[iai] Add extractor

youtube_dl/extractor/extractors.py

@@ -474,6 +474,7 @@ from .hungama import (
 )
 from .hypem import HypemIE
 from .iconosquare import IconosquareIE
+from .iai import IaiIE
 from .ign import (
     IGNIE,
     OneUPIE,

youtube_dl/extractor/iai.py

@@ -0,0 +1,55 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+from .common import InfoExtractor
+from ..utils import compat_str
+
+
+class IaiIE(InfoExtractor):
+    IE_NAME = 'IAI'
+    _VALID_URL = r'https://iai.tv/video/(?P<id>[^/#?]+)'
+    _TESTS = [{
+        'url': 'https://iai.tv/video/darkness-authority-and-dreams',
+        'md5': '633f3175a9be21a10bc0583acc5d06bb',
+        'info_dict': {
+            'id': '1027',
+            'ext': 'mp4',
+            'title': 'How Much Authority Should Governments Have? ',
+            'description': 'md5:1dbbaabf0609bcb45220b2b7d9ad063f',
+            'upload_date': '20190404',
+            'timestamp': 1554379576,
+        }
+    }]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        webpage = self._download_webpage(url, video_id)
+        data = self._search_regex(r'\bwindow\.JS_VARS\s*=\s*(\{.*\})', webpage, 'JS_VARS')
+        data = self._parse_json(data, video_id)
+        formats = []
+        for widget in data['Widgets']['widgets']:
+            if widget.get('Type') != 'VideoPlayerWidget':
+                continue
+            sprops = widget['Sprops']
+            video_id = compat_str(sprops.get('VideoID', video_id))
+            for format_id in 'sd', 'hd':
+                quality = 1 if format_id == 'hd' else 0
+                key = ('HighRes' if quality > 0 else '') + 'StreamingUrl'
+                video_url = sprops.get(key)
+                if not video_url:
+                    continue
+                formats.append({
+                    'url': video_url,
+                    'format_id': format_id,
+                    'quality': quality,
+                })
+            break
+        self._sort_formats(formats)
+        info = self._search_json_ld(webpage, video_id, default={})
+        info['id'] = video_id
+        info['formats'] = formats
+        if 'title' not in info:
+            # title should normally be in json-ld,
+            # but sometimes it's malformed
+            info['title'] = self._og_search_title(webpage)
+        return info