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19 Commits

Author SHA1 Message Date
Yuval Hager
38ec27642f
Merge 57c3cb420c31e78732566b77dfb16fd78ebfd310 into 2b4fbfce25902d557b86b003cf48f738129efce4 2025-03-26 08:12:18 +00:00
dirkf
2b4fbfce25 [YouTube] Support player 4fcd6e4a
thx seproDev, bashonly: yt-dlp/yt-dlp#12748
2025-03-26 02:27:25 +00:00
dirkf
1bc45b8b6c [JSInterp] Use , for join() with null/undefined argument
Eg: [1,2,3].join(null) -> '1,2,3'
2025-03-25 22:35:06 +00:00
dirkf
b982d77d0b [YouTube] Align signature tests with yt-dlp
thx bashonly, yt-dlp/yt-dlp#12725
2025-03-25 22:35:06 +00:00
dirkf
c55dbf4838 [YouTube] Update signature extraction for players 643afba4, 363db69b 2025-03-25 22:35:06 +00:00
dirkf
087d865230 [YouTube] Support new player URL patterns 2025-03-25 22:35:06 +00:00
dirkf
a4fc1151f1 [JSInterp] Improve indexing
* catch invalid list index with `ValueError` (eg [1, 2]['ab'] -> undefined)
* allow assignment outside existing list (eg var l = [1,2]; l[9] = 0;)
2025-03-25 22:35:05 +00:00
dirkf
a464c159e6 [YouTube] Make _extract_player_info() use _search_regex() 2025-03-25 22:35:05 +00:00
dirkf
7dca08eff0 [YouTube] Also get original of translated automatic captions 2025-03-25 22:35:05 +00:00
dirkf
2239ee7965 [YouTube] Get subtitles/automatic captions from both web and API responses 2025-03-25 22:35:05 +00:00
Yuval Hager
57c3cb420c remove geo_countries 2021-05-19 07:38:25 -07:00
Yuval Hager
803b071036 add skip_download to tests using ffmpeg 2021-05-18 18:32:26 -07:00
Yuval Hager
279539e995 fix trailing parentheses 2021-05-18 18:17:43 -07:00
Yuval Hager
440aba21de fix typo 2021-02-13 20:37:15 -08:00
Yuval Hager
c0fd80c113 code review fixes 2021-02-13 15:52:37 -08:00
Yuval Hager
e6c7b3c154 code review fixes 2021-01-27 16:03:01 -08:00
Yuval Hager
e3a900e707 minor fixes 2021-01-26 00:44:23 -08:00
Yuval Hager
5507979402 typo fix 2021-01-25 01:19:43 -08:00
Yuval Hager
fecc1dc727 [kan] Add new extractor 2021-01-25 00:06:57 -08:00
5 changed files with 224 additions and 48 deletions

View File

@ -84,6 +84,21 @@ _SIG_TESTS = [
'2aq0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpzEICs69VdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA', '2aq0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpzEICs69VdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
'0QJ8wRAIgXmPlOPSBkkUs1bYFYlJCfe29xxAj7v1pDL0QwbdV96sCIEzpWqMGkFR20CFOg51Tp-7vj_EMu-m37KtXJ2OySqa0q', '0QJ8wRAIgXmPlOPSBkkUs1bYFYlJCfe29xxAj7v1pDL0QwbdV96sCIEzpWqMGkFR20CFOg51Tp-7vj_EMu-m37KtXJ2OySqa0q',
), ),
(
'https://www.youtube.com/s/player/643afba4/tv-player-ias.vflset/tv-player-ias.js',
'2aq0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpzEICs69VdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
'AAOAOq0QJ8wRAIgXmPlOPSBkkUs1bYFYlJCfe29xx8j7vgpDL0QwbdV06sCIEzpWqMGkFR20CFOS21Tp-7vj_EMu-m37KtXJoOy1',
),
(
'https://www.youtube.com/s/player/363db69b/player_ias.vflset/en_US/base.js',
'2aq0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpzEICs69VdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
'0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpz2ICs6EVdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
),
(
'https://www.youtube.com/s/player/4fcd6e4a/player_ias.vflset/en_US/base.js',
'2aq0aqSyOoJXtK73m-uME_jv7-pT15gOFC02RFkGMqWpzEICs69VdbwQ0LDp1v7j8xx92efCJlYFYb1sUkkBSPOlPmXgIARw8JQ0qOAOAA',
'wAOAOq0QJ8ARAIgXmPlOPSBkkUs1bYFYlJCfe29xx8q7v1pDL0QwbdV96sCIEzpWqMGkFR20CFOg51Tp-7vj_EMu-m37KtXJoOySqa0',
),
] ]
_NSIG_TESTS = [ _NSIG_TESTS = [
@ -153,7 +168,7 @@ _NSIG_TESTS = [
), ),
( (
'https://www.youtube.com/s/player/c57c113c/player_ias.vflset/en_US/base.js', 'https://www.youtube.com/s/player/c57c113c/player_ias.vflset/en_US/base.js',
'-Txvy6bT5R6LqgnQNx', 'dcklJCnRUHbgSg', 'M92UUMHa8PdvPd3wyM', '3hPqLJsiNZx7yA',
), ),
( (
'https://www.youtube.com/s/player/5a3b6271/player_ias.vflset/en_US/base.js', 'https://www.youtube.com/s/player/5a3b6271/player_ias.vflset/en_US/base.js',
@ -173,7 +188,7 @@ _NSIG_TESTS = [
), ),
( (
'https://www.youtube.com/s/player/cfa9e7cb/player_ias.vflset/en_US/base.js', 'https://www.youtube.com/s/player/cfa9e7cb/player_ias.vflset/en_US/base.js',
'qO0NiMtYQ7TeJnfFG2', 'k9cuJDHNS5O7kQ', 'aCi3iElgd2kq0bxVbQ', 'QX1y8jGb2IbZ0w',
), ),
( (
'https://www.youtube.com/s/player/8c7583ff/player_ias.vflset/en_US/base.js', 'https://www.youtube.com/s/player/8c7583ff/player_ias.vflset/en_US/base.js',
@ -231,10 +246,6 @@ _NSIG_TESTS = [
'https://www.youtube.com/s/player/f6e09c70/player_ias_tce.vflset/en_US/base.js', 'https://www.youtube.com/s/player/f6e09c70/player_ias_tce.vflset/en_US/base.js',
'W9HJZKktxuYoDTqW', 'jHbbkcaxm54', 'W9HJZKktxuYoDTqW', 'jHbbkcaxm54',
), ),
(
'https://www.youtube.com/s/player/643afba4/player_ias.vflset/en_US/base.js',
'W9HJZKktxuYoDTqW', 'larxUlagTRAcSw',
),
( (
'https://www.youtube.com/s/player/e7567ecf/player_ias_tce.vflset/en_US/base.js', 'https://www.youtube.com/s/player/e7567ecf/player_ias_tce.vflset/en_US/base.js',
'Sy4aDGc0VpYRR9ew_', '5UPOT1VhoZxNLQ', 'Sy4aDGc0VpYRR9ew_', '5UPOT1VhoZxNLQ',
@ -259,6 +270,22 @@ _NSIG_TESTS = [
'https://www.youtube.com/s/player/643afba4/tv-player-ias.vflset/tv-player-ias.js', 'https://www.youtube.com/s/player/643afba4/tv-player-ias.vflset/tv-player-ias.js',
'ir9-V6cdbCiyKxhr', '2PL7ZDYAALMfmA', 'ir9-V6cdbCiyKxhr', '2PL7ZDYAALMfmA',
), ),
(
'https://www.youtube.com/s/player/643afba4/player_ias.vflset/en_US/base.js',
'W9HJZKktxuYoDTqW', 'larxUlagTRAcSw',
),
(
'https://www.youtube.com/s/player/363db69b/player_ias.vflset/en_US/base.js',
'eWYu5d5YeY_4LyEDc', 'XJQqf-N7Xra3gg',
),
(
'https://www.youtube.com/s/player/4fcd6e4a/player_ias.vflset/en_US/base.js',
'o_L251jm8yhZkWtBW', 'lXoxI3XvToqn6A',
),
(
'https://www.youtube.com/s/player/4fcd6e4a/tv-player-ias.vflset/tv-player-ias.js',
'o_L251jm8yhZkWtBW', 'lXoxI3XvToqn6A',
),
] ]
@ -271,6 +298,8 @@ class TestPlayerInfo(unittest.TestCase):
('https://www.youtube.com/s/player/64dddad9/player-plasma-ias-phone-en_US.vflset/base.js', '64dddad9'), ('https://www.youtube.com/s/player/64dddad9/player-plasma-ias-phone-en_US.vflset/base.js', '64dddad9'),
('https://www.youtube.com/s/player/64dddad9/player-plasma-ias-phone-de_DE.vflset/base.js', '64dddad9'), ('https://www.youtube.com/s/player/64dddad9/player-plasma-ias-phone-de_DE.vflset/base.js', '64dddad9'),
('https://www.youtube.com/s/player/64dddad9/player-plasma-ias-tablet-en_US.vflset/base.js', '64dddad9'), ('https://www.youtube.com/s/player/64dddad9/player-plasma-ias-tablet-en_US.vflset/base.js', '64dddad9'),
('https://www.youtube.com/s/player/e7567ecf/player_ias_tce.vflset/en_US/base.js', 'e7567ecf'),
('https://www.youtube.com/s/player/643afba4/tv-player-ias.vflset/tv-player-ias.js', '643afba4'),
# obsolete # obsolete
('https://www.youtube.com/yts/jsbin/player_ias-vfle4-e03/en_US/base.js', 'vfle4-e03'), ('https://www.youtube.com/yts/jsbin/player_ias-vfle4-e03/en_US/base.js', 'vfle4-e03'),
('https://www.youtube.com/yts/jsbin/player_ias-vfl49f_g4/en_US/base.js', 'vfl49f_g4'), ('https://www.youtube.com/yts/jsbin/player_ias-vfl49f_g4/en_US/base.js', 'vfl49f_g4'),
@ -280,8 +309,9 @@ class TestPlayerInfo(unittest.TestCase):
('https://s.ytimg.com/yts/jsbin/html5player-en_US-vflXGBaUN.js', 'vflXGBaUN'), ('https://s.ytimg.com/yts/jsbin/html5player-en_US-vflXGBaUN.js', 'vflXGBaUN'),
('https://s.ytimg.com/yts/jsbin/html5player-en_US-vflKjOTVq/html5player.js', 'vflKjOTVq'), ('https://s.ytimg.com/yts/jsbin/html5player-en_US-vflKjOTVq/html5player.js', 'vflKjOTVq'),
) )
ie = YoutubeIE(FakeYDL({'cachedir': False}))
for player_url, expected_player_id in PLAYER_URLS: for player_url, expected_player_id in PLAYER_URLS:
player_id = YoutubeIE._extract_player_info(player_url) player_id = ie._extract_player_info(player_url)
self.assertEqual(player_id, expected_player_id) self.assertEqual(player_id, expected_player_id)
@ -301,8 +331,8 @@ class TestSignature(unittest.TestCase):
def t_factory(name, sig_func, url_pattern): def t_factory(name, sig_func, url_pattern):
def make_tfunc(url, sig_input, expected_sig): def make_tfunc(url, sig_input, expected_sig):
m = url_pattern.match(url) m = url_pattern.match(url)
assert m, '%r should follow URL format' % url assert m, '{0!r} should follow URL format'.format(url)
test_id = m.group('id') test_id = re.sub(r'[/.-]', '_', m.group('id') or m.group('compat_id'))
def test_func(self): def test_func(self):
basename = 'player-{0}-{1}.js'.format(name, test_id) basename = 'player-{0}-{1}.js'.format(name, test_id)
@ -335,12 +365,16 @@ def n_sig(jscode, sig_input):
make_sig_test = t_factory( make_sig_test = t_factory(
'signature', signature, re.compile(r'.*(?:-|/player/)(?P<id>[a-zA-Z0-9_-]+)(?:/.+\.js|(?:/watch_as3|/html5player)?\.[a-z]+)$')) 'signature', signature,
re.compile(r'''(?x)
.+/(?P<h5>html5)?player(?(h5)(?:-en_US)?-|/)(?P<id>[a-zA-Z0-9/._-]+)
(?(h5)/(?:watch_as3|html5player))?\.js$
'''))
for test_spec in _SIG_TESTS: for test_spec in _SIG_TESTS:
make_sig_test(*test_spec) make_sig_test(*test_spec)
make_nsig_test = t_factory( make_nsig_test = t_factory(
'nsig', n_sig, re.compile(r'.+/player/(?P<id>[a-zA-Z0-9_-]+)/.+.js$')) 'nsig', n_sig, re.compile(r'.+/player/(?P<id>[a-zA-Z0-9_/.-]+)\.js$'))
for test_spec in _NSIG_TESTS: for test_spec in _NSIG_TESTS:
make_nsig_test(*test_spec) make_nsig_test(*test_spec)

View File

@ -559,6 +559,10 @@ from .joj import JojIE
from .jwplatform import JWPlatformIE from .jwplatform import JWPlatformIE
from .kakao import KakaoIE from .kakao import KakaoIE
from .kaltura import KalturaIE from .kaltura import KalturaIE
from .kan import (
KanEpisodeIE,
KanPlaylistIE
)
from .kankan import KankanIE from .kankan import KankanIE
from .karaoketv import KaraoketvIE from .karaoketv import KaraoketvIE
from .karrierevideos import KarriereVideosIE from .karrierevideos import KarriereVideosIE

116
youtube_dl/extractor/kan.py Normal file
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@ -0,0 +1,116 @@
# coding: utf-8
from __future__ import unicode_literals
from ..compat import compat_str
import re
from .common import InfoExtractor
from ..utils import (
ExtractorError,
parse_duration,
try_get,
unified_strdate)
def get_thumbnail(data):
for media in data.get('media_group', []):
if media.get('type') == 'image':
for item in media.get('media_item', []):
thumbnail = item.get('src')
if thumbnail:
return thumbnail
class KanBaseIE(InfoExtractor):
def download_webpage(self, url, video_id):
return self._download_webpage(
url,
video_id)
def extract_item(self, video_id, webpage):
data = self._parse_json(
self._search_regex(
r'<script[^>]+id="kan_app_search_data"[^>]*>([^<]+)</script>',
webpage,
'data'),
video_id)
title = data.get('title') or self._og_search_title(webpage)
m3u8_url = try_get(data, lambda x: x['content']['src'], compat_str)
formats = self._extract_m3u8_formats(m3u8_url, video_id, ext='mp4')
if not formats:
raise ExtractorError('Unable to extract video formats')
description = data.get('summary') or \
self._og_search_description(webpage, fatal=False)
creator = try_get(data, lambda x: x['author']['name'], compat_str) or \
self._og_search_property('site_name', webpage, fatal=False)
thumbnail = get_thumbnail(data)
return {
'id': video_id,
'title': title,
'thumbnail': thumbnail,
'formats': formats,
'description': description,
'creator': creator,
'release_date': unified_strdate(data.get('published')),
'duration': parse_duration(
try_get(data, lambda x: x['extensions']['duration']))
}
class KanEpisodeIE(KanBaseIE):
_VALID_URL = r'https?://(?:www\.)?kan\.org\.il/[iI]tem/\?item[iI]d=(?P<id>[0-9]+)'
_TEST = {
'url': 'https://www.kan.org.il/Item/?itemId=74658',
'md5': 'c28763bdb61c1bb7823528dd024e6129',
'info_dict': {
'id': '74658',
'ext': 'mp4',
'title': 'העד - פרק 2',
'thumbnail': r're:^https://.*36805_A\.jpeg$',
'description': 'הגופות ממשיכות להיערם, אך איזי עדיין מפקפק בחשדות נגד ברק',
'creator': 'מערכת כאן',
'release_date': '20200803',
'duration': 2393,
},
'params': {
'skip_download': True
},
}
def _real_extract(self, url):
video_id = self._match_id(url)
return self.extract_item(video_id, self.download_webpage(url, video_id))
class KanPlaylistIE(KanBaseIE):
_VALID_URL = r'https?://(?:www\.)?kan\.org\.il/program/\?cat[iI]d=(?P<id>[0-9]+)'
_TEST = {
'url': 'https://www.kan.org.il/program/?catId=1636',
'playlist_mincount': 9,
'info_dict': {
'id': '1636',
'title': 'מנאייכ - פרקים מלאים לצפייה ישירה | כאן',
'description': 'md5:9dfbd501189d08674d20762464c5301b',
},
}
def _real_extract(self, url):
list_id = self._match_id(url)
webpage = self.download_webpage(url, list_id)
video_ids = re.findall(r'onclick="playVideo\(.*,\'([0-9]+)\'\)', webpage)
entries = []
for video_id in video_ids:
video_url = 'https://www.kan.org.il/Item/?itemId=%s' % video_id
entries.append(self.extract_item(
video_id,
self.download_webpage(video_url, video_id)))
if not entries:
raise ExtractorError('Unable to extract playlist entries')
return {
'_type': 'playlist',
'id': list_id,
'entries': entries,
'title': self._og_search_title(webpage, fatal=False),
'description': self._og_search_description(webpage),
}

View File

@ -692,9 +692,9 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
'invidious': '|'.join(_INVIDIOUS_SITES), 'invidious': '|'.join(_INVIDIOUS_SITES),
} }
_PLAYER_INFO_RE = ( _PLAYER_INFO_RE = (
r'/s/player/(?P<id>[a-zA-Z0-9_-]{8,})//(?:tv-)?player', r'/s/player/(?P<id>[a-zA-Z0-9_-]{8,})/(?:tv-)?player',
r'/(?P<id>[a-zA-Z0-9_-]{8,})/player(?:_ias\.vflset(?:/[a-zA-Z]{2,3}_[a-zA-Z]{2,3})?|-plasma-ias-(?:phone|tablet)-[a-z]{2}_[A-Z]{2}\.vflset)/base\.js$', r'/(?P<id>[a-zA-Z0-9_-]{8,})/player(?:_ias(?:_tce)?\.vflset(?:/[a-zA-Z]{2,3}_[a-zA-Z]{2,3})?|-plasma-ias-(?:phone|tablet)-[a-z]{2}_[A-Z]{2}\.vflset)/base\.js$',
r'\b(?P<id>vfl[a-zA-Z0-9_-]+)\b.*?\.js$', r'\b(?P<id>vfl[a-zA-Z0-9_-]{6,})\b.*?\.js$',
) )
_SUBTITLE_FORMATS = ('json3', 'srv1', 'srv2', 'srv3', 'ttml', 'vtt') _SUBTITLE_FORMATS = ('json3', 'srv1', 'srv2', 'srv3', 'ttml', 'vtt')
@ -1626,15 +1626,13 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
""" Return a string representation of a signature """ """ Return a string representation of a signature """
return '.'.join(compat_str(len(part)) for part in example_sig.split('.')) return '.'.join(compat_str(len(part)) for part in example_sig.split('.'))
@classmethod def _extract_player_info(self, player_url):
def _extract_player_info(cls, player_url): try:
for player_re in cls._PLAYER_INFO_RE: return self._search_regex(
id_m = re.search(player_re, player_url) self._PLAYER_INFO_RE, player_url, 'player info', group='id')
if id_m: except ExtractorError as e:
break raise ExtractorError(
else: 'Cannot identify player %r' % (player_url,), cause=e)
raise ExtractorError('Cannot identify player %r' % player_url)
return id_m.group('id')
def _load_player(self, video_id, player_url, fatal=True, player_id=None): def _load_player(self, video_id, player_url, fatal=True, player_id=None):
if not player_id: if not player_id:
@ -1711,6 +1709,23 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
' return %s\n') % (signature_id_tuple, expr_code) ' return %s\n') % (signature_id_tuple, expr_code)
self.to_screen('Extracted signature function:\n' + code) self.to_screen('Extracted signature function:\n' + code)
def _extract_sig_fn(self, jsi, funcname):
var_ay = self._search_regex(
r'''(?x)
(?:\*/|\{|\n|^)\s*(?:'[^']+'\s*;\s*)
(var\s*[\w$]+\s*=\s*(?:
('|")(?:\\\2|(?!\2).)+\2\s*\.\s*split\(\s*('|")\W+\3\s*\)|
\[\s*(?:('|")(?:\\\4|(?!\4).)*\4\s*(?:(?=\])|,\s*))+\]
))(?=\s*[,;])
''', jsi.code, 'useful values', default='')
sig_fn = jsi.extract_function_code(funcname)
if var_ay:
sig_fn = (sig_fn[0], ';\n'.join((var_ay, sig_fn[1])))
return sig_fn
def _parse_sig_js(self, jscode): def _parse_sig_js(self, jscode):
# Examples where `sig` is funcname: # Examples where `sig` is funcname:
# sig=function(a){a=a.split(""); ... ;return a.join("")}; # sig=function(a){a=a.split(""); ... ;return a.join("")};
@ -1736,8 +1751,12 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
jscode, 'Initial JS player signature function name', group='sig') jscode, 'Initial JS player signature function name', group='sig')
jsi = JSInterpreter(jscode) jsi = JSInterpreter(jscode)
initial_function = jsi.extract_function(funcname)
return lambda s: initial_function([s]) initial_function = self._extract_sig_fn(jsi, funcname)
func = jsi.extract_function_from_code(*initial_function)
return lambda s: func([s])
def _cached(self, func, *cache_id): def _cached(self, func, *cache_id):
def inner(*args, **kwargs): def inner(*args, **kwargs):
@ -1856,15 +1875,9 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
def _extract_n_function_code_jsi(self, video_id, jsi, player_id=None): def _extract_n_function_code_jsi(self, video_id, jsi, player_id=None):
var_ay = self._search_regex(
r'(?:[;\s]|^)\s*(var\s*[\w$]+\s*=\s*"(?:\\"|[^"])+"\s*\.\s*split\("\W+"\))(?=\s*[,;])',
jsi.code, 'useful values', default='')
func_name = self._extract_n_function_name(jsi.code) func_name = self._extract_n_function_name(jsi.code)
func_code = jsi.extract_function_code(func_name) func_code = self._extract_sig_fn(jsi, func_name)
if var_ay:
func_code = (func_code[0], ';\n'.join((var_ay, func_code[1])))
if player_id: if player_id:
self.cache.store('youtube-nsig', player_id, func_code) self.cache.store('youtube-nsig', player_id, func_code)
@ -2136,7 +2149,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
video_details = merge_dicts(*traverse_obj( video_details = merge_dicts(*traverse_obj(
(player_response, api_player_response), (player_response, api_player_response),
(Ellipsis, 'videoDetails', T(dict)))) (Ellipsis, 'videoDetails', T(dict))))
player_response.update(api_player_response or {}) player_response.update(filter_dict(
api_player_response or {}, cndn=lambda k, _: k != 'captions'))
player_response['videoDetails'] = video_details player_response['videoDetails'] = video_details
def is_agegated(playability): def is_agegated(playability):
@ -2566,8 +2580,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
} }
pctr = traverse_obj( pctr = traverse_obj(
player_response, (player_response, api_player_response),
('captions', 'playerCaptionsTracklistRenderer', T(dict))) (Ellipsis, 'captions', 'playerCaptionsTracklistRenderer', T(dict)))
if pctr: if pctr:
def process_language(container, base_url, lang_code, query): def process_language(container, base_url, lang_code, query):
lang_subs = [] lang_subs = []
@ -2584,20 +2598,21 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
def process_subtitles(): def process_subtitles():
subtitles = {} subtitles = {}
for caption_track in traverse_obj(pctr, ( for caption_track in traverse_obj(pctr, (
'captionTracks', lambda _, v: v.get('baseUrl'))): Ellipsis, 'captionTracks', lambda _, v: (
v.get('baseUrl') and v.get('languageCode')))):
base_url = self._yt_urljoin(caption_track['baseUrl']) base_url = self._yt_urljoin(caption_track['baseUrl'])
if not base_url: if not base_url:
continue continue
lang_code = caption_track['languageCode']
if caption_track.get('kind') != 'asr': if caption_track.get('kind') != 'asr':
lang_code = caption_track.get('languageCode')
if not lang_code:
continue
process_language( process_language(
subtitles, base_url, lang_code, {}) subtitles, base_url, lang_code, {})
continue continue
automatic_captions = {} automatic_captions = {}
process_language(
automatic_captions, base_url, lang_code, {})
for translation_language in traverse_obj(pctr, ( for translation_language in traverse_obj(pctr, (
'translationLanguages', lambda _, v: v.get('languageCode'))): Ellipsis, 'translationLanguages', lambda _, v: v.get('languageCode'))):
translation_language_code = translation_language['languageCode'] translation_language_code = translation_language['languageCode']
process_language( process_language(
automatic_captions, base_url, translation_language_code, automatic_captions, base_url, translation_language_code,

View File

@ -678,7 +678,7 @@ class JSInterpreter(object):
return len(obj) return len(obj)
try: try:
return obj[int(idx)] if isinstance(obj, list) else obj[compat_str(idx)] return obj[int(idx)] if isinstance(obj, list) else obj[compat_str(idx)]
except (TypeError, KeyError, IndexError) as e: except (TypeError, KeyError, IndexError, ValueError) as e:
# allow_undefined is None gives correct behaviour # allow_undefined is None gives correct behaviour
if allow_undefined or ( if allow_undefined or (
allow_undefined is None and not isinstance(e, TypeError)): allow_undefined is None and not isinstance(e, TypeError)):
@ -1038,6 +1038,10 @@ class JSInterpreter(object):
left_val = self._index(left_val, idx) left_val = self._index(left_val, idx)
if isinstance(idx, float): if isinstance(idx, float):
idx = int(idx) idx = int(idx)
if isinstance(left_val, list) and len(left_val) <= int_or_none(idx, default=-1):
# JS Array is a sparsely assignable list
# TODO: handle extreme sparsity without memory bloat, eg using auxiliary dict
left_val.extend((idx - len(left_val) + 1) * [JS_Undefined])
left_val[idx] = self._operator( left_val[idx] = self._operator(
m.group('op'), self._index(left_val, idx) if m.group('op') else None, m.group('op'), self._index(left_val, idx) if m.group('op') else None,
m.group('expr'), expr, local_vars, allow_recursion) m.group('expr'), expr, local_vars, allow_recursion)
@ -1204,7 +1208,8 @@ class JSInterpreter(object):
elif member == 'join': elif member == 'join':
assertion(isinstance(obj, list), 'must be applied on a list') assertion(isinstance(obj, list), 'must be applied on a list')
assertion(len(argvals) <= 1, 'takes at most one argument') assertion(len(argvals) <= 1, 'takes at most one argument')
return (',' if len(argvals) == 0 else argvals[0]).join( return (',' if len(argvals) == 0 or argvals[0] in (None, JS_Undefined)
else argvals[0]).join(
('' if x in (None, JS_Undefined) else _js_toString(x)) ('' if x in (None, JS_Undefined) else _js_toString(x))
for x in obj) for x in obj)
elif member == 'reverse': elif member == 'reverse':
@ -1364,19 +1369,21 @@ class JSInterpreter(object):
code, _ = self._separate_at_paren(func_m.group('code')) # refine the match code, _ = self._separate_at_paren(func_m.group('code')) # refine the match
return self.build_arglist(func_m.group('args')), code return self.build_arglist(func_m.group('args')), code
def extract_function(self, funcname): def extract_function(self, funcname, *global_stack):
return function_with_repr( return function_with_repr(
self.extract_function_from_code(*self.extract_function_code(funcname)), self.extract_function_from_code(*itertools.chain(
self.extract_function_code(funcname), global_stack)),
'F<%s>' % (funcname,)) 'F<%s>' % (funcname,))
def extract_function_from_code(self, argnames, code, *global_stack): def extract_function_from_code(self, argnames, code, *global_stack):
local_vars = {} local_vars = {}
start = None
while True: while True:
mobj = re.search(r'function\((?P<args>[^)]*)\)\s*{', code) mobj = re.search(r'function\((?P<args>[^)]*)\)\s*{', code[start:])
if mobj is None: if mobj is None:
break break
start, body_start = mobj.span() start, body_start = ((start or 0) + x for x in mobj.span())
body, remaining = self._separate_at_paren(code[body_start - 1:]) body, remaining = self._separate_at_paren(code[body_start - 1:])
name = self._named_object(local_vars, self.extract_function_from_code( name = self._named_object(local_vars, self.extract_function_from_code(
[x.strip() for x in mobj.group('args').split(',')], [x.strip() for x in mobj.group('args').split(',')],