[redbulltv] Use rrn ID for all video downloads

All tests from 8682f76 work.

youtube_dl/extractor/redbulltv.py

@@ -2,11 +2,9 @@
 from __future__ import unicode_literals
 
 from .common import InfoExtractor
-from ..compat import compat_HTTPError
-from ..utils import (
-    float_or_none,
-    ExtractorError,
-)
+from ..utils import RegexNotFoundError
+import json
+import time
 
 
 class RedBullTVIE(InfoExtractor):
@@ -47,8 +45,52 @@ class RedBullTVIE(InfoExtractor):
     }]
 
     def _real_extract(self, url):
+        # video_id is "AP-..." ID
         video_id = self._match_id(url)
 
+        # Try downloading the webpage multiple times in order to get a repsonse
+        # cache which will contain the result of a query to 
+        # 'https://www.redbull.com/v3/api/composition/v3/query/en-INT?rb3Schema=v1:pageConfig&filter[uriSlug]=%s' % video_id
+        # We use the response cache to get the rrn ID and other metadata. We do
+        # this instead of simply querying the API in order to preserve the
+        # provided URL's locale. (Annoyingly, the locale in the input URL 
+        # ('en-us', for example) is of a different format than the locale
+        # required for the API request.)
+        tries = 3
+        for i in range(tries):
+            try:
+                if i == 0:
+                    webpage = self._download_webpage(url, video_id)
+                else:
+                    webpage = self._download_webpage(url, video_id, note='Redownloading webpage')
+                # extract response cache
+                response_cache = json.loads(self._html_search_regex(r'<script type="application/json" id="response-cache">(.+?)</script>', webpage, 'response-cache'))
+                break
+            except RegexNotFoundError:
+                if i < tries - 1:
+                    self.to_screen('Waiting before redownloading webpage')
+                    time.sleep(2)
+                else:
+                    raise
+
+        # select the key that includes the string 'pageConfig'
+        metadata = json.loads(
+                response_cache[
+                    [key for key in response_cache.keys() if 'pageConfig' in key][0]
+                ]['response']
+            )['data']
+
+        # extract rrn ID
+        rrn_id_ext = metadata['analytics']['asset']['trackingDimensions']['masterID']
+        # trim locale from the end of rrn_id_ext
+        rrn_id = ':'.join(rrn_id_ext.split(':')[:-1])
+
+        # extract metadata
+        title = metadata['analytics']['asset']['title']
+        short_description = metadata['pageMeta']['og:title']
+        long_description = metadata['pageMeta']['og:description']
+
+        # get access token for download
         session = self._download_json(
             'https://api.redbull.tv/v3/session', video_id,
             note='Downloading access token', query={
@@ -60,55 +102,16 @@ class RedBullTVIE(InfoExtractor):
                 self.IE_NAME, session['message']))
         token = session['token']
 
-        try:
-            video = self._download_json(
-                'https://api.redbull.tv/v3/products/' + video_id,
-                video_id, note='Downloading video information',
-                headers={'Authorization': token}
-            )
-        except ExtractorError as e:
-            if isinstance(e.cause, compat_HTTPError) and e.cause.code == 404:
-                error_message = self._parse_json(
-                    e.cause.read().decode(), video_id)['error']
-                raise ExtractorError('%s said: %s' % (
-                    self.IE_NAME, error_message), expected=True)
-            raise
-
-        title = video['title'].strip()
-
-        # use an 'rrn:...' ID instead of an 'AP-...' ID if necessary
-        content_path = video.get('status', {}).get('play')
-        if content_path:
-            # trim '/content/' from '/content/rrn:...'
-            video_id = content_path[9:]
-
         formats = self._extract_m3u8_formats(
-            'https://dms.redbull.tv/v3/%s/%s/playlist.m3u8' % (video_id, token),
+            'https://dms.redbull.tv/v3/%s/%s/playlist.m3u8' % (rrn_id, token),
             video_id, 'mp4', entry_protocol='m3u8_native', m3u8_id='hls')
         self._sort_formats(formats)
 
-        subtitles = {}
-        for resource in video.get('resources', []):
-            if resource.startswith('closed_caption_'):
-                splitted_resource = resource.split('_')
-                if splitted_resource[2]:
-                    subtitles.setdefault('en', []).append({
-                        'url': 'https://resources.redbull.tv/%s/%s' % (video_id, resource),
-                        'ext': splitted_resource[2],
-                    })
-
-        subheading = video.get('subheading')
-        if subheading:
-            title += ' - %s' % subheading
-
         return {
             'id': video_id,
             'title': title,
-            'description': video.get('long_description') or video.get(
-                'short_description'),
-            'duration': float_or_none(video.get('duration'), scale=1000),
+            'description': long_description or short_description,
             'formats': formats,
-            'subtitles': subtitles,
         }