[viki] detect errors and fix formats extraction

youtube_dl/extractor/viki.py

@@ -30,6 +30,12 @@ class VikiBaseIE(InfoExtractor):
 
     _token = None
 
+    _ERRORS = {
+        'geo': 'Sorry, this content is not available in your region.',
+        'upcoming': 'Sorry, this content is not yet available.',
+        # 'paywall': 'paywall',
+    }
+
     def _prepare_call(self, path, timestamp=None, post_data=None):
         path += '?' if '?' not in path else '&'
         if not timestamp:
@@ -67,6 +73,12 @@ class VikiBaseIE(InfoExtractor):
             '%s returned error: %s' % (self.IE_NAME, error),
             expected=True)
 
+    def _check_errors(self, data):
+        for reason, status in data.get('blocking', {}).items():
+            if status and reason in self._ERRORS:
+                raise ExtractorError('%s said: %s' % (
+                    self.IE_NAME, self._ERRORS[reason]), expected=True)
+
     def _real_initialize(self):
         self._login()
 
@@ -193,6 +205,7 @@ class VikiIE(VikiBaseIE):
             'timestamp': 1321985454,
             'description': 'md5:44b1e46619df3a072294645c770cef36',
             'title': 'Love In Magic',
+            'age_limit': 13,
         },
     }]
 
@@ -202,6 +215,8 @@ class VikiIE(VikiBaseIE):
         video = self._call_api(
             'videos/%s.json' % video_id, video_id, 'Downloading video JSON')
 
+        self._check_errors(video)
+
         title = self.dict_selection(video.get('titles', {}), 'en')
         if not title:
             title = 'Episode %d' % video.get('number') if video.get('type') == 'episode' else video.get('id') or video_id
@@ -262,8 +277,11 @@ class VikiIE(VikiBaseIE):
                 r'^(\d+)[pP]$', format_id, 'height', default=None))
             for protocol, format_dict in stream_dict.items():
                 if format_id == 'm3u8':
-                    formats = self._extract_m3u8_formats(
-                        format_dict['url'], video_id, 'mp4', m3u8_id='m3u8-%s' % protocol)
+                    m3u8_formats = self._extract_m3u8_formats(
+                        format_dict['url'], video_id, 'mp4', 'm3u8_native',
+                        m3u8_id='m3u8-%s' % protocol, fatal=None)
+                    if m3u8_formats:
+                        formats.extend(m3u8_formats)
                 else:
                     formats.append({
                         'url': format_dict['url'],
@@ -315,6 +333,8 @@ class VikiChannelIE(VikiBaseIE):
             'containers/%s.json' % channel_id, channel_id,
             'Downloading channel JSON')
 
+        self._check_errors(channel)
+
         title = self.dict_selection(channel['titles'], 'en')
 
         description = self.dict_selection(channel['descriptions'], 'en')