debian/control: Add recommends on aria2 | wget | curl to use external downloaders.

[youtubedl] / youtube_dl / extractor / common.py

diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py
index 93a5a3d57bf027cce5f6293c65f219c5d2cfe51d..df1a4417bb99fe6cf415b293ce068787d1568dc8 100644 (file)
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -13,6 +13,8 @@ import time
 import xml.etree.ElementTree
 
 from ..compat import (
 import xml.etree.ElementTree
 
 from ..compat import (

+    compat_cookiejar,
+    compat_HTTPError,

     compat_http_client,
     compat_urllib_error,
     compat_urllib_parse_urlparse,
     compat_http_client,
     compat_urllib_error,
     compat_urllib_parse_urlparse,


@@ -20,10 +22,12 @@ from ..compat import (
     compat_str,
 )
 from ..utils import (
     compat_str,
 )
 from ..utils import (

+    age_restricted,

     clean_html,
     compiled_regex_type,
     ExtractorError,
     float_or_none,
     clean_html,
     compiled_regex_type,
     ExtractorError,
     float_or_none,

+    HEADRequest,

     int_or_none,
     RegexNotFoundError,
     sanitize_filename,
     int_or_none,
     RegexNotFoundError,
     sanitize_filename,


@@ -39,7 +43,7 @@ class InfoExtractor(object):
     information about the video (or videos) the URL refers to. This
     information includes the real video URL, the video title, author and
     others. The information is stored in a dictionary which is then
     information about the video (or videos) the URL refers to. This
     information includes the real video URL, the video title, author and
     others. The information is stored in a dictionary which is then

-    passed to the FileDownloader. The FileDownloader processes this
+    passed to the YoutubeDL. The YoutubeDL processes this

     information possibly downloading the video to the file system, among
     other possible outcomes.
 
     information possibly downloading the video to the file system, among
     other possible outcomes.
 


@@ -85,12 +89,15 @@ class InfoExtractor(object):
                     * player_url SWF Player URL (used for rtmpdump).
                     * protocol   The protocol that will be used for the actual
                                  download, lower-case.
                     * player_url SWF Player URL (used for rtmpdump).
                     * protocol   The protocol that will be used for the actual
                                  download, lower-case.

-                                 "http", "https", "rtsp", "rtmp", "m3u8" or so.
+                                 "http", "https", "rtsp", "rtmp", "rtmpe",
+                                 "m3u8", or "m3u8_native".

                     * preference Order number of this format. If this field is
                                  present and not None, the formats get sorted
                                  by this field, regardless of all other values.
                                  -1 for default (order by other properties),
                                  -2 or smaller for less than default.
                     * preference Order number of this format. If this field is
                                  present and not None, the formats get sorted
                                  by this field, regardless of all other values.
                                  -1 for default (order by other properties),
                                  -2 or smaller for less than default.

+                                 < -1000 to hide the format (if there is
+                                    another one which is strictly better)

                     * language_preference  Is this in the correct requested
                                  language?
                                  10 if it's what the URL is about,
                     * language_preference  Is this in the correct requested
                                  language?
                                  10 if it's what the URL is about,


@@ -104,12 +111,17 @@ class InfoExtractor(object):
                                   (quality takes higher priority)
                                  -1 for default (order by other properties),
                                  -2 or smaller for less than default.
                                   (quality takes higher priority)
                                  -1 for default (order by other properties),
                                  -2 or smaller for less than default.

-                    * http_referer  HTTP Referer header value to set.

                     * http_method  HTTP method to use for the download.
                     * http_headers  A dictionary of additional HTTP headers
                                  to add to the request.
                     * http_post_data  Additional data to send with a POST
                                  request.
                     * http_method  HTTP method to use for the download.
                     * http_headers  A dictionary of additional HTTP headers
                                  to add to the request.
                     * http_post_data  Additional data to send with a POST
                                  request.

+                    * stretched_ratio  If given and not 1, indicates that the
+                                 video's pixels are not square.
+                                 width : height ratio as float.
+                    * no_resume  The server does not support resuming the
+                                 (HTTP or RTMP) download. Boolean.
+

     url:            Final video URL.
     ext:            Video filename extension.
     format:         The video format, defaults to ext (used for --get-format)
     url:            Final video URL.
     ext:            Video filename extension.
     format:         The video format, defaults to ext (used for --get-format)


@@ -117,19 +129,23 @@ class InfoExtractor(object):
 
     The following fields are optional:
 
 
     The following fields are optional:
 

+    alt_title:      A secondary title of the video.

     display_id      An alternative identifier for the video, not necessarily
                     unique, but available before title. Typically, id is
                     something like "4234987", title "Dancing naked mole rats",
                     and display_id "dancing-naked-mole-rats"
     thumbnails:     A list of dictionaries, with the following entries:
     display_id      An alternative identifier for the video, not necessarily
                     unique, but available before title. Typically, id is
                     something like "4234987", title "Dancing naked mole rats",
                     and display_id "dancing-naked-mole-rats"
     thumbnails:     A list of dictionaries, with the following entries:

+                        * "id" (optional, string) - Thumbnail format ID

                         * "url"
                         * "url"

+                        * "preference" (optional, int) - quality of the image

                         * "width" (optional, int)
                         * "height" (optional, int)
                         * "resolution" (optional, string "{width}x{height"},
                                         deprecated)
     thumbnail:      Full URL to a video thumbnail image.
                         * "width" (optional, int)
                         * "height" (optional, int)
                         * "resolution" (optional, string "{width}x{height"},
                                         deprecated)
     thumbnail:      Full URL to a video thumbnail image.

-    description:    One-line video description.
+    description:    Full video description.

     uploader:       Full name of the video uploader.
     uploader:       Full name of the video uploader.

+    creator:        The main artist who created the video.

     timestamp:      UNIX timestamp of the moment the video became available.
     upload_date:    Video upload date (YYYYMMDD).
                     If not explicitly set, calculated from timestamp.
     timestamp:      UNIX timestamp of the moment the video became available.
     upload_date:    Video upload date (YYYYMMDD).
                     If not explicitly set, calculated from timestamp.


@@ -142,6 +158,17 @@ class InfoExtractor(object):
     like_count:     Number of positive ratings of the video
     dislike_count:  Number of negative ratings of the video
     comment_count:  Number of comments on the video
     like_count:     Number of positive ratings of the video
     dislike_count:  Number of negative ratings of the video
     comment_count:  Number of comments on the video

+    comments:       A list of comments, each with one or more of the following
+                    properties (all but one of text or html optional):
+                        * "author" - human-readable name of the comment author
+                        * "author_id" - user ID of the comment author
+                        * "id" - Comment ID
+                        * "html" - Comment as HTML
+                        * "text" - Plain text of the comment
+                        * "timestamp" - UNIX timestamp of comment
+                        * "parent" - ID of the comment this one is replying to.
+                                     Set to "root" to indicate that this is a
+                                     comment to the original video.

     age_limit:      Age restriction for the video, as an integer (years)
     webpage_url:    The url to the video webpage, if given to youtube-dl it
                     should allow to get the same result again. (It will be set
     age_limit:      Age restriction for the video, as an integer (years)
     webpage_url:    The url to the video webpage, if given to youtube-dl it
                     should allow to get the same result again. (It will be set


@@ -157,8 +184,8 @@ class InfoExtractor(object):
 
 
     _type "playlist" indicates multiple videos.
 
 
     _type "playlist" indicates multiple videos.

-    There must be a key "entries", which is a list or a PagedList object, each
-    element of which is a valid dictionary under this specfication.
+    There must be a key "entries", which is a list, an iterable, or a PagedList
+    object, each element of which is a valid dictionary by this specification.

 
     Additionally, playlists can have "title" and "id" attributes with the same
     semantics as videos (see above).
 
     Additionally, playlists can have "title" and "id" attributes with the same
     semantics as videos (see above).


@@ -173,9 +200,10 @@ class InfoExtractor(object):
     _type "url" indicates that the video must be extracted from another
     location, possibly by a different extractor. Its only required key is:
     "url" - the next URL to extract.
     _type "url" indicates that the video must be extracted from another
     location, possibly by a different extractor. Its only required key is:
     "url" - the next URL to extract.

-
-    Additionally, it may have properties believed to be identical to the
-    resolved entity, for example "title" if the title of the referred video is
+    The key "ie_key" can be set to the class name (minus the trailing "IE",
+    e.g. "Youtube") if the extractor class is known in advance.
+    Additionally, the dictionary may have any properties of the resolved entity
+    known in advance, for example "title" if the title of the referred video is

     known ahead of time.
 
 
     known ahead of time.
 
 


@@ -296,9 +324,11 @@ class InfoExtractor(object):
         content = self._webpage_read_content(urlh, url_or_request, video_id, note, errnote, fatal)
         return (content, urlh)
 
         content = self._webpage_read_content(urlh, url_or_request, video_id, note, errnote, fatal)
         return (content, urlh)
 

-    def _webpage_read_content(self, urlh, url_or_request, video_id, note=None, errnote=None, fatal=True):
+    def _webpage_read_content(self, urlh, url_or_request, video_id, note=None, errnote=None, fatal=True, prefix=None):

         content_type = urlh.headers.get('Content-Type', '')
         webpage_bytes = urlh.read()
         content_type = urlh.headers.get('Content-Type', '')
         webpage_bytes = urlh.read()

+        if prefix is not None:
+            webpage_bytes = prefix + webpage_bytes

         m = re.match(r'[a-zA-Z0-9_.-]+/[a-zA-Z0-9_.-]+\s*;\s*charset=(.+)', content_type)
         if m:
             encoding = m.group(1)
         m = re.match(r'[a-zA-Z0-9_.-]+/[a-zA-Z0-9_.-]+\s*;\s*charset=(.+)', content_type)
         if m:
             encoding = m.group(1)


@@ -357,9 +387,19 @@ class InfoExtractor(object):
 
         return content
 
 
         return content
 

-    def _download_webpage(self, url_or_request, video_id, note=None, errnote=None, fatal=True):
+    def _download_webpage(self, url_or_request, video_id, note=None, errnote=None, fatal=True, tries=1, timeout=5):

         """ Returns the data of the page as a string """
         """ Returns the data of the page as a string """

-        res = self._download_webpage_handle(url_or_request, video_id, note, errnote, fatal)
+        success = False
+        try_count = 0
+        while success is False:
+            try:
+                res = self._download_webpage_handle(url_or_request, video_id, note, errnote, fatal)
+                success = True
+            except compat_http_client.IncompleteRead as e:
+                try_count += 1
+                if try_count >= tries:
+                    raise e
+                self._sleep(timeout, video_id)

         if res is False:
             return res
         else:
         if res is False:
             return res
         else:


@@ -387,6 +427,10 @@ class InfoExtractor(object):
             url_or_request, video_id, note, errnote, fatal=fatal)
         if (not fatal) and json_string is False:
             return None
             url_or_request, video_id, note, errnote, fatal=fatal)
         if (not fatal) and json_string is False:
             return None

+        return self._parse_json(
+            json_string, video_id, transform_source=transform_source, fatal=fatal)
+
+    def _parse_json(self, json_string, video_id, transform_source=None, fatal=True):

         if transform_source:
             json_string = transform_source(json_string)
         try:
         if transform_source:
             json_string = transform_source(json_string)
         try:


@@ -423,19 +467,20 @@ class InfoExtractor(object):
         """Report attempt to log in."""
         self.to_screen('Logging in')
 
         """Report attempt to log in."""
         self.to_screen('Logging in')
 

-    #Methods for following #608
+    # Methods for following #608

     @staticmethod
     def url_result(url, ie=None, video_id=None):
         """Returns a url that points to a page that should be processed"""
     @staticmethod
     def url_result(url, ie=None, video_id=None):
         """Returns a url that points to a page that should be processed"""

-        #TODO: ie should be the class used for getting the info
+        # TODO: ie should be the class used for getting the info

         video_info = {'_type': 'url',
                       'url': url,
                       'ie_key': ie}
         if video_id is not None:
             video_info['id'] = video_id
         return video_info
         video_info = {'_type': 'url',
                       'url': url,
                       'ie_key': ie}
         if video_id is not None:
             video_info['id'] = video_id
         return video_info

+

     @staticmethod
     @staticmethod

-    def playlist_result(entries, playlist_id=None, playlist_title=None):
+    def playlist_result(entries, playlist_id=None, playlist_title=None, playlist_description=None):

         """Returns a playlist"""
         video_info = {'_type': 'playlist',
                       'entries': entries}
         """Returns a playlist"""
         video_info = {'_type': 'playlist',
                       'entries': entries}


@@ -443,6 +488,8 @@ class InfoExtractor(object):
             video_info['id'] = playlist_id
         if playlist_title:
             video_info['title'] = playlist_title
             video_info['id'] = playlist_id
         if playlist_title:
             video_info['title'] = playlist_title

+        if playlist_description:
+            video_info['description'] = playlist_description

         return video_info
 
     def _search_regex(self, pattern, string, name, default=_NO_DEFAULT, fatal=True, flags=0, group=None):
         return video_info
 
     def _search_regex(self, pattern, string, name, default=_NO_DEFAULT, fatal=True, flags=0, group=None):


@@ -477,7 +524,7 @@ class InfoExtractor(object):
             raise RegexNotFoundError('Unable to extract %s' % _name)
         else:
             self._downloader.report_warning('unable to extract %s; '
             raise RegexNotFoundError('Unable to extract %s' % _name)
         else:
             self._downloader.report_warning('unable to extract %s; '

-                'please report this issue on http://yt-dl.org/bug' % _name)
+                                            'please report this issue on http://yt-dl.org/bug' % _name)

             return None
 
     def _html_search_regex(self, pattern, string, name, default=_NO_DEFAULT, fatal=True, flags=0, group=None):
             return None
 
     def _html_search_regex(self, pattern, string, name, default=_NO_DEFAULT, fatal=True, flags=0, group=None):


@@ -517,7 +564,7 @@ class InfoExtractor(object):
                     raise netrc.NetrcParseError('No authenticators for %s' % self._NETRC_MACHINE)
             except (IOError, netrc.NetrcParseError) as err:
                 self._downloader.report_warning('parsing .netrc: %s' % compat_str(err))
                     raise netrc.NetrcParseError('No authenticators for %s' % self._NETRC_MACHINE)
             except (IOError, netrc.NetrcParseError) as err:
                 self._downloader.report_warning('parsing .netrc: %s' % compat_str(err))

-        
+

         return (username, password)
 
     def _get_tfa_info(self):
         return (username, password)
 
     def _get_tfa_info(self):


@@ -577,9 +624,9 @@ class InfoExtractor(object):
         if display_name is None:
             display_name = name
         return self._html_search_regex(
         if display_name is None:
             display_name = name
         return self._html_search_regex(

-            r'''(?ix)<meta
+            r'''(?isx)<meta

                     (?=[^>]+(?:itemprop|name|property)=(["\']?)%s\1)
                     (?=[^>]+(?:itemprop|name|property)=(["\']?)%s\1)

-                    [^>]+content=(["\'])(?P<content>.*?)\1''' % re.escape(name),
+                    [^>]+?content=(["\'])(?P<content>.*?)\2''' % re.escape(name),

             html, display_name, fatal=fatal, group='content', **kwargs)
 
     def _dc_search_uploader(self, html):
             html, display_name, fatal=fatal, group='content', **kwargs)
 
     def _dc_search_uploader(self, html):


@@ -611,7 +658,7 @@ class InfoExtractor(object):
 
     def _twitter_search_player(self, html):
         return self._html_search_meta('twitter:player', html,
 
     def _twitter_search_player(self, html):
         return self._html_search_meta('twitter:player', html,

-            'twitter card player')
+                                      'twitter card player')

 
     def _sort_formats(self, formats):
         if not formats:
 
     def _sort_formats(self, formats):
         if not formats:


@@ -658,11 +705,11 @@ class InfoExtractor(object):
                 preference,
                 f.get('language_preference') if f.get('language_preference') is not None else -1,
                 f.get('quality') if f.get('quality') is not None else -1,
                 preference,
                 f.get('language_preference') if f.get('language_preference') is not None else -1,
                 f.get('quality') if f.get('quality') is not None else -1,

-                f.get('height') if f.get('height') is not None else -1,
-                f.get('width') if f.get('width') is not None else -1,
-                ext_preference,

                 f.get('tbr') if f.get('tbr') is not None else -1,
                 f.get('vbr') if f.get('vbr') is not None else -1,
                 f.get('tbr') if f.get('tbr') is not None else -1,
                 f.get('vbr') if f.get('vbr') is not None else -1,

+                ext_preference,
+                f.get('height') if f.get('height') is not None else -1,
+                f.get('width') if f.get('width') is not None else -1,

                 f.get('abr') if f.get('abr') is not None else -1,
                 audio_ext_preference,
                 f.get('fps') if f.get('fps') is not None else -1,
                 f.get('abr') if f.get('abr') is not None else -1,
                 audio_ext_preference,
                 f.get('fps') if f.get('fps') is not None else -1,


@@ -673,6 +720,27 @@ class InfoExtractor(object):
             )
         formats.sort(key=_formats_key)
 
             )
         formats.sort(key=_formats_key)
 

+    def _check_formats(self, formats, video_id):
+        if formats:
+            formats[:] = filter(
+                lambda f: self._is_valid_url(
+                    f['url'], video_id,
+                    item='%s video format' % f.get('format_id') if f.get('format_id') else 'video'),
+                formats)
+
+    def _is_valid_url(self, url, video_id, item='video'):
+        try:
+            self._request_webpage(
+                HEADRequest(url), video_id,
+                'Checking %s URL' % item)
+            return True
+        except ExtractorError as e:
+            if isinstance(e.cause, compat_HTTPError):
+                self.report_warning(
+                    '%s URL is invalid, skipping' % item, video_id)
+                return False
+            raise
+

     def http_scheme(self):
         """ Either "http:" or "https:", depending on the user's preferences """
         return (
     def http_scheme(self):
         """ Either "http:" or "https:", depending on the user's preferences """
         return (


@@ -697,33 +765,41 @@ class InfoExtractor(object):
         self.to_screen(msg)
         time.sleep(timeout)
 
         self.to_screen(msg)
         time.sleep(timeout)
 

-    def _extract_f4m_formats(self, manifest_url, video_id):
+    def _extract_f4m_formats(self, manifest_url, video_id, preference=None, f4m_id=None):

         manifest = self._download_xml(
             manifest_url, video_id, 'Downloading f4m manifest',
             'Unable to download f4m manifest')
 
         formats = []
         manifest = self._download_xml(
             manifest_url, video_id, 'Downloading f4m manifest',
             'Unable to download f4m manifest')
 
         formats = []

+        manifest_version = '1.0'

         media_nodes = manifest.findall('{http://ns.adobe.com/f4m/1.0}media')
         media_nodes = manifest.findall('{http://ns.adobe.com/f4m/1.0}media')

+        if not media_nodes:
+            manifest_version = '2.0'
+            media_nodes = manifest.findall('{http://ns.adobe.com/f4m/2.0}media')

         for i, media_el in enumerate(media_nodes):
         for i, media_el in enumerate(media_nodes):

+            if manifest_version == '2.0':
+                manifest_url = ('/'.join(manifest_url.split('/')[:-1]) + '/'
+                                + (media_el.attrib.get('href') or media_el.attrib.get('url')))

             tbr = int_or_none(media_el.attrib.get('bitrate'))
             tbr = int_or_none(media_el.attrib.get('bitrate'))

-            format_id = 'f4m-%d' % (i if tbr is None else tbr)

             formats.append({
             formats.append({

-                'format_id': format_id,
+                'format_id': '-'.join(filter(None, [f4m_id, 'f4m-%d' % (i if tbr is None else tbr)])),

                 'url': manifest_url,
                 'ext': 'flv',
                 'tbr': tbr,
                 'width': int_or_none(media_el.attrib.get('width')),
                 'height': int_or_none(media_el.attrib.get('height')),
                 'url': manifest_url,
                 'ext': 'flv',
                 'tbr': tbr,
                 'width': int_or_none(media_el.attrib.get('width')),
                 'height': int_or_none(media_el.attrib.get('height')),

+                'preference': preference,

             })
         self._sort_formats(formats)
 
         return formats
 
     def _extract_m3u8_formats(self, m3u8_url, video_id, ext=None,
             })
         self._sort_formats(formats)
 
         return formats
 
     def _extract_m3u8_formats(self, m3u8_url, video_id, ext=None,

-                              entry_protocol='m3u8', preference=None):
+                              entry_protocol='m3u8', preference=None,
+                              m3u8_id=None):

 
         formats = [{
 
         formats = [{

-            'format_id': 'm3u8-meta',
+            'format_id': '-'.join(filter(None, [m3u8_id, 'm3u8-meta'])),

             'url': m3u8_url,
             'ext': ext,
             'protocol': 'm3u8',
             'url': m3u8_url,
             'ext': ext,
             'protocol': 'm3u8',


@@ -759,9 +835,8 @@ class InfoExtractor(object):
                     formats.append({'url': format_url(line)})
                     continue
                 tbr = int_or_none(last_info.get('BANDWIDTH'), scale=1000)
                     formats.append({'url': format_url(line)})
                     continue
                 tbr = int_or_none(last_info.get('BANDWIDTH'), scale=1000)

-

                 f = {
                 f = {

-                    'format_id': 'm3u8-%d' % (tbr if tbr else len(formats)),
+                    'format_id': '-'.join(filter(None, [m3u8_id, 'm3u8-%d' % (tbr if tbr else len(formats))])),

                     'url': format_url(line.strip()),
                     'tbr': tbr,
                     'ext': ext,
                     'url': format_url(line.strip()),
                     'tbr': tbr,
                     'ext': ext,


@@ -786,6 +861,52 @@ class InfoExtractor(object):
         self._sort_formats(formats)
         return formats
 
         self._sort_formats(formats)
         return formats
 

+    # TODO: improve extraction
+    def _extract_smil_formats(self, smil_url, video_id, fatal=True):
+        smil = self._download_xml(
+            smil_url, video_id, 'Downloading SMIL file',
+            'Unable to download SMIL file', fatal=fatal)
+        if smil is False:
+            assert not fatal
+            return []
+
+        base = smil.find('./head/meta').get('base')
+
+        formats = []
+        rtmp_count = 0
+        for video in smil.findall('./body/switch/video'):
+            src = video.get('src')
+            if not src:
+                continue
+            bitrate = int_or_none(video.get('system-bitrate') or video.get('systemBitrate'), 1000)
+            width = int_or_none(video.get('width'))
+            height = int_or_none(video.get('height'))
+            proto = video.get('proto')
+            if not proto:
+                if base:
+                    if base.startswith('rtmp'):
+                        proto = 'rtmp'
+                    elif base.startswith('http'):
+                        proto = 'http'
+            ext = video.get('ext')
+            if proto == 'm3u8':
+                formats.extend(self._extract_m3u8_formats(src, video_id, ext))
+            elif proto == 'rtmp':
+                rtmp_count += 1
+                streamer = video.get('streamer') or base
+                formats.append({
+                    'url': streamer,
+                    'play_path': src,
+                    'ext': 'flv',
+                    'format_id': 'rtmp-%d' % (rtmp_count if bitrate is None else bitrate),
+                    'tbr': bitrate,
+                    'width': width,
+                    'height': height,
+                })
+        self._sort_formats(formats)
+
+        return formats
+

     def _live_title(self, name):
         """ Generate the title for a live video """
         now = datetime.datetime.now()
     def _live_title(self, name):
         """ Generate the title for a live video """
         now = datetime.datetime.now()


@@ -814,6 +935,41 @@ class InfoExtractor(object):
                 self._downloader.report_warning(msg)
         return res
 
                 self._downloader.report_warning(msg)
         return res
 

+    def _set_cookie(self, domain, name, value, expire_time=None):
+        cookie = compat_cookiejar.Cookie(
+            0, name, value, None, None, domain, None,
+            None, '/', True, False, expire_time, '', None, None, None)
+        self._downloader.cookiejar.set_cookie(cookie)
+
+    def get_testcases(self, include_onlymatching=False):
+        t = getattr(self, '_TEST', None)
+        if t:
+            assert not hasattr(self, '_TESTS'), \
+                '%s has _TEST and _TESTS' % type(self).__name__
+            tests = [t]
+        else:
+            tests = getattr(self, '_TESTS', [])
+        for t in tests:
+            if not include_onlymatching and t.get('only_matching', False):
+                continue
+            t['name'] = type(self).__name__[:-len('IE')]
+            yield t
+
+    def is_suitable(self, age_limit):
+        """ Test whether the extractor is generally suitable for the given
+        age limit (i.e. pornographic sites are not, all others usually are) """
+
+        any_restricted = False
+        for tc in self.get_testcases(include_onlymatching=False):
+            if 'playlist' in tc:
+                tc = tc['playlist'][0]
+            is_restricted = age_restricted(
+                tc.get('info_dict', {}).get('age_limit'), age_limit)
+            if not is_restricted:
+                return True
+            any_restricted = any_restricted or is_restricted
+        return not any_restricted
+

 
 class SearchInfoExtractor(InfoExtractor):
     """
 
 class SearchInfoExtractor(InfoExtractor):
     """