[dnb] Add new extractor

youtube_dl/extractor/dnb.py

@@ -0,0 +1,75 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+from .common import InfoExtractor
+import re
+import json
+
+
+class DNBIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:portal\.dnb\.de/audioplayer/do/show/|d-nb\.info/)(?P<id>[0-9]+)'
+    _TESTS = [{
+        'url': 'https://portal.dnb.de/audioplayer/do/show/1077188552#dcId=1546432571580&p=1',
+        'md5': 'cdef1faf339db9978b27c70ef4c0516b',
+        'info_dict': {
+            'title': 'Leonoren-Ouvertüre III [Elektronische Ressource] : Allegro / Ludwig van Beethoven (1770-1827)',
+            'id': '1077188552',
+            'ext': 'mp3',
+            'track': 'Track 1',
+            'track_number': 1
+        }
+    }, {
+        'url': 'http://d-nb.info/1077188552',
+        'md5': 'cdef1faf339db9978b27c70ef4c0516b',
+        'info_dict': {
+            'title': 'Leonoren-Ouvertüre III [Elektronische Ressource] : Allegro / Ludwig van Beethoven (1770-1827)',
+            'id': '1077188552',
+            'ext': 'mp3',
+            'track': 'Track 1',
+            'track_number': 1
+        }
+    }]
+
+    @staticmethod
+    def update_and_return_dic(info_dict, update_info):
+        ret = info_dict.copy()
+        ret.update(update_info)
+        return ret
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        url = 'https://portal.dnb.de/audioplayer/do/show/' + video_id
+        webpage = self._download_webpage(url, video_id)
+
+        m = re.search(r'fdnbpl.media\s*=\s*(\[.*\]);', webpage)
+        objs = json.loads(m.group(1))
+
+        result = []
+        num = 1
+        for obj in objs:
+            thumbnail = obj.get('cover_url')
+            if thumbnail:
+                thumbnail = 'https://portal.dnb.de/' + thumbnail
+
+            info_dict = {
+                'id': obj.get('idn'),
+                'title': obj.get('title'),
+                'author': obj.get('author'),
+                'url': 'https://portal.dnb.de/' + obj.get('media_url'),
+                'ext': 'mp3',
+                'thumbnail': thumbnail
+            }
+
+            tracks = [type(self).update_and_return_dic(info_dict,
+                                                       {
+                                                           'track': ti[1].get('title'),
+                                                           'track_number': ti[0]
+                                                       })
+                      for ti in enumerate(obj.get('tracks'), start=num)]
+            result.extend(tracks)
+            num += len(tracks)
+
+        return {
+            '_type': 'playlist',
+            'entries': result
+        }

youtube_dl/extractor/extractors.py

@@ -274,6 +274,7 @@ from .democracynow import DemocracynowIE
 from .dfb import DFBIE
 from .dhm import DHMIE
 from .digg import DiggIE
+from .dnb import DNBIE
 from .dotsub import DotsubIE
 from .douyutv import (
     DouyuShowIE,