Merge 5aee29b7ca 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/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/senateisvp.py

@@ -5,48 +5,52 @@ import re
 from .common import InfoExtractor
 from ..utils import (
     ExtractorError,
+    parse_duration,
     unsmuggle_url,
+    url_or_none,
 )
-from ..compat import (
-    compat_parse_qs,
-    compat_urlparse,
-)
+from ..compat import compat_parse_qs
 
 
 class SenateISVPIE(InfoExtractor):
+
+    # [committee, stream_number, stream_domain, stream_id, msl3]
     _COMM_MAP = [
-        ['ag', '76440', 'http://ag-f.akamaihd.net'],
-        ['aging', '76442', 'http://aging-f.akamaihd.net'],
-        ['approps', '76441', 'http://approps-f.akamaihd.net'],
-        ['armed', '76445', 'http://armed-f.akamaihd.net'],
-        ['banking', '76446', 'http://banking-f.akamaihd.net'],
-        ['budget', '76447', 'http://budget-f.akamaihd.net'],
-        ['cecc', '76486', 'http://srs-f.akamaihd.net'],
-        ['commerce', '80177', 'http://commerce1-f.akamaihd.net'],
-        ['csce', '75229', 'http://srs-f.akamaihd.net'],
-        ['dpc', '76590', 'http://dpc-f.akamaihd.net'],
-        ['energy', '76448', 'http://energy-f.akamaihd.net'],
-        ['epw', '76478', 'http://epw-f.akamaihd.net'],
-        ['ethics', '76449', 'http://ethics-f.akamaihd.net'],
-        ['finance', '76450', 'http://finance-f.akamaihd.net'],
-        ['foreign', '76451', 'http://foreign-f.akamaihd.net'],
-        ['govtaff', '76453', 'http://govtaff-f.akamaihd.net'],
-        ['help', '76452', 'http://help-f.akamaihd.net'],
-        ['indian', '76455', 'http://indian-f.akamaihd.net'],
-        ['intel', '76456', 'http://intel-f.akamaihd.net'],
-        ['intlnarc', '76457', 'http://intlnarc-f.akamaihd.net'],
-        ['jccic', '85180', 'http://jccic-f.akamaihd.net'],
-        ['jec', '76458', 'http://jec-f.akamaihd.net'],
-        ['judiciary', '76459', 'http://judiciary-f.akamaihd.net'],
-        ['rpc', '76591', 'http://rpc-f.akamaihd.net'],
-        ['rules', '76460', 'http://rules-f.akamaihd.net'],
-        ['saa', '76489', 'http://srs-f.akamaihd.net'],
-        ['smbiz', '76461', 'http://smbiz-f.akamaihd.net'],
-        ['srs', '75229', 'http://srs-f.akamaihd.net'],
-        ['uscc', '76487', 'http://srs-f.akamaihd.net'],
-        ['vetaff', '76462', 'http://vetaff-f.akamaihd.net'],
-        ['arch', '', 'http://ussenate-f.akamaihd.net/']
+        ['ag', '76440', 'http://ag-f.akamaihd.net', '2036803', 'agriculture'],
+        ['aging', '76442', 'http://aging-f.akamaihd.net', '2036801', 'aging'],
+        ['approps', '76441', 'http://approps-f.akamaihd.net', '2036802', 'appropriations'],
+        ['armed', '76445', 'http://armed-f.akamaihd.net', '2036800', 'armedservices'],
+        ['banking', '76446', 'http://banking-f.akamaihd.net', '2036799', 'banking'],
+        ['budget', '76447', 'http://budget-f.akamaihd.net', '2036798', 'budget'],
+        ['cecc', '76486', 'http://srs-f.akamaihd.net', '2036782', 'srs_cecc'],
+        ['commerce', '80177', 'http://commerce1-f.akamaihd.net', '2036779', 'commerce'],
+        ['csce', '75229', 'http://srs-f.akamaihd.net', '2036777', 'srs_srs'],
+        ['dpc', '76590', 'http://dpc-f.akamaihd.net', None, 'dpc'],
+        ['energy', '76448', 'http://energy-f.akamaihd.net', '2036797', 'energy'],
+        ['epw', '76478', 'http://epw-f.akamaihd.net', '2036783', 'environment'],
+        ['ethics', '76449', 'http://ethics-f.akamaihd.net', '2036796', 'ethics'],
+        ['finance', '76450', 'http://finance-f.akamaihd.net', '2036795', 'finance_finance'],
+        ['foreign', '76451', 'http://foreign-f.akamaihd.net', '2036794', 'foreignrelations'],
+        ['govtaff', '76453', 'http://govtaff-f.akamaihd.net', '2036792', 'hsgac'],
+        ['help', '76452', 'http://help-f.akamaihd.net', '2036793', 'help'],
+        ['indian', '76455', 'http://indian-f.akamaihd.net', '2036791', 'indianaffairs'],
+        ['intel', '76456', 'http://intel-f.akamaihd.net', '2036790', 'intelligence'],
+        ['intlnarc', '76457', 'http://intlnarc-f.akamaihd.net', None, 'internationalnarcoticscaucus'],
+        ['jccic', '85180', 'http://jccic-f.akamaihd.net', '2036778', 'jccic'],
+        ['jec', '76458', 'http://jec-f.akamaihd.net', '2036789', 'jointeconomic'],
+        ['judiciary', '76459', 'http://judiciary-f.akamaihd.net', '2036788', 'judiciary'],
+        ['rpc', '76591', 'http://rpc-f.akamaihd.net', None, 'rpc'],
+        ['rules', '76460', 'http://rules-f.akamaihd.net', '2036787', 'rules'],
+        ['saa', '76489', 'http://srs-f.akamaihd.net', '2036780', 'srs_saa'],
+        ['smbiz', '76461', 'http://smbiz-f.akamaihd.net', '2036786', 'smallbusiness'],
+        ['srs', '75229', 'http://srs-f.akamaihd.net', '2031966', 'srs_srs'],
+        ['uscc', '76487', 'http://srs-f.akamaihd.net', '2036781', 'srs_uscc'],
+        ['vetaff', '76462', 'http://vetaff-f.akamaihd.net', '2036785', 'veteransaffairs'],
+        ['arch', '', 'http://ussenate-f.akamaihd.net/', None, None],
+        ['uscp', None, '', '2043685', 'uscp'],
+        ['cio', None, '', '2043686', 'cio']
     ]
+
     _IE_NAME = 'senate.gov'
     _VALID_URL = r'https?://(?:www\.)?senate\.gov/isvp/?\?(?P<qs>.+)'
     _TESTS = [{
@@ -54,100 +58,120 @@ class SenateISVPIE(InfoExtractor):
         'info_dict': {
             'id': 'judiciary031715',
             'ext': 'mp4',
-            'title': 'Integrated Senate Video Player',
-            'thumbnail': r're:^https?://.*\.(?:jpg|png)$',
-        },
-        'params': {
-            # m3u8 download
-            'skip_download': True,
-        },
-    }, {
-        'url': 'http://www.senate.gov/isvp/?type=live&comm=commerce&filename=commerce011514.mp4&auto_play=false',
-        'info_dict': {
-            'id': 'commerce011514',
-            'ext': 'mp4',
-            'title': 'Integrated Senate Video Player'
-        },
-        'params': {
-            # m3u8 download
-            'skip_download': True,
+            'title': 'judiciary031715',
+            'thumbnail': 'http://www.judiciary.senate.gov/themes/judiciary/images/video-poster-flash-fit.png',
         },
+        'expected_warnings': ['Failed to download m3u8 information: HTTP Error 404: Not Found'],
     }, {
         'url': 'http://www.senate.gov/isvp/?type=arch&comm=intel&filename=intel090613&hc_location=ufi',
-        # checksum differs each time
         'info_dict': {
             'id': 'intel090613',
             'ext': 'mp4',
-            'title': 'Integrated Senate Video Player'
-        }
+            'title': 'intel090613',
+        },
+        'expected_warnings': ['Failed to download m3u8 information: HTTP Error 404: Not Found'],
     }, {
-        # From http://www.c-span.org/video/?96791-1
-        'url': 'http://www.senate.gov/isvp?type=live&comm=banking&filename=banking012715',
-        'only_matching': True,
+        'url': 'https://www.senate.gov/isvp/?comm=govtaff&type=archv&stt=975&filename=govtaff111722&auto_play=false&poster=https%3A%2F%2Fwww%2Ehsgac%2Esenate%2Egov%2Fimages%2Fvideo%2Dposter%2Dflash%2Dfit%2Epng',
+        'info_dict': {
+            'id': 'govtaff111722',
+            'ext': 'mp4',
+            'title': 'govtaff111722',
+            'thumbnail': 'https://www.hsgac.senate.gov/images/video-poster-flash-fit.png',
+        },
+    }, {
+        'url': 'https://www.senate.gov/isvp/?type=arch&comm=energy&filename=energy111722&stt=00:22:30&auto_play=false&wmode=transparent&poster=https%3A%2F%2Fwww%2Eenergy%2Esenate%2Egov%2Fthemes%2Fenergy%2Fimages%2Fvideo%2Dposter%2Dflash%2Dfit%2Epng',
+        'info_dict': {
+            'id': 'energy111722',
+            'ext': 'mp4',
+            'title': 'energy111722',
+            'thumbnail': 'https://www.energy.senate.gov/themes/energy/images/video-poster-flash-fit.png',
+        },
+    }, {
+        'url': 'https://www.senate.gov/isvp/?comm=foreign&type=archv&stt=0&filename=foreign080322&auto_play=false&wmode=transparent&poster=https%3A%2F%2Fwww%2Eforeign%2Esenate%2Egov%2Fthemes%2Fforeign%2Fimages%2Fvideo%2Dposter%2Dflash%2Dfit%2Epng',
+        'info_dict': {
+            'id': 'foreign080322',
+            'ext': 'mp4',
+            'title': 'foreign080322',
+            'thumbnail': 'https://www.foreign.senate.gov/themes/foreign/images/video-poster-flash-fit.png',
+        },
     }]
 
     @staticmethod
+    # returns url from an iframe
     def _search_iframe_url(webpage):
         mobj = re.search(
-            r"<iframe[^>]+src=['\"](?P<url>https?://www\.senate\.gov/isvp/?\?[^'\"]+)['\"]",
+            r'''<iframe\b[^>]+\bsrc\s*=\s*(['"])(?P<url>https?://www\.senate\.gov/isvp/?\?(?:(?!\1)\S)+)''',
             webpage)
         if mobj:
             return mobj.group('url')
 
+    @staticmethod
+    def __dictify(cm):
+        return dict((row[0], (row[1:] + ['', ''])[:4]) for row in cm)
+
+    # returns stream_number, stream_domain, stream_id, msl3
     def _get_info_for_comm(self, committee):
-        for entry in self._COMM_MAP:
-            if entry[0] == committee:
-                return entry[1:]
+        dict = self.__dictify(self._COMM_MAP)
+        return dict[committee][0:]
 
     def _real_extract(self, url):
+        # smuggled data may contain a forced title that should be used
         url, smuggled_data = unsmuggle_url(url, {})
-
         qs = compat_parse_qs(re.match(self._VALID_URL, url).group('qs'))
-        if not qs.get('filename') or not qs.get('type') or not qs.get('comm'):
-            raise ExtractorError('Invalid URL', expected=True)
 
-        video_id = re.sub(r'.mp4$', '', qs['filename'][0])
+        # error handling for invalid URL - specify which error
+        if not qs.get('filename'):
+            raise ExtractorError('Invalid URL. Missing filename in query parameters', expected=True)
+        if not qs.get('comm'):
+            raise ExtractorError('Invalid URL. Missing committee in query parameters', expected=True)
 
-        webpage = self._download_webpage(url, video_id)
+        committee = qs.get('comm')[0]
+        filename = qs.get('filename')[0]
+        video_id = re.sub(r'\.mp4$', '', filename)
 
-        if smuggled_data.get('force_title'):
-            title = smuggled_data['force_title']
-        else:
-            title = self._html_search_regex(r'<title>([^<]+)</title>', webpage, video_id)
-        poster = qs.get('poster')
-        thumbnail = poster[0] if poster else None
+        # there is no point in pulling the title from the webpage since it always defaults to 'Integrated Senate Player'
+        title = smuggled_data.get('force_title') or filename
 
-        video_type = qs['type'][0]
-        committee = video_type if video_type == 'arch' else qs['comm'][0]
-        stream_num, domain = self._get_info_for_comm(committee)
+        stream_number, stream_domain, stream_id, msl3 = self._get_info_for_comm(committee)
+        stream_number = int(stream_number)
+        stream_id = int(stream_id)
 
+        # the possible locations for the video: only the first has been seen in use
+        possible_manifest_urls = [
+            'https://www-senate-gov-media-srs.akamaized.net/hls/live/%d/%s/%s/master.m3u8' % (stream_id, committee, filename),
+            'https://www-senate-gov-msl3archive.akamaized.net/%s/%s_1/master.m3u8' % (msl3, filename),
+            '%s/i/%s_1@%d/master.m3u8' % (stream_domain, filename, stream_number),
+            'https://ussenate-f.akamaihd.net/i/%s.mp4/master.m3u8' % video_id,
+        ]
+
+        # we iterate through the possible locations until we find formats
         formats = []
-        if video_type == 'arch':
-            filename = video_id if '.' in video_id else video_id + '.mp4'
-            formats = [{
-                # All parameters in the query string are necessary to prevent a 403 error
-                'url': compat_urlparse.urljoin(domain, filename) + '?v=3.1.0&fp=&r=&g=',
-            }]
-        else:
-            hdcore_sign = 'hdcore=3.1.0'
-            url_params = (domain, video_id, stream_num)
-            f4m_url = '%s/z/%s_1@%s/manifest.f4m?' % url_params + hdcore_sign
-            m3u8_url = '%s/i/%s_1@%s/master.m3u8' % url_params
-            for entry in self._extract_f4m_formats(f4m_url, video_id, f4m_id='f4m'):
-                # URLs without the extra param induce an 404 error
-                entry.update({'extra_param_to_segment_url': hdcore_sign})
-                formats.append(entry)
-            for entry in self._extract_m3u8_formats(m3u8_url, video_id, ext='mp4', m3u8_id='m3u8'):
-                mobj = re.search(r'(?P<tag>(?:-p|-b)).m3u8', entry['url'])
+        for url in possible_manifest_urls:
+            entries = self._extract_m3u8_formats(
+                url, video_id, ext='mp4', m3u8_id='hls',
+                entry_protocol='m3u8_native', fatal=False)
+
+            for entry in entries:
+                mobj = re.search(r'(?P<tag>-[pb]).m3u8', entry['url'])
                 if mobj:
                     entry['format_id'] += mobj.group('tag')
                 formats.append(entry)
 
-            self._sort_formats(formats)
+            if formats:
+                break
+
+        self._sort_formats(formats)
+        thumbnail = url_or_none(qs.get('poster', [None])[-1])
+        start_time = parse_duration(qs.get('stt', [None])[-1])
+        stop_time = parse_duration(qs.get('dur', [None])[-1])
+        if stop_time is not None:
+            stop_time += start_time or 0
 
         return {
             'id': video_id,
             'title': title,
             'formats': formats,
             'thumbnail': thumbnail,
+            'start_time': start_time,
+            'stop_time': stop_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.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: