[litv] Fix extraction (#11006)

ChangeLog

@@ -3,6 +3,9 @@ version <unreleased>
 Core
 * Running youtube-dl in the background is fixed (#10996, #10706, #955)
 
+Extractors
+* [litv] Fix extraction
+
 
 version 2016.10.21.1
 

youtube_dl/extractor/litv.py

@@ -2,7 +2,6 @@
 from __future__ import unicode_literals
 
 import json
-import re
 
 from .common import InfoExtractor
 from ..utils import (
@@ -52,8 +51,8 @@ class LiTVIE(InfoExtractor):
         'skip': 'Georestricted to Taiwan',
     }]
 
-    def _extract_playlist(self, season_list, video_id, vod_data, view_data, prompt=True):
-        episode_title = view_data['title']
+    def _extract_playlist(self, season_list, video_id, program_info, prompt=True):
+        episode_title = program_info['title']
         content_id = season_list['contentId']
 
         if prompt:
@@ -61,7 +60,7 @@ def _extract_playlist(self, season_list, video_id, vod_data, view_data, prompt=T
 
         all_episodes = [
             self.url_result(smuggle_url(
-                self._URL_TEMPLATE % (view_data['contentType'], episode['contentId']),
+                self._URL_TEMPLATE % (program_info['contentType'], episode['contentId']),
                 {'force_noplaylist': True}))  # To prevent infinite recursion
             for episode in season_list['episode']]
 
@@ -80,19 +79,15 @@ def _real_extract(self, url):
 
         webpage = self._download_webpage(url, video_id)
 
-        view_data = dict(map(lambda t: (t[0], t[2]), re.findall(
-            r'viewData\.([a-zA-Z]+)\s*=\s*(["\'])([^"\']+)\2',
-            webpage)))
-
-        vod_data = self._parse_json(self._search_regex(
-            'var\s+vod\s*=\s*([^;]+)', webpage, 'VOD data', default='{}'),
+        program_info = self._parse_json(self._search_regex(
+            'var\s+programInfo\s*=\s*([^;]+)', webpage, 'VOD data', default='{}'),
             video_id)
 
-        season_list = list(vod_data.get('seasonList', {}).values())
+        season_list = list(program_info.get('seasonList', {}).values())
         if season_list:
             if not noplaylist:
                 return self._extract_playlist(
-                    season_list[0], video_id, vod_data, view_data,
+                    season_list[0], video_id, program_info,
                     prompt=noplaylist_prompt)
 
             if noplaylist_prompt:
@@ -102,8 +97,8 @@ def _real_extract(self, url):
         # endpoint gives the same result as the data embedded in the webpage.
         # If georestricted, there are no embedded data, so an extra request is
         # necessary to get the error code
-        if 'assetId' not in view_data:
-            view_data = self._download_json(
+        if 'assetId' not in program_info:
+            program_info = self._download_json(
                 'https://www.litv.tv/vod/ajax/getProgramInfo', video_id,
                 query={'contentId': video_id},
                 headers={'Accept': 'application/json'})
@@ -112,9 +107,9 @@ def _real_extract(self, url):
             webpage, 'video data', default='{}'), video_id)
         if not video_data:
             payload = {
-                'assetId': view_data['assetId'],
-                'watchDevices': view_data['watchDevices'],
-                'contentType': view_data['contentType'],
+                'assetId': program_info['assetId'],
+                'watchDevices': program_info['watchDevices'],
+                'contentType': program_info['contentType'],
             }
             video_data = self._download_json(
                 'https://www.litv.tv/vod/getMainUrl', video_id,
@@ -136,11 +131,11 @@ def _real_extract(self, url):
             # LiTV HLS segments doesn't like compressions
             a_format.setdefault('http_headers', {})['Youtubedl-no-compression'] = True
 
-        title = view_data['title'] + view_data.get('secondaryMark', '')
-        description = view_data.get('description')
-        thumbnail = view_data.get('imageFile')
-        categories = [item['name'] for item in vod_data.get('category', [])]
-        episode = int_or_none(view_data.get('episode'))
+        title = program_info['title'] + program_info.get('secondaryMark', '')
+        description = program_info.get('description')
+        thumbnail = program_info.get('imageFile')
+        categories = [item['name'] for item in program_info.get('category', [])]
+        episode = int_or_none(program_info.get('episode'))
 
         return {
             'id': video_id,