<div class="credit">&nbsp;&nbsp;&copy;&nbsp;(.*?)</div>',
webpage, 'uploader', fatal=False)
formats_str = self._html_search_regex(
r'class="jp-jplayer[^"]*" data-source="([^"]+)">',
webpage, 'audio URLs')
formats = [
{
'format_id': fm[0],
'url': fm[1],
'vcodec': 'none',
'preference': i,
}
for i, fm in
enumerate(re.findall(r"([a-z0-9]+)\s*:\s*'([^']+)'", formats_str))
]
self._sort_formats(formats)
return { return {
'id': video_id, 'id': id,
'title': title, 'url': url,
'formats': formats, 'title': self.get_title(api_data, webpage),
'description': description, 'description': self.get_description(api_data, webpage),
'uploader': uploader, 'timestamp': self.get_timestamp(api_data, webpage),
'thumbnail': self.get_thumbnail(api_data, webpage),
'channel_id': self.get_brand(api_data, webpage),
'duration': duration,
}
class RadioFrancePodcastPlaylistIE(RadioFranceBaseIE):
_VALID_URL = r'https?://www\.radiofrance\.fr/(?:francemusique|franceinter|franceculture|franceinfo|mouv|fip)/podcasts/(?P<id>[^/]+?)(?:[?#].*)?$'
_TESTS = [{
'note': 'Podcast show with multiple pages of episodes and some of them are missing',
'url': 'https://www.radiofrance.fr/franceculture/podcasts/une-semaine-dans-le-monde-10-11?p=2',
'info_dict': {
'id': 'une-semaine-dans-le-monde-10-11',
'title': 'Une semaine dans le monde | 10-11',
'description': str,
'timestamp': int
},
'playlist_count': 23,
}]
def _real_extract(self, url):
id = self._match_id(url)
webpage, api_data = self.get_data(url, 'path', id)
entries = self.get_playlist_entries(url, id, api_data, direction='both')
entries.reverse()
return {
'id': id,
'_type': 'playlist',
'entries': entries,
'title': self.get_title(api_data, webpage),
'description': self.get_description(api_data, webpage),
'timestamp': self.get_timestamp(api_data, webpage),
'thumbnail': self.get_thumbnail(api_data, webpage),
'channel_id': self.get_brand(api_data, webpage),
}
class RadioFranceWebradioIE(RadioFranceBaseIE):
_VALID_URL = r'https?://www\.radiofrance\.fr/(?:francemusique|franceinter|franceculture|franceinfo|mouv|fip)/(?P<id>radio-[^/]+)$'
_TESTS = [{
'note': 'Full list of webradios available at https://www.radiofrance.fr/ecouter-musique',
'url': 'https://www.radiofrance.fr/fip/radio-metal',
'info_dict': {
'id': 'radio-metal',
'ext': 'aac',
'title': str,
},
'params': {
'format': 'aac',
'skip_download': True,
}
}]
def get_livestream_formats(self, id, api_data):
sources = api_data['media']['sources']
formats = []
for source in sources:
url = source.get('url')
if not url:
continue
format_id = source.get('format')
format = {
'url': url,
'format_id': format_id,
'asr': 48000,
'vcodec': 'none'
}
if format_id == 'mp3':
format['preference'] = 1
format['acodec'] = 'mp3'
format['abr'] = source.get('bitrate')
elif format_id == 'aac':
format['preference'] = 2
format['acodec'] = 'aac'
format['abr'] = source.get('bitrate')
elif format_id == 'hls':
format['preference'] = 0
format['manifest_url'] = url
formats.append(format)
if len(formats) == 0:
raise ExtractorError('No live streaming URL found')
return formats
def _real_extract(self, url):
id = self._match_id(url)
webpage, api_data = self.get_data(url, 'stations', id)
return {
'id': id,
'title': self.get_title(api_data, webpage),
'formats': self.get_livestream_formats(id, api_data),
'thumbnail': self.get_thumbnail(api_data, webpage),
'channel_id': self.get_brand(api_data, webpage),
'is_live': True
} }

View File

@ -1659,17 +1659,46 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
def _extract_n_function_name(self, jscode): def _extract_n_function_name(self, jscode):
func_name, idx = self._search_regex( func_name, idx = self._search_regex(
# new: (b=String.fromCharCode(110),c=a.get(b))&&c=nfunc[idx](c) # new: (b=String.fromCharCode(110),c=a.get(b))&&c=nfunc[idx](c)
# or: (b="nn"[+a.D],c=a.get(b))&&(c=nfunc[idx](c)s # or: (b="nn"[+a.D],c=a.get(b))&&(c=nfunc[idx](c)
# old: .get("n"))&&(b=nfunc[idx](b) # or: (PL(a),b=a.j.n||null)&&(b=nfunc[idx](b)
# older: .get("n"))&&(b=nfunc(b) # or: (b="nn"[+a.D],vL(a),c=a.j[b]||null)&&(c=narray[idx](c),a.set(b,c),narray.length||nfunc("")
# old: (b=a.get("n"))&&(b=nfunc[idx](b)(?P<c>[a-z])\s*=\s*[a-z]\s*
# older: (b=a.get("n"))&&(b=nfunc(b)
r'''(?x) r'''(?x)
(?:\(\s*(?P<b>[a-z])\s*=\s*(?: \((?:[\w$()\s]+,)*?\s* # (
String\s*\.\s*fromCharCode\s*\(\s*110\s*\)| (?P<b>[a-z])\s*=\s* # b=
"n+"\[\s*\+?s*[\w$.]+\s*] (?:
)\s*,(?P<c>[a-z])\s*=\s*[a-z]\s*)? (?: # expect ,c=a.get(b) (etc)
\.\s*get\s*\(\s*(?(b)(?P=b)|"n{1,2}")(?:\s*\)){2}\s*&&\s*\(\s*(?(c)(?P=c)|b)\s*=\s* String\s*\.\s*fromCharCode\s*\(\s*110\s*\)|
(?P<nfunc>[a-zA-Z_$][\w$]*)(?:\s*\[(?P<idx>\d+)\])?\s*\(\s*[\w$]+\s*\) "n+"\[\s*\+?s*[\w$.]+\s*]
''', jscode, 'Initial JS player n function name', group=('nfunc', 'idx')) )\s*(?:,[\w$()\s]+(?=,))*|
(?P<old>[\w$]+) # a (old[er])
)\s*
(?(old)
# b.get("n")
(?:\.\s*[\w$]+\s*|\[\s*[\w$]+\s*]\s*)*?
(?:\.\s*n|\[\s*"n"\s*]|\.\s*get\s*\(\s*"n"\s*\))
| # ,c=a.get(b)
,\s*(?P<c>[a-z])\s*=\s*[a-z]\s*
(?:\.\s*[\w$]+\s*|\[\s*[\w$]+\s*]\s*)*?
(?:\[\s*(?P=b)\s*]|\.\s*get\s*\(\s*(?P=b)\s*\))
)
# interstitial junk
\s*(?:\|\|\s*null\s*)?(?:\)\s*)?&&\s*(?:\(\s*)?
(?(c)(?P=c)|(?P=b))\s*=\s* # [c|b]=
# nfunc|nfunc[idx]
(?P<nfunc>[a-zA-Z_$][\w$]*)(?:\s*\[(?P<idx>\d+)\])?\s*\(\s*[\w$]+\s*\)
''', jscode, 'Initial JS player n function name', group=('nfunc', 'idx'),
default=(None, None))
# thx bashonly: yt-dlp/yt-dlp/pull/10611
if not func_name:
self.report_warning('Falling back to generic n function search')
return self._search_regex(
r'''(?xs)
(?:(?<=[^\w$])|^) # instead of \b, which ignores $
(?P<name>(?!\d)[a-zA-Z\d_$]+)\s*=\s*function\((?!\d)[a-zA-Z\d_$]+\)
\s*\{(?:(?!};).)+?["']enhanced_except_
''', jscode, 'Initial JS player n function name', group='name')
if not idx: if not idx:
return func_name return func_name

View File

@ -925,9 +925,16 @@ class JSInterpreter(object):
obj.reverse() obj.reverse()
return obj return obj
elif member == 'slice': elif member == 'slice':
assertion(isinstance(obj, list), 'must be applied on a list') assertion(isinstance(obj, (list, compat_str)), 'must be applied on a list or string')
assertion(len(argvals) == 1, 'takes exactly one argument') # From [1]:
return obj[argvals[0]:] # .slice() - like [:]
# .slice(n) - like [n:] (not [slice(n)]
# .slice(m, n) - like [m:n] or [slice(m, n)]
# [1] https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/slice
assertion(len(argvals) <= 2, 'takes between 0 and 2 arguments')
if len(argvals) < 2:
argvals += (None,)
return obj[slice(*argvals)]
elif member == 'splice': elif member == 'splice':
assertion(isinstance(obj, list), 'must be applied on a list') assertion(isinstance(obj, list), 'must be applied on a list')
assertion(argvals, 'takes one or more arguments') assertion(argvals, 'takes one or more arguments')