[vgtv] Add new extractor

Because of the #! in the URL structure for VGTV we need to add ' before and after given URL. Or else it will cry:

-bash: !/video/100495/lars-og-lars-sesong-6-episode-6-lakselus: event not found

youtube_dl/extractor/vgtv.py

@@ -0,0 +1,73 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+import re
+
+from .common import InfoExtractor
+
+from ..utils import (
+  ExtractorError
+)
+
+class VGTVIE(InfoExtractor):
+  # Because of the #! in the URL structure we need to add ' before and after given URL.
+  # Or else it will cry: -bash: !/video/100495/lars-og-lars-sesong-6-episode-6-lakselus: event not found
+  _VALID_URL = r'http://(?:www\.)?vgtv\.no/#!/(?:.*)/(?P<id>[0-9]+)/(?P<title>[^?#]*)'
+  _TEST = {
+    'url': 'http://www.vgtv.no/#!/video/84196/hevnen-er-soet-episode-10-abu',
+    'md5': 'b8be7a234cebb840c0d512c78013e02f',
+    'info_dict': {
+      'id': '84196',
+      'ext': 'mp4',
+      'title': 'Hevnen er søt episode 10: Abu',
+      'description': 'md5:e25e4badb5f544b04341e14abdc72234',
+      'timestamp': 1404626400,
+      'upload_date': '20140706'
+    }
+  }
+
+  def _real_extract(self, url):
+    mobj = re.match(self._VALID_URL, url)
+    video_id = mobj.group('id')
+
+    # Download JSON file containing video info.
+    data = self._download_json('http://svp.vg.no/svp/api/v1/vgtv/assets/%s?appName=vgtv-website' % video_id, video_id, 'Downloading media JSON')
+
+    # Known streamType: vod, live, wasLive
+    # Will it even be possible to add support for live streams?
+    if data['streamType'] != 'vod':
+      raise ExtractorError('Stream type \'%s\' is not yet supported.' % data['streamType'], expected=True)
+
+    # Add access token to image or it will fail.
+    thumbnail = data['images']['main'] + '?t[]=900x506q80'
+
+    formats = []
+
+    # Most videos are in MP4, but some are either HLS or HDS.
+    # Don't want to support HDS.
+    if data['streamUrls']['mp4'] is not None:
+      formats.append({
+        'url': data['streamUrls']['mp4'],
+        'format_id': 'mp4',
+        'ext': 'mp4'
+      })
+    elif data['streamUrls']['hls'] is not None:
+      self.to_screen(u'No MP4 URL found, using m3u8. This may take some extra time.')
+      formats.append({
+        'url': data['streamUrls']['hls'],
+        'format_id': 'm3u8',
+        'ext': 'mp4'
+      })
+    else:
+      raise ExtractorError('No download URL found for video: %s.' % video_id, expected=True)
+
+    return {
+      'id': video_id,
+      'title': data['title'],
+      'description': data['description'],
+      'thumbnail': thumbnail,
+      'timestamp': data['published'],
+      'duration': data['duration'],
+      'view_count': data['displays'],
+      'formats': formats,
+    }