[pbs] Add support for series/jwplayer type video (Fixes #3849)

youtube_dl/extractor/pbs.py

@@ -4,6 +4,7 @@ import re
 
 from .common import InfoExtractor
 from ..utils import (
+    unified_strdate,
     US_RATINGS,
 )
 
@@ -13,8 +14,8 @@ class PBSIE(InfoExtractor):
         (?:
            # Direct video URL
            video\.pbs\.org/(?:viralplayer|video)/(?P<id>[0-9]+)/? |
-            # Article with embedded player
-           (?:www\.)?pbs\.org/(?:[^/]+/){2,5}(?P<presumptive_id>[^/]+)/?(?:$|[?\#]) |
+           # Article with embedded player (or direct video)
+           (?:www\.)?pbs\.org/(?:[^/]+/){2,5}(?P<presumptive_id>[^/]+?)(?:\.html)?/?(?:$|[?\#]) |
            # Player
            video\.pbs\.org/(?:widget/)?partnerplayer/(?P<player_id>[^/]+)/
         )
@@ -65,10 +66,25 @@ class PBSIE(InfoExtractor):
                 'duration': 6559,
                 'thumbnail': 're:^https?://.*\.jpg$',
             }
+        },
+        {
+            'url': 'http://www.pbs.org/wgbh/nova/earth/killer-typhoon.html',
+            'md5': '908f3e5473a693b266b84e25e1cf9703',
+            'info_dict': {
+                'id': '2365160389',
+                'display_id': 'killer-typhoon',
+                'ext': 'mp4',
+                'description': 'md5:c741d14e979fc53228c575894094f157',
+                'title': 'Killer Typhoon',
+                'duration': 3172,
+                'thumbnail': 're:^https?://.*\.jpg$',
+                'upload_date': '20140122',
             }
+        }
+
     ]
 
-    def _extract_ids(self, url):
+    def _extract_webpage(self, url):
         mobj = re.match(self._VALID_URL, url)
 
         presumptive_id = mobj.group('presumptive_id')
@@ -76,15 +92,20 @@ class PBSIE(InfoExtractor):
         if presumptive_id:
             webpage = self._download_webpage(url, display_id)
 
+            upload_date = unified_strdate(self._search_regex(
+                r'<input type="hidden" id="air_date_[0-9]+" value="([^"]+)"',
+                webpage, 'upload date', default=None))
+
             MEDIA_ID_REGEXES = [
                 r"div\s*:\s*'videoembed'\s*,\s*mediaid\s*:\s*'(\d+)'",  # frontline video embed
                 r'class="coveplayerid">([^<]+)<',                       # coveplayer
+                r'<input type="hidden" id="pbs_video_id_[0-9]+" value="([0-9]+)"/>',  # jwplayer
             ]
 
             media_id = self._search_regex(
                 MEDIA_ID_REGEXES, webpage, 'media ID', fatal=False, default=None)
             if media_id:
-                return media_id, presumptive_id
+                return media_id, presumptive_id, upload_date
 
             url = self._search_regex(
                 r'<iframe\s+(?:class|id)=["\']partnerPlayer["\'].*?\s+src=["\'](.*?)["\']>',
@@ -104,10 +125,10 @@ class PBSIE(InfoExtractor):
             video_id = mobj.group('id')
             display_id = video_id
 
-        return video_id, display_id
+        return video_id, display_id, None
 
     def _real_extract(self, url):
-        video_id, display_id = self._extract_ids(url)
+        video_id, display_id, upload_date = self._extract_webpage(url)
 
         info_url = 'http://video.pbs.org/videoInfo/%s?format=json' % video_id
         info = self._download_json(info_url, display_id)
@@ -119,6 +140,7 @@ class PBSIE(InfoExtractor):
 
         return {
             'id': video_id,
+            'display_id': display_id,
             'title': info['title'],
             'url': info['alternate_encoding']['url'],
             'ext': 'mp4',
@@ -126,4 +148,5 @@ class PBSIE(InfoExtractor):
             'thumbnail': info.get('image_url'),
             'duration': info.get('duration'),
             'age_limit': age_limit,
+            'upload_date': upload_date,
         }