Merge 48d0994b5b 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;}')
-        # self.assertEqual(jsi.call_function('f'), 0)
+        jsi = JSInterpreter('function f(){return 2 + - + - - 2;}')
+        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

@@ -3033,7 +3033,6 @@ 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

@@ -371,7 +371,6 @@ from .esri import EsriVideoIE
 from .europa import EuropaIE
 from .expotv import ExpoTVIE
 from .expressen import ExpressenIE
-from .extremetube import ExtremeTubeIE
 from .eyedotv import EyedoTVIE
 from .facebook import (
     FacebookIE,
@@ -562,7 +561,6 @@ from .kaltura import KalturaIE
 from .kankan import KankanIE
 from .karaoketv import KaraoketvIE
 from .karrierevideos import KarriereVideosIE
-from .keezmovies import KeezMoviesIE
 from .ketnet import KetnetIE
 from .khanacademy import (
     KhanAcademyIE,
@@ -713,10 +711,6 @@ from .mlb import (
 )
 from .mnet import MnetIE
 from .moevideo import MoeVideoIE
-from .mofosex import (
-    MofosexIE,
-    MofosexEmbedIE,
-)
 from .mojvideo import MojvideoIE
 from .morningstar import MorningstarIE
 from .motherless import (

youtube_dl/extractor/extremetube.py

@@ -1,50 +0,0 @@
-from __future__ import unicode_literals
-
-from ..utils import str_to_int
-from .keezmovies import KeezMoviesIE
-
-
-class ExtremeTubeIE(KeezMoviesIE):
-    _VALID_URL = r'https?://(?:www\.)?extremetube\.com/(?:[^/]+/)?video/(?P<id>[^/#?&]+)'
-    _TESTS = [{
-        'url': 'http://www.extremetube.com/video/music-video-14-british-euro-brit-european-cumshots-swallow-652431',
-        'md5': '92feaafa4b58e82f261e5419f39c60cb',
-        'info_dict': {
-            'id': 'music-video-14-british-euro-brit-european-cumshots-swallow-652431',
-            'ext': 'mp4',
-            'title': 'Music Video 14 british euro brit european cumshots swallow',
-            'uploader': 'anonim',
-            'view_count': int,
-            'age_limit': 18,
-        }
-    }, {
-        'url': 'http://www.extremetube.com/gay/video/abcde-1234',
-        'only_matching': True,
-    }, {
-        'url': 'http://www.extremetube.com/video/latina-slut-fucked-by-fat-black-dick',
-        'only_matching': True,
-    }, {
-        'url': 'http://www.extremetube.com/video/652431',
-        'only_matching': True,
-    }]
-
-    def _real_extract(self, url):
-        webpage, info = self._extract_info(url)
-
-        if not info['title']:
-            info['title'] = self._search_regex(
-                r'<h1[^>]+title="([^"]+)"[^>]*>', webpage, 'title')
-
-        uploader = self._html_search_regex(
-            r'Uploaded by:\s*</[^>]+>\s*<a[^>]+>(.+?)</a>',
-            webpage, 'uploader', fatal=False)
-        view_count = str_to_int(self._search_regex(
-            r'Views:\s*</[^>]+>\s*<[^>]+>([\d,\.]+)</',
-            webpage, 'view count', fatal=False))
-
-        info.update({
-            'uploader': uploader,
-            'view_count': view_count,
-        })
-
-        return info

youtube_dl/extractor/generic.py

@@ -66,7 +66,6 @@ from .tnaflix import TNAFlixNetworkEmbedIE
 from .drtuber import DrTuberIE
 from .redtube import RedTubeIE
 from .tube8 import Tube8IE
-from .mofosex import MofosexEmbedIE
 from .spankwire import SpankwireIE
 from .youporn import YouPornIE
 from .vimeo import (
@@ -3044,11 +3043,6 @@ class GenericIE(InfoExtractor):
         if tube8_urls:
             return self.playlist_from_matches(tube8_urls, video_id, video_title, ie=Tube8IE.ie_key())
 
-        # Look for embedded Mofosex player
-        mofosex_urls = MofosexEmbedIE._extract_urls(webpage)
-        if mofosex_urls:
-            return self.playlist_from_matches(mofosex_urls, video_id, video_title, ie=MofosexEmbedIE.ie_key())
-
         # Look for embedded Spankwire player
         spankwire_urls = SpankwireIE._extract_urls(webpage)
         if spankwire_urls:

youtube_dl/extractor/keezmovies.py

@@ -1,133 +0,0 @@
-from __future__ import unicode_literals
-
-import re
-
-from .common import InfoExtractor
-from ..aes import aes_decrypt_text
-from ..compat import compat_urllib_parse_unquote
-from ..utils import (
-    determine_ext,
-    ExtractorError,
-    int_or_none,
-    str_to_int,
-    strip_or_none,
-    url_or_none,
-)
-
-
-class KeezMoviesIE(InfoExtractor):
-    _VALID_URL = r'https?://(?:www\.)?keezmovies\.com/video/(?:(?P<display_id>[^/]+)-)?(?P<id>\d+)'
-    _TESTS = [{
-        'url': 'https://www.keezmovies.com/video/arab-wife-want-it-so-bad-i-see-she-thirsty-and-has-tiny-money-18070681',
-        'md5': '2ac69cdb882055f71d82db4311732a1a',
-        'info_dict': {
-            'id': '18070681',
-            'display_id': 'arab-wife-want-it-so-bad-i-see-she-thirsty-and-has-tiny-money',
-            'ext': 'mp4',
-            'title': 'Arab wife want it so bad I see she thirsty and has tiny money.',
-            'thumbnail': None,
-            'view_count': int,
-            'age_limit': 18,
-        }
-    }, {
-        'url': 'http://www.keezmovies.com/video/18070681',
-        'only_matching': True,
-    }]
-
-    def _extract_info(self, url, fatal=True):
-        mobj = re.match(self._VALID_URL, url)
-        video_id = mobj.group('id')
-        display_id = (mobj.group('display_id')
-                      if 'display_id' in mobj.groupdict()
-                      else None) or mobj.group('id')
-
-        webpage = self._download_webpage(
-            url, display_id, headers={'Cookie': 'age_verified=1'})
-
-        formats = []
-        format_urls = set()
-
-        title = None
-        thumbnail = None
-        duration = None
-        encrypted = False
-
-        def extract_format(format_url, height=None):
-            format_url = url_or_none(format_url)
-            if not format_url or not format_url.startswith(('http', '//')):
-                return
-            if format_url in format_urls:
-                return
-            format_urls.add(format_url)
-            tbr = int_or_none(self._search_regex(
-                r'[/_](\d+)[kK][/_]', format_url, 'tbr', default=None))
-            if not height:
-                height = int_or_none(self._search_regex(
-                    r'[/_](\d+)[pP][/_]', format_url, 'height', default=None))
-            if encrypted:
-                format_url = aes_decrypt_text(
-                    video_url, title, 32).decode('utf-8')
-            formats.append({
-                'url': format_url,
-                'format_id': '%dp' % height if height else None,
-                'height': height,
-                'tbr': tbr,
-            })
-
-        flashvars = self._parse_json(
-            self._search_regex(
-                r'flashvars\s*=\s*({.+?});', webpage,
-                'flashvars', default='{}'),
-            display_id, fatal=False)
-
-        if flashvars:
-            title = flashvars.get('video_title')
-            thumbnail = flashvars.get('image_url')
-            duration = int_or_none(flashvars.get('video_duration'))
-            encrypted = flashvars.get('encrypted') is True
-            for key, value in flashvars.items():
-                mobj = re.search(r'quality_(\d+)[pP]', key)
-                if mobj:
-                    extract_format(value, int(mobj.group(1)))
-            video_url = flashvars.get('video_url')
-            if video_url and determine_ext(video_url, None):
-                extract_format(video_url)
-
-        video_url = self._html_search_regex(
-            r'flashvars\.video_url\s*=\s*(["\'])(?P<url>http.+?)\1',
-            webpage, 'video url', default=None, group='url')
-        if video_url:
-            extract_format(compat_urllib_parse_unquote(video_url))
-
-        if not formats:
-            if 'title="This video is no longer available"' in webpage:
-                raise ExtractorError(
-                    'Video %s is no longer available' % video_id, expected=True)
-
-        try:
-            self._sort_formats(formats)
-        except ExtractorError:
-            if fatal:
-                raise
-
-        if not title:
-            title = self._html_search_regex(
-                r'<h1[^>]*>([^<]+)', webpage, 'title')
-
-        return webpage, {
-            'id': video_id,
-            'display_id': display_id,
-            'title': strip_or_none(title),
-            'thumbnail': thumbnail,
-            'duration': duration,
-            'age_limit': 18,
-            'formats': formats,
-        }
-
-    def _real_extract(self, url):
-        webpage, info = self._extract_info(url, fatal=False)
-        if not info['formats']:
-            return self.url_result(url, 'Generic')
-        info['view_count'] = str_to_int(self._search_regex(
-            r'<b>([\d,.]+)</b> Views?', webpage, 'view count', fatal=False))
-        return info

youtube_dl/extractor/mofosex.py

@@ -1,79 +0,0 @@
-from __future__ import unicode_literals
-
-import re
-
-from .common import InfoExtractor
-from ..utils import (
-    int_or_none,
-    str_to_int,
-    unified_strdate,
-)
-from .keezmovies import KeezMoviesIE
-
-
-class MofosexIE(KeezMoviesIE):
-    _VALID_URL = r'https?://(?:www\.)?mofosex\.com/videos/(?P<id>\d+)/(?P<display_id>[^/?#&.]+)\.html'
-    _TESTS = [{
-        'url': 'http://www.mofosex.com/videos/318131/amateur-teen-playing-and-masturbating-318131.html',
-        'md5': '558fcdafbb63a87c019218d6e49daf8a',
-        'info_dict': {
-            'id': '318131',
-            'display_id': 'amateur-teen-playing-and-masturbating-318131',
-            'ext': 'mp4',
-            'title': 'amateur teen playing and masturbating',
-            'thumbnail': r're:^https?://.*\.jpg$',
-            'upload_date': '20121114',
-            'view_count': int,
-            'like_count': int,
-            'dislike_count': int,
-            'age_limit': 18,
-        }
-    }, {
-        # This video is no longer available
-        'url': 'http://www.mofosex.com/videos/5018/japanese-teen-music-video.html',
-        'only_matching': True,
-    }]
-
-    def _real_extract(self, url):
-        webpage, info = self._extract_info(url)
-
-        view_count = str_to_int(self._search_regex(
-            r'VIEWS:</span>\s*([\d,.]+)', webpage, 'view count', fatal=False))
-        like_count = int_or_none(self._search_regex(
-            r'id=["\']amountLikes["\'][^>]*>(\d+)', webpage,
-            'like count', fatal=False))
-        dislike_count = int_or_none(self._search_regex(
-            r'id=["\']amountDislikes["\'][^>]*>(\d+)', webpage,
-            'like count', fatal=False))
-        upload_date = unified_strdate(self._html_search_regex(
-            r'Added:</span>([^<]+)', webpage, 'upload date', fatal=False))
-
-        info.update({
-            'view_count': view_count,
-            'like_count': like_count,
-            'dislike_count': dislike_count,
-            'upload_date': upload_date,
-            'thumbnail': self._og_search_thumbnail(webpage),
-        })
-
-        return info
-
-
-class MofosexEmbedIE(InfoExtractor):
-    _VALID_URL = r'https?://(?:www\.)?mofosex\.com/embed/?\?.*?\bvideoid=(?P<id>\d+)'
-    _TESTS = [{
-        'url': 'https://www.mofosex.com/embed/?videoid=318131&referrer=KM',
-        'only_matching': True,
-    }]
-
-    @staticmethod
-    def _extract_urls(webpage):
-        return re.findall(
-            r'<iframe[^>]+\bsrc=["\']((?:https?:)?//(?:www\.)?mofosex\.com/embed/?\?.*?\bvideoid=\d+)',
-            webpage)
-
-    def _real_extract(self, url):
-        video_id = self._match_id(url)
-        return self.url_result(
-            'http://www.mofosex.com/videos/{0}/{0}.html'.format(video_id),
-            ie=MofosexIE.ie_key(), video_id=video_id)

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/tube8.py

@@ -3,32 +3,33 @@ from __future__ import unicode_literals
 import re
 
 from ..utils import (
+    determine_ext,
+    ExtractorError,
     int_or_none,
     str_to_int,
+    url_or_none,
 )
-from .keezmovies import KeezMoviesIE
+from .common import InfoExtractor
+from ..aes import aes_decrypt_text
+from ..compat import compat_urllib_parse_unquote
 
 
-class Tube8IE(KeezMoviesIE):
+class Tube8IE(InfoExtractor):
     _VALID_URL = r'https?://(?:www\.)?tube8\.com/(?:[^/]+/)+(?P<display_id>[^/]+)/(?P<id>\d+)'
     _TESTS = [{
-        'url': 'http://www.tube8.com/teen/kasia-music-video/229795/',
-        'md5': '65e20c48e6abff62ed0c3965fff13a39',
+        'url': 'https://www.tube8.com/erotic/playtime/81807731/',
+        'md5': 'fefa69ff76debaa63aa59374bfc51c95',
         'info_dict': {
-            'id': '229795',
-            'display_id': 'kasia-music-video',
+            'id': '81807731',
+            'display_id': 'playtime',
             'ext': 'mp4',
-            'description': 'hot teen Kasia grinding',
-            'uploader': 'unknown',
-            'title': 'Kasia music video',
+            'uploader': 'kikkijay-ph',
+            'title': 'Playtime',
             'age_limit': 18,
-            'duration': 230,
-            'categories': ['Teen'],
-            'tags': ['dancing'],
+            'duration': 988,
+            'categories': ['Erotic'],
+            'tags': ['adult toys', 'big boobs', 'butt', 'masturbate'],
         },
-    }, {
-        'url': 'http://www.tube8.com/shemale/teen/blonde-cd-gets-kidnapped-by-two-blacks-and-punished-for-being-a-slutty-girl/19569151/',
-        'only_matching': True,
     }]
 
     @staticmethod
@@ -38,49 +39,121 @@ class Tube8IE(KeezMoviesIE):
             webpage)
 
     def _real_extract(self, url):
-        webpage, info = self._extract_info(url)
+        mobj = re.match(self._VALID_URL, url)
+        video_id = mobj.group('id')
+        display_id = mobj.group('display_id')
 
-        if not info['title']:
-            info['title'] = self._html_search_regex(
-                r'videoTitle\s*=\s*"([^"]+)', webpage, 'title')
+        webpage = self._download_webpage(
+            url, display_id, headers={'Cookie': 'age_verified=1'})
 
-        description = self._html_search_regex(
-            r'(?s)Description:</dt>\s*<dd>(.+?)</dd>', webpage, 'description', fatal=False)
-        uploader = self._html_search_regex(
-            r'<span class="username">\s*(.+?)\s*<',
-            webpage, 'uploader', fatal=False)
+        formats = []
+        format_urls = set()
+
+        title = None
+        thumbnail = None
+        duration = None
+        encrypted = False
+
+        def extract_format(format_url, height=None):
+            format_url = url_or_none(format_url)
+            if not format_url or not format_url.startswith(('http', '//')):
+                return
+            if format_url in format_urls:
+                return
+            format_urls.add(format_url)
+            tbr = int_or_none(self._search_regex(
+                r'[/_](\d+)[kK][/_]', format_url, 'tbr', default=None))
+            if not height:
+                height = int_or_none(self._search_regex(
+                    r'[/_](\d+)[pP][/_]', format_url, 'height', default=None))
+            if encrypted:
+                format_url = aes_decrypt_text(
+                    video_url, title, 32).decode('utf-8')
+            formats.append({
+                'url': format_url,
+                'format_id': '%dp' % height if height else None,
+                'height': height,
+                'tbr': tbr,
+            })
+
+        flashvars = self._parse_json(
+            self._search_regex(
+                r'flashvars\s*=\s*({.+?});', webpage,
+                'flashvars', default='{}'),
+            display_id, fatal=False)
+
+        if flashvars:
+            title = flashvars.get('video_title')
+            thumbnail = flashvars.get('image_url')
+            duration = int_or_none(flashvars.get('video_duration'))
+            encrypted = flashvars.get('encrypted') is True
+            uploader = flashvars.get('sponsor')
+            for key, value in flashvars.items():
+                mobj = re.search(r'quality_(\d+)[pP]', key)
+                if mobj:
+                    extract_format(value, int(mobj.group(1)))
+            video_url = flashvars.get('video_url')
+            for key, value in flashvars.items():
+                mobj = re.search(r'quality_(\d+)[pP]', key)
+                if mobj:
+                    extract_format(value, int(mobj.group(1)))
+            video_url = flashvars.get('video_url')
+            if video_url and determine_ext(video_url, None):
+                extract_format(video_url)
+
+        video_url = self._html_search_regex(
+            r'flashvars\.video_url\s*=\s*(["\'])(?P<url>http.+?)\1',
+            webpage, 'video url', default=None, group='url')
+        if video_url:
+            extract_format(compat_urllib_parse_unquote(video_url))
+
+        if not formats:
+            if 'title="This video is no longer available"' in webpage:
+                raise ExtractorError(
+                    'Video %s is no longer available' % video_id, expected=True)
+
+        self._sort_formats(formats)
+
+        if not title:
+            title = self._html_search_regex([
+                r'<h1[^>]*>([^<]+)'
+                r'videoTitle\s*=\s*"([^"]+)'], webpage, 'title', default=display_id.capitalize())
 
         like_count = int_or_none(self._search_regex(
-            r'rupVar\s*=\s*"(\d+)"', webpage, 'like count', fatal=False))
+            r'rupVar\s*=\s*(\d+);', webpage, 'like count', fatal=False))
         dislike_count = int_or_none(self._search_regex(
-            r'rdownVar\s*=\s*"(\d+)"', webpage, 'dislike count', fatal=False))
+            r'rdownVar\s*=\s*(\d+);', webpage, 'dislike count', fatal=False))
         view_count = str_to_int(self._search_regex(
             r'Views:\s*</dt>\s*<dd>([\d,\.]+)',
             webpage, 'view count', fatal=False))
         comment_count = str_to_int(self._search_regex(
-            r'<span id="allCommentsCount">(\d+)</span>',
+            r'<span id="allCommentsCount">\((\d+)\)</span>',
             webpage, 'comment count', fatal=False))
 
         category = self._search_regex(
-            r'Category:\s*</dt>\s*<dd>\s*<a[^>]+href=[^>]+>([^<]+)',
+            r'videoCategoryByName\s*=\s*"([^"]+)";',
             webpage, 'category', fatal=False)
         categories = [category] if category else None
 
         tags_str = self._search_regex(
-            r'(?s)Tags:\s*</dt>\s*<dd>(.+?)</(?!a)',
+            r"(?s)<li\s+class\s*=\s*'video-tag'\s+data-esp-node\s*=\s*'tag'>(.*?)</div>",
             webpage, 'tags', fatal=False)
         tags = [t for t in re.findall(
             r'<a[^>]+href=[^>]+>([^<]+)', tags_str)] if tags_str else None
 
-        info.update({
-            'description': description,
+        return {
             'uploader': uploader,
+            'id': video_id,
+            'display_id': display_id,
+            'title': title,
+            'thumbnail': thumbnail,
+            'duration': duration,
+            'age_limit': 18,
+            'formats': formats,
             'view_count': view_count,
             'like_count': like_count,
             'dislike_count': dislike_count,
             'comment_count': comment_count,
             'categories': categories,
             'tags': tags,
-        })
-
-        return info
+        }

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.add(c)
+            op_chars.update(op[0])
         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
-        after_op, in_regex_char_group = True, False
-
+        in_quote, escaping, after_op, in_regex_char_group = None, False, 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():
-        return itertools.chain(
-            # Ref: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Operator_Precedence
-            _SC_OPERATORS, _LOG_OPERATORS, _COMP_OPERATORS, _OPERATORS)
+    def _all_operators(_cached=[]):
+        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))
+        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
@@ -760,18 +799,28 @@ 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
-                        right_expr = None
+                        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:
                     continue
@@ -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: