Plugin cleanup and tweaks

plugins/youtube_download/yt_dlp/extractor/svt.py

@@ -1,6 +1,3 @@
-# coding: utf-8
-from __future__ import unicode_literals
-
 import re
 
 from .common import InfoExtractor
@@ -23,23 +20,27 @@ class SVTBaseIE(InfoExtractor):
         is_live = dict_get(video_info, ('live', 'simulcast'), default=False)
         m3u8_protocol = 'm3u8' if is_live else 'm3u8_native'
         formats = []
+        subtitles = {}
         for vr in video_info['videoReferences']:
             player_type = vr.get('playerType') or vr.get('format')
             vurl = vr['url']
             ext = determine_ext(vurl)
             if ext == 'm3u8':
-                formats.extend(self._extract_m3u8_formats(
+                fmts, subs = self._extract_m3u8_formats_and_subtitles(
                     vurl, video_id,
                     ext='mp4', entry_protocol=m3u8_protocol,
-                    m3u8_id=player_type, fatal=False))
+                    m3u8_id=player_type, fatal=False)
+                formats.extend(fmts)
+                self._merge_subtitles(subs, target=subtitles)
             elif ext == 'f4m':
                 formats.extend(self._extract_f4m_formats(
                     vurl + '?hdcore=3.3.0', video_id,
                     f4m_id=player_type, fatal=False))
             elif ext == 'mpd':
-                if player_type == 'dashhbbtv':
-                    formats.extend(self._extract_mpd_formats(
-                        vurl, video_id, mpd_id=player_type, fatal=False))
+                fmts, subs = self._extract_mpd_formats_and_subtitles(
+                    vurl, video_id, mpd_id=player_type, fatal=False)
+                formats.extend(fmts)
+                self._merge_subtitles(subs, target=subtitles)
             else:
                 formats.append({
                     'format_id': player_type,
@@ -50,20 +51,20 @@ class SVTBaseIE(InfoExtractor):
             self.raise_geo_restricted(
                 'This video is only available in Sweden',
                 countries=self._GEO_COUNTRIES, metadata_available=True)
-        self._sort_formats(formats)
 
-        subtitles = {}
         subtitle_references = dict_get(video_info, ('subtitles', 'subtitleReferences'))
         if isinstance(subtitle_references, list):
             for sr in subtitle_references:
                 subtitle_url = sr.get('url')
                 subtitle_lang = sr.get('language', 'sv')
                 if subtitle_url:
+                    sub = {
+                        'url': subtitle_url,
+                    }
                     if determine_ext(subtitle_url) == 'm3u8':
-                        # TODO(yan12125): handle WebVTT in m3u8 manifests
-                        continue
-
-                    subtitles.setdefault(subtitle_lang, []).append({'url': subtitle_url})
+                        # XXX: no way of testing, is it ever hit?
+                        sub['ext'] = 'vtt'
+                    subtitles.setdefault(subtitle_lang, []).append(sub)
 
         title = video_info.get('title')
 
@@ -99,6 +100,7 @@ class SVTBaseIE(InfoExtractor):
 
 class SVTIE(SVTBaseIE):
     _VALID_URL = r'https?://(?:www\.)?svt\.se/wd\?(?:.*?&)?widgetId=(?P<widget_id>\d+)&.*?\barticleId=(?P<id>\d+)'
+    _EMBED_REGEX = [r'(?:<iframe src|href)="(?P<url>%s[^"]*)"' % _VALID_URL]
     _TEST = {
         'url': 'http://www.svt.se/wd?widgetId=23991&sectionId=541&articleId=2900353&type=embed&contextSectionId=123&autostart=false',
         'md5': '33e9a5d8f646523ce0868ecfb0eed77d',
@@ -111,13 +113,6 @@ class SVTIE(SVTBaseIE):
         },
     }
 
-    @staticmethod
-    def _extract_url(webpage):
-        mobj = re.search(
-            r'(?:<iframe src|href)="(?P<url>%s[^"]*)"' % SVTIE._VALID_URL, webpage)
-        if mobj:
-            return mobj.group('url')
-
     def _real_extract(self, url):
         mobj = self._match_valid_url(url)
         widget_id = mobj.group('widget_id')