Merge 66ee6aa2da into 4d05f84325

* no space after @ in decorator

test/test_jsinterp.py

@@ -577,9 +577,11 @@ class TestJSInterpreter(unittest.TestCase):
     def test_unary_operators(self):
         jsi = JSInterpreter('function f(){return 2  -  - - 2;}')
         self.assertEqual(jsi.call_function('f'), 0)
-        # fails
+        jsi = JSInterpreter('function f(){return 2 + - + - - 2;}')
-        # jsi = JSInterpreter('function f(){return 2 + - + - - 2;}')
+        self.assertEqual(jsi.call_function('f'), 0)
-        # self.assertEqual(jsi.call_function('f'), 0)
+        # https://github.com/ytdl-org/youtube-dl/issues/32815
+        jsi = JSInterpreter('function f(){return 0  - 7 * - 6;}')
+        self.assertEqual(jsi.call_function('f'), 42)
 
     """ # fails so far
     def test_packed(self):

test/test_youtube_signature.py

@@ -158,6 +158,10 @@ _NSIG_TESTS = [
         'https://www.youtube.com/s/player/b7910ca8/player_ias.vflset/en_US/base.js',
         '_hXMCwMt9qE310D', 'LoZMgkkofRMCZQ',
     ),
+    (
+        'https://www.youtube.com/s/player/590f65a6/player_ias.vflset/en_US/base.js',
+        '1tm7-g_A9zsI8_Lay_', 'xI4Vem4Put_rOg',
+    ),
 ]
 
 

youtube_dl/extractor/common.py

@@ -1370,6 +1370,10 @@ class InfoExtractor(object):
         if isinstance(json_ld, dict):
             json_ld = [json_ld]
 
+        def valued_dict(items):
+            """Return dict from dict or iterable of pairs omitting None values"""
+            return dict((k, v) for k, v in (items.items() if isinstance(items, dict) else items) if v is not None)
+
         INTERACTION_TYPE_MAP = {
             'CommentAction': 'comment',
             'AgreeAction': 'like',
@@ -1461,19 +1465,25 @@ class InfoExtractor(object):
                     part_of_series = e.get('partOfSeries') or e.get('partOfTVSeries')
                     if isinstance(part_of_series, dict) and part_of_series.get('@type') in ('TVSeries', 'Series', 'CreativeWorkSeries'):
                         info['series'] = unescapeHTML(part_of_series.get('name'))
-                elif item_type == 'Movie':
+                elif item_type in ('TVSeries', 'Series', 'CreativeWorkSeries'):
+                    series_name = unescapeHTML(e.get('name'))
                     info.update({
+                        'series': series_name,
+                    })
+                elif item_type == 'Movie':
+                    # here and in the next, don't erase existing value with None
+                    info.update(valued_dict({
                         'title': unescapeHTML(e.get('name')),
                         'description': unescapeHTML(e.get('description')),
                         'duration': parse_duration(e.get('duration')),
                         'timestamp': unified_timestamp(e.get('dateCreated')),
-                    })
+                    }))
                 elif item_type in ('Article', 'NewsArticle'):
-                    info.update({
+                    info.update(valued_dict({
                         'timestamp': parse_iso8601(e.get('datePublished')),
                         'title': unescapeHTML(e.get('headline')),
                         'description': unescapeHTML(e.get('articleBody')),
-                    })
+                    }))
                 elif item_type == 'VideoObject':
                     extract_video_object(e)
                     if expected_type is None:
@@ -1487,7 +1497,7 @@ class InfoExtractor(object):
                     continue
                 else:
                     break
-        return dict((k, v) for k, v in info.items() if v is not None)
+        return valued_dict(info)
 
     def _search_nextjs_data(self, webpage, video_id, **kw):
         # ..., *, transform_source=None, fatal=True, default=NO_DEFAULT
@@ -3033,7 +3043,6 @@ class InfoExtractor(object):
             transform_source=transform_source, default=None)
 
     def _extract_jwplayer_data(self, webpage, video_id, *args, **kwargs):
-
         # allow passing `transform_source` through to _find_jwplayer_data()
         transform_source = kwargs.pop('transform_source', None)
         kwfind = compat_kwargs({'transform_source': transform_source}) if transform_source else {}

youtube_dl/extractor/extractors.py

@@ -1325,6 +1325,10 @@ from .trovo import (
     TrovoIE,
     TrovoVodIE,
 )
+from .trt import (
+    TRTIE,
+    TRTLiveIE,
+)
 from .trunews import TruNewsIE
 from .trutv import TruTVIE
 from .tube8 import Tube8IE

youtube_dl/extractor/palcomp3.py

@@ -8,7 +8,7 @@ from ..compat import compat_str
 from ..utils import (
     int_or_none,
     str_or_none,
-    try_get,
+    traverse_obj,
 )
 
 
@@ -109,7 +109,7 @@ class PalcoMP3ArtistIE(PalcoMP3BaseIE):
     }
     name'''
 
-    @ classmethod
+    @classmethod
     def suitable(cls, url):
         return False if re.match(PalcoMP3IE._VALID_URL, url) else super(PalcoMP3ArtistIE, cls).suitable(url)
 
@@ -118,7 +118,8 @@ class PalcoMP3ArtistIE(PalcoMP3BaseIE):
         artist = self._call_api(artist_slug, self._ARTIST_FIELDS_TMPL)['artist']
 
         def entries():
-            for music in (try_get(artist, lambda x: x['musics']['nodes'], list) or []):
+            for music in traverse_obj(artist, (
+                    'musics', 'nodes', lambda _, m: m['musicID'])):
                 yield self._parse_music(music)
 
         return self.playlist_result(
@@ -137,7 +138,7 @@ class PalcoMP3VideoIE(PalcoMP3BaseIE):
             'title': 'Maiara e Maraisa - Você Faz Falta Aqui - DVD Ao Vivo Em Campo Grande',
             'description': 'md5:7043342c09a224598e93546e98e49282',
             'upload_date': '20161107',
-            'uploader_id': 'maiaramaraisaoficial',
+            'uploader_id': '@maiaramaraisaoficial',
             'uploader': 'Maiara e Maraisa',
         }
     }]

youtube_dl/extractor/trt.py

@@ -0,0 +1,325 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+import json
+import re
+import time
+
+from .common import InfoExtractor
+
+from ..compat import (
+    compat_urlparse,
+)
+from ..utils import (
+    determine_ext,
+    dict_get,
+    merge_dicts,
+    parse_iso8601,
+    strip_or_none,
+    try_get,
+    url_or_none,
+    urljoin,
+)
+
+
+class TRTIE(InfoExtractor):
+    IE_DESC = 'TRT (Turkish State TV) programs and series'
+    _VALID_URL = r'''(?x)
+                     (?P<list>https?://(?:www\.)trtizle\.com/
+                         (?:diziler|programlar|belgesel|filmler|cocuk|trtarsiv|engelsiz)/
+                             (?P<show>[\w-]+))(?:/(?P<id>[\w-]+))?'''
+    _TESTS = [{
+        'url': 'https://www.trtizle.com/belgesel/dunya-tarihinin-donum-noktalari/dunya-tarihinin-donum-noktalari-1-bolum-125583',
+        'md5': 'c46dc0b9b53ad372c4ac6b3982805f05',
+        'info_dict': {
+            'id': 'dunya-tarihinin-donum-noktalari-1-bolum-125583',
+            'ext': 'mp4',
+            'title': 'Dünya Tarihinin Dönüm Noktaları 1.Bölüm',
+            'description': 'Bedelini insanların ödeyeceği bir imparatorluk çekişmesinde Persler, Yunanlara karşı...',
+            'timestamp': 1617148800,
+            'upload_date': '20210331',
+            'thumbnail': r're:https?://.+\.jpe?g',
+            'duration': float,
+            'series': 'Dünya Tarihinin Dönüm Noktaları',
+        },
+        'params': {
+            # adaptive download
+            'skip_download': True,
+        }
+    }, {
+        'url': 'https://www.trtizle.com/belgesel/dunya-tarihinin-donum-noktalari',
+        'info_dict': {
+            'id': 'dunya-tarihinin-donum-noktalari',
+            'title': 'Dünya Tarihinin Dönüm Noktaları',
+        },
+        'playlist_mincount': 22,
+    }, {
+        'url': 'https://www.trtizle.com/diziler/yol-ayrimi/yol-ayrimi-1-bolum-5774583',
+        'md5': '67ada6b2020b5dd0d3e24646b2725676',
+        'info_dict': {
+            'id': 'yol-ayrimi-1-bolum-5774583',
+            'ext': 'mp4',
+            'title': 'Yol Ayrımı 1.Bölüm',
+            'description': 'Seyrisefain balosunda, herkes bir haberin akıbetini beklemektedir…',
+            'timestamp': 1623888000,
+            'upload_date': '20210617',
+            'thumbnail': r're:https?://.+\.jpe?g',
+            'duration': float,
+            'series': 'Yol Ayrımı',
+        },
+        'params': {
+            # adaptive download
+            'skip_download': True,
+        },
+    }, {
+        'url': 'https://www.trtizle.com/diziler/yol-ayrimi/',
+        'info_dict': {
+            'id': 'yol-ayrimi',
+            'title': 'Yol Ayrımı',
+        },
+        'playlist_mincount': 5,
+    }, {
+        'url': 'https://www.trtizle.com/programlar/sade-saz/sade-saz-1-bolum-7646201',
+        'md5': '8f416e64379ea4d1d3ea0a65dc922f5c',
+        'info_dict': {
+            'id': 'sade-saz-1-bolum-7646201',
+            'ext': 'mp4',
+            'title': 'Sade Saz 1.Bölüm',
+            'description': 'Sade Saz’ın ilk bölümünün konuğu, tanbur icracısı K. Alper Uzkur.',
+            'timestamp': 1641772800,
+            'upload_date': '20220110',
+            'thumbnail': r're:https?://.+\.jpe?g',
+            'duration': float,
+            'series': 'Sade Saz',
+        },
+        'params': {
+            # adaptive download
+            'skip_download': True,
+        },
+    }, {
+        'url': 'https://www.trtizle.com/programlar/sade-saz',
+        'info_dict': {
+            'id': 'sade-saz',
+            'title': 'Sade Saz',
+        },
+        'playlist_mincount': 6,
+    }, {
+        'url': 'https://www.trtizle.com/filmler/looking-for-eric/looking-for-eric-8414201',
+        'md5': '833d61e4a10606d71b3903295cfa3c63',
+        'info_dict': {
+            'id': 'looking-for-eric-8414201',
+            'ext': 'mp4',
+            'title': 'Looking for Eric',
+            'description': 'Postacı Eric\'in hayatı krize sürüklenirken gerçek ve hayal birbirine karışır...',
+            'upload_date': '20220401',
+            'timestamp': 1648771200,
+            'thumbnail': r're:https?://.+\.jpe?g',
+            'duration': float,
+        },
+        'params': {
+            # adaptive download
+            'skip_download': True,
+        },
+    }, {
+        'url': 'https://www.trtizle.com/cocuk/kaptan-pengu-ve-arkadaslari/kaptan-pengu-ve-arkadaslari-okul-aciliyor-6034815',
+        'md5': '551c479d1a6bc7c538356907d4ea5d19',
+        'info_dict': {
+            'id': 'kaptan-pengu-ve-arkadaslari-okul-aciliyor-6034815',
+            'ext': 'mp4',
+            'title': 'Kaptan Pengu ve Arkadaşları 1.Bölüm',
+            'description': 'Hayvanlar Konseyi\'nden Kaptan Pengu\'ya bir mektup vardır...',
+            'timestamp': 1626134400,
+            'upload_date': '20210713',
+            'thumbnail': r're:https?://.+\.jpe?g',
+            'duration': float,
+            'series': 'Kaptan Pengu ve Arkadaşları',
+        },
+        'params': {
+            # adaptive download
+            'skip_download': True,
+        },
+    }, {
+        'url': 'https://www.trtizle.com/cocuk/kaptan-pengu-ve-arkadaslari',
+        'info_dict': {
+            'id': 'kaptan-pengu-ve-arkadaslari',
+            'title': 'Kaptan Pengu ve Arkadaşları',
+        },
+        'playlist_mincount': 41,
+    },
+    ]
+
+    def _extract_formats(self, fmt_url, video_id):
+        formats = []
+        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', fatal=False))
+        elif ext == 'mpd':
+            formats.extend(self._extract_mpd_formats(
+                fmt_url, video_id, mpd_id='dash', fatal=False))
+        else:
+            formats.append({
+                'url': fmt_url,
+            })
+        return formats
+
+    def _extract_list(self, playlist_id, url):
+        webpage = self._download_webpage(url, playlist_id)
+        LIST_RE = (
+            r'''<a\s[^>]*?\b%s\s*=\s*['"](%s(?:(?<=/)|/)[\w-]+)'''
+            % ('data-path' if 'data-path' in webpage else 'href',
+               re.escape(compat_urlparse.urlparse(url).path), ))
+
+        def entries():
+            for item_url in re.finditer(LIST_RE, webpage):
+                item_url = urljoin(url, item_url.group(1))
+                yield self._extract_video(self._match_id(item_url), item_url)
+
+        series = self._search_json_ld(webpage, playlist_id, default={}, expected_type='TVSeries')
+        return self.playlist_result(entries(), playlist_id, series.get('series'))
+
+    def _extract_video(self, video_id, url):
+        webpage = self._download_webpage(url, video_id)
+        result = self._search_json_ld(webpage, video_id, default={})
+        result['id'] = video_id
+        if 'title' not in result:
+            result['title'] = (
+                self._html_search_meta(('title', 'og:title', 'twitter:title'), webpage)
+                or self._html_search_regex(r'<title\b[^>]*>([^<]+)</title\b', webpage, 'title'))
+        fmt_url = result.get('url')
+        formats = []
+        if fmt_url:
+            del result['url']
+            formats = self._extract_formats(fmt_url, video_id)
+        self._sort_formats(formats)
+        result['formats'] = formats
+
+        return merge_dicts(
+            result, {
+                'description': self._html_search_meta(('description', 'og:description'), webpage, 'description'),
+                'thumbnail': url_or_none(self._og_search_thumbnail(webpage)),
+            })
+
+    def _real_extract(self, url):
+        show_id, video_id, playlist_url = re.match(self._VALID_URL, url).group('show', 'id', 'list')
+        # TODO: adapt --yes/no-playlist to make this work properly
+        # if not video_id or self._downloader.params.get('noplaylist') is False:
+        if not video_id:
+            return self._extract_list(show_id, playlist_url)
+
+        return self._extract_video(video_id, url)
+
+
+class TRTLiveIE(TRTIE):
+    IE_DESC = 'TRT (Turkish State TV and radio) live channels'
+    _VALID_URL = r'https?://(?:www\.)?trtizle\.com/canli/(?:tv/trt-|radyo/(?:radyo-)?)(?P<id>[\w-]+)'
+    _TESTS = [{
+        'url': 'https://www.trtizle.com/canli/tv/trt-world',
+        'info_dict': {
+            'id': 'trtworld',
+            'ext': 'mp4',
+            'title': r're:TRT WORLD .+',
+            'description': 'TRT World',
+            'is_live': True,
+        },
+        'params': {
+            # adaptive download
+            'skip_download': True,
+        }
+    },
+    ]
+
+    def _real_extract(self, url):
+        chan_id = self._match_id(url)
+        webpage = self._download_webpage(url, chan_id)
+        chan_id = self._search_regex(
+            r'\blivePlayer\s*\.\s*openPlayer\s*\([^)]*?\btrt\.com\.tr/trtportal/(?:[^/]+/)+thumbnails/([\w-]+)\.(?:jp|png)',
+            webpage, 'slug', fatal=False) or chan_id
+        chan_url = self._search_regex(
+            r'''\blivePlayerConfig\s*\.\s*baseEpgUrl\s*=\s*(?P<q>'|")(?P<url>https?://(?:(?!(?P=q)).)+)(?P=q)''',
+            webpage, 'player config', group='url')
+        chan_url = '%s%s.json' % (chan_url, chan_id)
+
+        def maybe_xml2json(src):
+            """Turn unexpected XML returned from an API URL into JSON"""
+            m = re.match(r'''^\s*<\?xml\b(?:[^/>]*?\bencoding\s*=\s*['"](?P<enc>[\w-]+))?[^/>]*\?>\s*(?P<xml><.+>)$''', src)
+            if m:
+
+                # Thanks https://stackoverflow.com/a/63556250 for inspiration
+                ATTR_RE = (
+                    r"""(?s)(?P<avr>\S ?)(?:\s*=\s*(?P<q>['"])(?P<avl>.*?)(?<!\\)(?P=q))?"""
+                )
+
+                def elt_value(attr_str, val_dict):
+                    v = {}
+                    attrs = dict((j.group("avr"), j.groupdict(True).get("avl"))
+                                 for j in re.finditer(ATTR_RE, attr_str.strip()))
+                    if attrs:
+                        v['@attributes'] = attrs
+                    v['@values'] = val_dict
+                    return v
+
+                def xml2dict(xml_str):
+                    elts = re.findall(
+                        r"(?s)<(?P<var>\S )(?P<attr>[^/>]*)(?:(?:>(?P<val>.*?)</(?P=var)>)|(?:/>))",
+                        xml_str,
+                    )
+
+                    if elts:
+                        elts = [{i[0]: elt_value(i[1], xml2dict(i[2]))} for i in elts]
+                        if len(elts) == 1:
+                            return elts[0]
+                        return elts
+                    return xml_str
+
+                try:
+                    return json.dumps(xml2dict(m.group('xml').encode(m.group('enc') or 'utf-8')))
+                except Exception:
+                    pass
+            return src
+
+        chan_info = self._download_json(
+            chan_url, chan_id, fatal=False,
+            note='Downloading player EPG JSON',
+            query={'_': int(time.time() * 1000)},
+            expected_status=403,
+            # errors are returned as XML
+            transform_source=maybe_xml2json)
+        if not isinstance(chan_info, dict) or 'Error' in chan_info:
+            chan_info = self._download_json(
+                'https://trtizle-api.cdn.wp.trt.com.tr/trttv/v3/livestream',
+                chan_id, fatal=False,
+                note='Downloading livestream API JSON',
+                query={'path': compat_urlparse.urlparse(url).path}) or {}
+
+        title = chan_info['channel']['title']
+
+        current = try_get(chan_info, lambda x: x['current'], dict) or {}
+        if current.get('geo_block'):
+            self._downloader.report_warning(
+                '[%s] %s' % (self.IE_NAME, 'Stream is geo-blocked'))
+
+        chan_info = chan_info['channel']
+        fmt_url = dict_get(chan_info, ('url', 'noneDvrUrl'))
+        formats = []
+        if fmt_url:
+            formats = self._extract_formats(fmt_url, chan_id)
+        self._sort_formats(formats)
+
+        start_end = [parse_iso8601(current.get(x)) for x in ('starttime', 'endtime')]
+        if None in start_end:
+            start_end = None
+
+        return {
+            'id': chan_id,
+            'title': self._live_title(current.get('title') or title),
+            'is_live': True,
+            'formats': formats,
+            'description': strip_or_none(chan_info.get('description')),
+            'thumbnail': next((url_or_none(chan_info.get(x))
+                              for x in ('thumbnail', 'thumbnailYoutubeUrl', 'square_logo', 'livestreamLogoUrl')),
+                              None),
+            'timestamp': start_end and start_end[0],
+            'duration': start_end and (start_end[1] - time.time()),
+        }

youtube_dl/jsinterp.py

@@ -14,6 +14,7 @@ from .utils import (
     remove_quotes,
     unified_timestamp,
     variadic,
+    write_string,
 )
 from .compat import (
     compat_basestring,
@@ -53,15 +54,16 @@ def wraps_op(op):
 
 # NB In principle NaN cannot be checked by membership.
 # Here all NaN values are actually this one, so _NaN is _NaN,
-# although _NaN != _NaN.
+# although _NaN != _NaN. Ditto Infinity.
 
 _NaN = float('nan')
+_Infinity = float('inf')
 
 
 def _js_bit_op(op):
 
     def zeroise(x):
-        return 0 if x in (None, JS_Undefined, _NaN) else x
+        return 0 if x in (None, JS_Undefined, _NaN, _Infinity) else x
 
     @wraps_op(op)
     def wrapped(a, b):
@@ -84,7 +86,7 @@ def _js_arith_op(op):
 def _js_div(a, b):
     if JS_Undefined in (a, b) or not (a or b):
         return _NaN
-    return operator.truediv(a or 0, b) if b else float('inf')
+    return operator.truediv(a or 0, b) if b else _Infinity
 
 
 def _js_mod(a, b):
@@ -220,6 +222,42 @@ class LocalNameSpace(ChainMap):
         return 'LocalNameSpace%s' % (self.maps, )
 
 
+class Debugger(object):
+    ENABLED = False
+
+    @staticmethod
+    def write(*args, **kwargs):
+        level = kwargs.get('level', 100)
+
+        def truncate_string(s, left, right=0):
+            if s is None or len(s) <= left + right:
+                return s
+            return '...'.join((s[:left - 3], s[-right:] if right else ''))
+
+        write_string('[debug] JS: {0}{1}\n'.format(
+            '  ' * (100 - level),
+            ' '.join(truncate_string(compat_str(x), 50, 50) for x in args)))
+
+    @classmethod
+    def wrap_interpreter(cls, f):
+        def interpret_statement(self, stmt, local_vars, allow_recursion, *args, **kwargs):
+            if cls.ENABLED and stmt.strip():
+                cls.write(stmt, level=allow_recursion)
+            try:
+                ret, should_ret = f(self, stmt, local_vars, allow_recursion, *args, **kwargs)
+            except Exception as e:
+                if cls.ENABLED:
+                    if isinstance(e, ExtractorError):
+                        e = e.orig_msg
+                    cls.write('=> Raises:', e, '<-|', stmt, level=allow_recursion)
+                raise
+            if cls.ENABLED and stmt.strip():
+                if should_ret or not repr(ret) == stmt:
+                    cls.write(['->', '=>'][should_ret], repr(ret), '<-|', stmt, level=allow_recursion)
+            return ret, should_ret
+        return interpret_statement
+
+
 class JSInterpreter(object):
     __named_object_counter = 0
 
@@ -307,8 +345,7 @@ class JSInterpreter(object):
     def __op_chars(cls):
         op_chars = set(';,[')
         for op in cls._all_operators():
-            for c in op[0]:
+            op_chars.update(op[0])
-                op_chars.add(c)
         return op_chars
 
     def _named_object(self, namespace, obj):
@@ -326,9 +363,8 @@ class JSInterpreter(object):
         # collections.Counter() is ~10% slower in both 2.7 and 3.9
         counters = dict((k, 0) for k in _MATCHING_PARENS.values())
         start, splits, pos, delim_len = 0, 0, 0, len(delim) - 1
-        in_quote, escaping, skipping = None, False, 0
+        in_quote, escaping, after_op, in_regex_char_group = None, False, True, False
-        after_op, in_regex_char_group = True, False
+        skipping = 0
-
         for idx, char in enumerate(expr):
             paren_delta = 0
             if not in_quote:
@@ -382,10 +418,12 @@ class JSInterpreter(object):
         return separated[0][1:].strip(), separated[1].strip()
 
     @staticmethod
-    def _all_operators():
+    def _all_operators(_cached=[]):
-        return itertools.chain(
+        if not _cached:
+            _cached.extend(itertools.chain(
                 # Ref: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Operator_Precedence
-            _SC_OPERATORS, _LOG_OPERATORS, _COMP_OPERATORS, _OPERATORS)
+                _SC_OPERATORS, _LOG_OPERATORS, _COMP_OPERATORS, _OPERATORS))
+        return _cached
 
     def _operator(self, op, left_val, right_expr, expr, local_vars, allow_recursion):
         if op in ('||', '&&'):
@@ -416,7 +454,7 @@ class JSInterpreter(object):
         except Exception as e:
             if allow_undefined:
                 return JS_Undefined
-            raise self.Exception('Cannot get index {idx:.100}'.format(**locals()), expr=repr(obj), cause=e)
+            raise self.Exception('Cannot get index {idx!r:.100}'.format(**locals()), expr=repr(obj), cause=e)
 
     def _dump(self, obj, namespace):
         try:
@@ -438,6 +476,7 @@ class JSInterpreter(object):
     _FINALLY_RE = re.compile(r'finally\s*\{')
     _SWITCH_RE = re.compile(r'switch\s*\(')
 
+    @Debugger.wrap_interpreter
     def interpret_statement(self, stmt, local_vars, allow_recursion=100):
         if allow_recursion < 0:
             raise self.Exception('Recursion limit reached')
@@ -511,7 +550,6 @@ class JSInterpreter(object):
                 expr = self._dump(inner, local_vars) + outer
 
         if expr.startswith('('):
-
             m = re.match(r'\((?P<d>[a-z])%(?P<e>[a-z])\.length\+(?P=e)\.length\)%(?P=e)\.length', expr)
             if m:
                 # short-cut eval of frequently used `(d%e.length+e.length)%e.length`, worth ~6% on `pytest -k test_nsig`
@@ -693,7 +731,7 @@ class JSInterpreter(object):
                 (?P<op>{_OPERATOR_RE})?
                 =(?!=)(?P<expr>.*)$
             )|(?P<return>
-                (?!if|return|true|false|null|undefined)(?P<name>{_NAME_RE})$
+                (?!if|return|true|false|null|undefined|NaN|Infinity)(?P<name>{_NAME_RE})$
             )|(?P<indexing>
                 (?P<in>{_NAME_RE})\[(?P<idx>.+)\]$
             )|(?P<attribute>
@@ -727,11 +765,12 @@ class JSInterpreter(object):
             raise JS_Break()
         elif expr == 'continue':
             raise JS_Continue()
-
         elif expr == 'undefined':
             return JS_Undefined, should_return
         elif expr == 'NaN':
             return _NaN, should_return
+        elif expr == 'Infinity':
+            return _Infinity, should_return
 
         elif md.get('return'):
             return local_vars[m.group('name')], should_return
@@ -760,17 +799,27 @@ class JSInterpreter(object):
             right_expr = separated.pop()
             # handle operators that are both unary and binary, minimal BODMAS
             if op in ('+', '-'):
+                # simplify/adjust consecutive instances of these operators
                 undone = 0
                 while len(separated) > 1 and not separated[-1].strip():
                     undone += 1
                     separated.pop()
                 if op == '-' and undone % 2 != 0:
                     right_expr = op + right_expr
+                elif op == '+':
+                    while len(separated) > 1 and separated[-1].strip() in self.OP_CHARS:
+                        right_expr = separated.pop() + right_expr
+                # hanging op at end of left => unary + (strip) or - (push right)
                 left_val = separated[-1]
                 for dm_op in ('*', '%', '/', '**'):
                     bodmas = tuple(self._separate(left_val, dm_op, skip_delims=skip_delim))
                     if len(bodmas) > 1 and not bodmas[-1].strip():
                         expr = op.join(separated) + op + right_expr
+                        if len(separated) > 1:
+                            separated.pop()
+                            right_expr = op.join((left_val, right_expr))
+                        else:
+                            separated = [op.join((left_val, right_expr))]
                             right_expr = None
                         break
                 if right_expr is None:
@@ -797,6 +846,8 @@ class JSInterpreter(object):
 
             def eval_method():
                 if (variable, member) == ('console', 'debug'):
+                    if Debugger.ENABLED:
+                        Debugger.write(self.interpret_expression('[{}]'.format(arg_str), local_vars, allow_recursion))
                     return
                 types = {
                     'String': compat_str,

youtube_dl/utils.py

@@ -2406,7 +2406,7 @@ class ExtractorError(YoutubeDLError):
         """ tb, if given, is the original traceback (so that it can be printed out).
         If expected is set, this is a normal error message and most likely not a bug in youtube-dl.
         """
-
+        self.orig_msg = msg
         if sys.exc_info()[0] in (compat_urllib_error.URLError, socket.timeout, UnavailableVideoError):
             expected = True
         if video_id is not None: