[foxnews] Add support for iframe embeds (closes #15810, closes #16711)

youtube_dl/extractor/foxnews.py

@@ -58,6 +58,14 @@ class FoxNewsIE(AMPIE):
         },
     ]
 
+    @staticmethod
+    def _extract_urls(webpage):
+        return [
+            mobj.group('url')
+            for mobj in re.finditer(
+                r'<(?:amp-)?iframe[^>]+\bsrc=(["\'])(?P<url>(?:https?:)?//video\.foxnews\.com/v/video-embed\.html?.*?\bvideo_id=\d+.*?)\1',
+                webpage)]
+
     def _real_extract(self, url):
         host, video_id = re.match(self._VALID_URL, url).groups()
 
@@ -71,18 +79,35 @@ class FoxNewsArticleIE(InfoExtractor):
     _VALID_URL = r'https?://(?:www\.)?foxnews\.com/(?!v)([^/]+/)+(?P<id>[a-z-]+)'
     IE_NAME = 'foxnews:article'
 
-    _TEST = {
+    _TESTS = [{
+        # data-video-id
         'url': 'http://www.foxnews.com/politics/2016/09/08/buzz-about-bud-clinton-camp-denies-claims-wore-earpiece-at-forum.html',
-        'md5': '62aa5a781b308fdee212ebb6f33ae7ef',
+        'md5': '83d44e1aff1433e7a29a7b537d1700b5',
         'info_dict': {
             'id': '5116295019001',
             'ext': 'mp4',
             'title': 'Trump and Clinton asked to defend positions on Iraq War',
             'description': 'Veterans react on \'The Kelly File\'',
-            'timestamp': 1473299755,
+            'timestamp': 1473301045,
             'upload_date': '20160908',
         },
-    }
+    }, {
+        # iframe embed
+        'url': 'http://www.foxnews.com/us/2018/03/09/parkland-survivor-kyle-kashuv-on-meeting-trump-his-app-to-prevent-another-school-shooting.amp.html?__twitter_impression=true',
+        'info_dict': {
+            'id': '5748266721001',
+            'ext': 'flv',
+            'title': 'Kyle Kashuv has a positive message for the Trump White House',
+            'description': 'Marjory Stoneman Douglas student disagrees with classmates.',
+            'thumbnail': r're:^https?://.*\.jpg$',
+            'duration': 229,
+            'timestamp': 1520594670,
+            'upload_date': '20180309',
+        },
+        'params': {
+            'skip_download': True,
+        },
+    }]
 
     def _real_extract(self, url):
         display_id = self._match_id(url)
@@ -90,10 +115,13 @@ class FoxNewsArticleIE(InfoExtractor):
 
         video_id = self._html_search_regex(
             r'data-video-id=([\'"])(?P<id>[^\'"]+)\1',
-            webpage, 'video ID', group='id')
+            webpage, 'video ID', group='id', default=None)
+        if video_id:
             return self.url_result(
-            'http://video.foxnews.com/v/' + video_id,
+                'http://video.foxnews.com/v/' + video_id, FoxNewsIE.ie_key())
-            FoxNewsIE.ie_key())
+
+        return self.url_result(
+            FoxNewsIE._extract_urls(webpage)[0], FoxNewsIE.ie_key())
 
 
 class FoxNewsInsiderIE(InfoExtractor):

youtube_dl/extractor/generic.py

@@ -111,6 +111,7 @@ from .cloudflarestream import CloudflareStreamIE
 from .peertube import PeerTubeIE
 from .indavideo import IndavideoEmbedIE
 from .apa import APAIE
+from .foxnews import FoxNewsIE
 
 
 class GenericIE(InfoExtractor):
@@ -3091,6 +3092,11 @@ class GenericIE(InfoExtractor):
             return self.playlist_from_matches(
                 apa_urls, video_id, video_title, ie=APAIE.ie_key())
 
+        foxnews_urls = FoxNewsIE._extract_urls(webpage)
+        if foxnews_urls:
+            return self.playlist_from_matches(
+                foxnews_urls, video_id, video_title, ie=FoxNewsIE.ie_key())
+
         sharevideos_urls = [mobj.group('url') for mobj in re.finditer(
             r'<iframe[^>]+?\bsrc\s*=\s*(["\'])(?P<url>(?:https?:)?//embed\.share-videos\.se/auto/embed/\d+\?.*?\buid=\d+.*?)\1',
             webpage)]