[npo] Add support for streams (Closes #4276)

youtube_dl/extractor/npo.py

@@ -9,6 +9,7 @@
     qualities,
     strip_jsonp,
     url_basename,
+    fix_xml_ampersands,
 )
 
 
@@ -51,7 +52,21 @@ class NPOIE(InfoExtractor):
                 'upload_date': '20130225',
                 'duration': 3000,
             },
+        },
+        {
+            'url': 'http://www.npo.nl/de-nieuwe-mens-deel-1/21-07-2010/WO_VPRO_043706',
+            'info_dict': {
+                'id': 'WO_VPRO_043706',
+                'ext': 'wmv',
+                'title': 'De nieuwe mens - Deel 1',
+                'description': 'md5:518ae51ba1293ffb80d8d8ce90b74e4b',
+                'duration': 4680,
+            },
+            'params': {
+                # mplayer mms download
+                'skip_download': True,
             }
+        },
     ]
 
     def _real_extract(self, url):
@@ -74,10 +89,14 @@ def _get_info(self, video_id):
         token = self._search_regex(r'npoplayer\.token = "(.+?)"', token_page, 'token')
 
         formats = []
+
+        pubopties = metadata.get('pubopties')
+        if pubopties:
             quality = qualities(['adaptive', 'wmv_sb', 'h264_sb', 'wmv_bb', 'h264_bb', 'wvc1_std', 'h264_std'])
-        for format_id in metadata['pubopties']:
+            for format_id in pubopties:
                 format_info = self._download_json(
-                'http://ida.omroep.nl/odi/?prid=%s&puboptions=%s&adaptive=yes&token=%s' % (video_id, format_id, token),
+                    'http://ida.omroep.nl/odi/?prid=%s&puboptions=%s&adaptive=yes&token=%s'
+                    % (video_id, format_id, token),
                     video_id, 'Downloading %s JSON' % format_id)
                 if format_info.get('error_code', 0) or format_info.get('errorcode', 0):
                     continue
@@ -99,6 +118,29 @@ def _get_info(self, video_id):
                         'format_id': format_id,
                         'quality': quality(format_id),
                     })
+
+        streams = metadata.get('streams')
+        if streams:
+            for i, stream in enumerate(streams):
+                stream_url = stream.get('url')
+                if not stream_url:
+                    continue
+                asx = self._download_xml(
+                    stream_url, video_id,
+                    'Downloading stream %d ASX playlist' % i,
+                    transform_source=fix_xml_ampersands)
+                ref = asx.find('./ENTRY/Ref')
+                if ref is None:
+                    continue
+                video_url = ref.get('href')
+                if not video_url:
+                    continue
+                formats.append({
+                    'url': video_url,
+                    'ext': stream.get('formaat', 'asf'),
+                    'quality': stream.get('kwaliteit'),
+                })
+
         self._sort_formats(formats)
 
         return {