[dctptv] Restore extraction based on REST API (closes #16850)

youtube_dl/extractor/dctp.py

@@ -5,13 +5,15 @@ from .common import InfoExtractor
 from ..compat import compat_str
 from ..utils import (
     float_or_none,
-    unified_strdate,
+    int_or_none,
+    unified_timestamp,
 )
 
 
 class DctpTvIE(InfoExtractor):
     _VALID_URL = r'https?://(?:www\.)?dctp\.tv/(?:#/)?filme/(?P<id>[^/?#&]+)'
-    _TEST = {
+    _TESTS = [{
+        # 4x3
         'url': 'http://www.dctp.tv/filme/videoinstallation-fuer-eine-kaufhausfassade/',
         'info_dict': {
             'id': '95eaa4f33dad413aa17b4ee613cccc6c',
@@ -19,31 +21,49 @@ class DctpTvIE(InfoExtractor):
             'ext': 'flv',
             'title': 'Videoinstallation für eine Kaufhausfassade',
             'description': 'Kurzfilm',
-            'upload_date': '20110407',
             'thumbnail': r're:^https?://.*\.jpg$',
             'duration': 71.24,
+            'timestamp': 1302172322,
+            'upload_date': '20110407',
         },
         'params': {
             # rtmp download
             'skip_download': True,
         },
-    }
+    }, {
+        # 16x9
+        'url': 'http://www.dctp.tv/filme/sind-youtuber-die-besseren-lehrer/',
+        'only_matching': True,
+    }]
+
+    _BASE_URL = 'http://dctp-ivms2-restapi.s3.amazonaws.com'
 
     def _real_extract(self, url):
         display_id = self._match_id(url)
 
-        webpage = self._download_webpage(url, display_id)
+        version = self._download_json(
+            '%s/version.json' % self._BASE_URL, display_id,
+            'Downloading version JSON')
+
+        restapi_base = '%s/%s/restapi' % (
+            self._BASE_URL, version['version_name'])
 
-        video_id = self._html_search_meta(
-            'DC.identifier', webpage, 'video id',
-            default=None) or self._search_regex(
-            r'id=["\']uuid[^>]+>([^<]+)<', webpage, 'video id')
+        info = self._download_json(
+            '%s/slugs/%s.json' % (restapi_base, display_id), display_id,
+            'Downloading video info JSON')
 
-        title = self._og_search_title(webpage)
+        media = self._download_json(
+            '%s/media/%s.json' % (restapi_base, compat_str(info['object_id'])),
+            display_id, 'Downloading media JSON')
+
+        uuid = media['uuid']
+        title = media['title']
+        ratio = '16x9' if media.get('is_wide') else '4x3'
+        play_path = 'mp4:%s_dctp_0500_%s.m4v' % (uuid, ratio)
 
         servers = self._download_json(
             'http://www.dctp.tv/streaming_servers/', display_id,
-            note='Downloading server list', fatal=False)
+            note='Downloading server list JSON', fatal=False)
 
         if servers:
             endpoint = next(
@@ -60,27 +80,35 @@ class DctpTvIE(InfoExtractor):
         formats = [{
             'url': endpoint,
             'app': app,
-            'play_path': 'mp4:%s_dctp_0500_4x3.m4v' % video_id,
+            'play_path': play_path,
             'page_url': url,
-            'player_url': 'http://svm-prod-dctptv-static.s3.amazonaws.com/dctptv-relaunch2012-109.swf',
+            'player_url': 'http://svm-prod-dctptv-static.s3.amazonaws.com/dctptv-relaunch2012-110.swf',
             'ext': 'flv',
         }]
 
-        description = self._html_search_meta('DC.description', webpage)
-        upload_date = unified_strdate(
-            self._html_search_meta('DC.date.created', webpage))
-        thumbnail = self._og_search_thumbnail(webpage)
-        duration = float_or_none(self._search_regex(
-            r'id=["\']duration_in_ms[^+]>(\d+)', webpage, 'duration',
-            default=None), scale=1000)
+        thumbnails = []
+        images = media.get('images')
+        if isinstance(images, list):
+            for image in images:
+                if not isinstance(image, dict):
+                    continue
+                image_url = image.get('url')
+                if not image_url or not isinstance(image_url, compat_str):
+                    continue
+                thumbnails.append({
+                    'url': image_url,
+                    'width': int_or_none(image.get('width')),
+                    'height': int_or_none(image.get('height')),
+                })
 
         return {
-            'id': video_id,
+            'id': uuid,
+            'display_id': display_id,
             'title': title,
+            'alt_title': media.get('subtitle'),
+            'description': media.get('description') or media.get('teaser'),
+            'timestamp': unified_timestamp(media.get('created')),
+            'duration': float_or_none(media.get('duration_in_ms'), scale=1000),
+            'thumbnails': thumbnails,
             'formats': formats,
-            'display_id': display_id,
-            'description': description,
-            'upload_date': upload_date,
-            'thumbnail': thumbnail,
-            'duration': duration,
         }