[nhk] Add extractor for VoD.

youtube_dl/extractor/nhk.py

@@ -0,0 +1,29 @@
+from __future__ import unicode_literals
+
+from .common import InfoExtractor
+
+
+class NhkVodIE(InfoExtractor):
+    _VALID_URL = r'http://www3\.nhk\.or\.jp/nhkworld/en/vod/(?P<id>.+)\.html'
+    _TESTS = [{
+        'url': 'http://www3.nhk.or.jp/nhkworld/en/vod/tokyofashion/20160815.html',
+        'info_dict': {
+            'id': 'A1bnNiNTE6nY3jLllS-BIISfcC_PpvF5',
+            'ext': 'flv',
+            'title': '[nhkworld]VOD;2009-251-2016;TOKYO FASHION EXPRESS;The Kimono as Global Fashion;en',
+        },
+        'params': {
+            'skip_download': True  # Videos available only for a limited period of time.
+        },
+    }]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        webpage = self._download_webpage(url, video_id)
+
+        embed_code = self._search_regex(
+            r'''nw_vod_ooplayer\('movie-area', '([^']+)'\);''',
+            webpage,
+            'ooyala embed code')
+
+        return self.url_result('ooyala:' + embed_code, 'Ooyala')