Merge fed9c8d17b into c5098961b0

Now also succeeds with player b12cc44b

test/test_jsinterp.py

@@ -425,6 +425,34 @@ class TestJSInterpreter(unittest.TestCase):
             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__':
     unittest.main()

test/test_youtube_signature.py

@@ -174,6 +174,14 @@ _NSIG_TESTS = [
         'https://www.youtube.com/s/player/5604538d/player_ias.vflset/en_US/base.js',
         '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',
+    ),
 ]
 
 

youtube_dl/extractor/extractors.py

@@ -1242,6 +1242,10 @@ from .tagesschau import (
     TagesschauPlayerIE,
     TagesschauIE,
 )
+from .talktv import (
+    TalkTVIE,
+    TalkTVSeriesIE,
+)
 from .tass import TassIE
 from .tbs import TBSIE
 from .tdslifeway import TDSLifewayIE

youtube_dl/extractor/talktv.py

@@ -0,0 +1,178 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+import re
+import calendar
+from datetime import datetime
+import time
+
+from .common import InfoExtractor
+
+from ..compat import compat_str
+from ..utils import (
+    clean_html,
+    determine_ext,
+    extract_attributes,
+    ExtractorError,
+    get_elements_by_class,
+    HEADRequest,
+    parse_duration,
+    try_get,
+    unified_timestamp,
+    url_or_none,
+    urljoin,
+)
+
+
+class TalkTVIE(InfoExtractor):
+    IE_NAME = 'talk.tv'
+    IE_DESC = 'TalkTV UK catch-up and live shows'
+    _VALID_URL = r'https?://watch\.talk\.tv/(?P<id>watch/(?:vod|replay)/\d+|live)'
+    _TESTS = [{
+        'url': 'https://watch.talk.tv/watch/replay/12216792',
+        'md5': 'dc9071f7d26f48ce4057a98425894eb3',
+        'info_dict': {
+            'id': '12216792',
+            'ext': 'mp4',
+            'title': 'Piers Morgan Uncensored',
+            'description': 'The host interviews former US President Donald Trump',
+            'timestamp': 1650917390,
+            'upload_date': '20220425',
+            'duration': float,
+        },
+        'params': {
+            'skip_download': True,  # adaptive download
+        },
+    }, {
+        'url': 'https://watch.talk.tv/live',
+        'info_dict': {
+            'id': 'live',
+            'ext': 'mp4',
+            'title': 'Piers Morgan Uncensored',
+            'description': compat_str,
+            'timestamp': int,
+            # needs core fix to force compat_str type
+            'upload_date': r're:\d{8}',
+            'duration': float,
+        },
+        'params': {
+            'skip_download': True,
+        },
+    },
+    ]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url).rsplit('/', 1)[-1]
+        is_live = (video_id == 'live')
+        webpage = self._download_webpage(url, video_id)
+        title = self._html_search_regex(r'(?is)<h1\b[^>]+>\s*(.+?)\s*</h1', webpage, 'title')
+        player = self._search_regex(r'''(<[dD][iI][vV]\b[^>]+?\bid\s*=\s*(?P<q>"|')player(?P=q)[^>]*>)''', webpage, video_id)
+        player = extract_attributes(player)
+        expiry = player.get('expiry')
+        if expiry is not None and expiry < time.time():
+            raise ExtractorError('Video has expired', expected=True)
+        api_info = self._download_json(
+            'https://mm-v2.simplestream.com/ssmp/api.php?id=%(data-id)s&env=%(data-env)s' % player,
+            video_id, note='Downloading API info', fatal=False)
+        player['api_url'] = (
+            url_or_none(try_get(api_info, lambda x: x['response']['api_hostname']))
+            or 'https://v2-streams-elb.simplestreamcdn.com')
+        headers = {'Referer': url, }
+        for item in ('uvid', 'token', ('expiry', 'Token-Expiry')):
+            if isinstance(item, compat_str):
+                name = item.capitalize()
+            else:
+                item, name = item
+            val = player.get('data-' + item)
+            if val is not None:
+                headers[name] = val
+
+        stream_info = self._download_json(
+            '%(api_url)s/api/%(data-type)s/stream/%(data-uvid)s?key=%(data-key)s&platform=firefox&cc=%(data-country)s' % player,
+            video_id, headers=headers)
+        error = try_get(stream_info, lambda x: x['response']['error'])
+        if error:
+            raise ExtractorError('Streaming API reported: ' + error, expected=True)
+        fmt_url = (stream_info['response'].get('drm') in (None, False)) and stream_info['response']['stream']
+        formats = []
+        duration = None
+        description = None
+        timestamp = None
+        if fmt_url:
+            ext = determine_ext(fmt_url)
+            if ext == 'm3u8':
+                formats.extend(self._extract_m3u8_formats(
+                    fmt_url, video_id, 'mp4', entry_protocol='m3u8_native',
+                    m3u8_id='hls', live=is_live, fatal=False))
+            elif ext == 'mpd':
+                formats.extend(self._extract_mpd_formats(
+                    fmt_url, video_id, mpd_id='dash', live=is_live, fatal=False))
+            else:
+                formats.append({
+                    'url': fmt_url,
+                })
+            if not is_live:
+                res = self._request_webpage(HEADRequest(fmt_url), video_id, note='Checking date', fatal=False)
+                if res is not False:
+                    timestamp = unified_timestamp(res.info().getheader('last-modified'))
+
+        self._sort_formats(formats)
+
+        text_fields = get_elements_by_class('text-start', webpage)
+        for text in text_fields:
+            text = clean_html(text)
+            if text.startswith('EPISODE'):
+                duration = parse_duration(
+                    self._html_search_regex(r'^EPISODE\b\W*(\w[\w\s]*?)\s*$', text, 'duration', default=None))
+            elif text.startswith('Live'):
+                duration = self._html_search_regex(r'^Live\b(?:<[^>]+>|\W)*([0-2]?\d:\d{2}\s*-\s*[0-2]?\d:\d{2})\s*$', text, 'duration', default=None)
+                duration = list(map(lambda x: datetime.strptime(x, '%H:%M'), re.split(r'\s*-\s*', duration)))
+                if None not in duration and len(duration) == 2:
+                    timestamp = datetime.now().replace(hour=duration[0].hour, minute=duration[0].minute, second=0, microsecond=0)
+                    timestamp = calendar.timegm(timestamp.timetuple())
+                    duration = duration[1] - duration[0]
+                    try:
+                        duration = duration.total_seconds()
+                    except AttributeError:
+                        # Py 2.6
+                        duration = duration.td_seconds
+                    if duration is not None and duration < 0:
+                        duration += 24 * 3600
+            else:
+                description = text
+
+        return {
+            # ensure live has a fixed ID
+            'id': player['data-uvid'] if not is_live else video_id,
+            'title': title,
+            'display_id': video_id if not is_live else player['data-uvid'],
+            'formats': formats,
+            'thumbnail': player.get('data-poster'),
+            'duration': duration,
+            'timestamp': timestamp,
+            'description': description,
+            'is_live': is_live,
+        }
+
+
+class TalkTVSeriesIE(InfoExtractor):
+    IE_NAME = 'talk.tv:series'
+    IE_DESC = 'TalkTV UK series catch-up'
+    _VALID_URL = r'https?://(?:watch\.|www\.)?talk\.tv/shows/(?P<id>[\da-f]{8}-(?:[\da-f]{4}-){3}[\da-f]{12})'
+    _TESTS = [{
+        'url': 'https://watch.talk.tv/shows/86dadc3e-c4d2-11ec-b4c6-0af62ebc70d1',
+        'info_dict': {
+            'id': '86dadc3e-c4d2-11ec-b4c6-0af62ebc70d1',
+        },
+        'playlist_mincount': 4,
+    },
+    ]
+
+    def _real_extract(self, url):
+        playlist_id = self._match_id(url)
+        webpage = self._download_webpage(url, playlist_id)
+        episodes = re.finditer(
+            r'''(?i)<a\b[^>]+?\bhref\s*=\s*(?P<q>"|')(?P<href>/watch/(?:(?!(?P=q)).)+)(?P=q)''',
+            webpage)
+        return self.playlist_from_matches(
+            episodes, playlist_id, getter=lambda x: urljoin(url, x.group('href')), ie='TalkTV')

youtube_dl/extractor/youtube.py

@@ -1659,17 +1659,46 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
     def _extract_n_function_name(self, jscode):
         func_name, idx = self._search_regex(
             # 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
-            # old: .get("n"))&&(b=nfunc[idx](b)
-            # older: .get("n"))&&(b=nfunc(b)
+            # or:  (b="nn"[+a.D],c=a.get(b))&&(c=nfunc[idx](c)
+            # or:  (PL(a),b=a.j.n||null)&&(b=nfunc[idx](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)
-                (?:\(\s*(?P<b>[a-z])\s*=\s*(?:
-                    String\s*\.\s*fromCharCode\s*\(\s*110\s*\)|
-                    "n+"\[\s*\+?s*[\w$.]+\s*]
-                )\s*,(?P<c>[a-z])\s*=\s*[a-z]\s*)?
-                \.\s*get\s*\(\s*(?(b)(?P=b)|"n{1,2}")(?:\s*\)){2}\s*&&\s*\(\s*(?(c)(?P=c)|b)\s*=\s*
-                (?P<nfunc>[a-zA-Z_$][\w$]*)(?:\s*\[(?P<idx>\d+)\])?\s*\(\s*[\w$]+\s*\)
-            ''', jscode, 'Initial JS player n function name', group=('nfunc', 'idx'))
+                \((?:[\w$()\s]+,)*?\s*      # (
+                (?P<b>[a-z])\s*=\s*         # b=
+                (?:
+                    (?:                     # expect ,c=a.get(b) (etc)
+                        String\s*\.\s*fromCharCode\s*\(\s*110\s*\)|
+                        "n+"\[\s*\+?s*[\w$.]+\s*]
+                    )\s*(?:,[\w$()\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:
             return func_name
 

youtube_dl/jsinterp.py

@@ -925,9 +925,16 @@ class JSInterpreter(object):
                     obj.reverse()
                     return obj
                 elif member == 'slice':
-                    assertion(isinstance(obj, list), 'must be applied on a list')
-                    assertion(len(argvals) == 1, 'takes exactly one argument')
-                    return obj[argvals[0]:]
+                    assertion(isinstance(obj, (list, compat_str)), 'must be applied on a list or string')
+                    # From [1]:
+                    # .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':
                     assertion(isinstance(obj, list), 'must be applied on a list')
                     assertion(argvals, 'takes one or more arguments')