[ertgr] Add new extractors (#2338)

Authored-by: zmousm, dirkf

yt_dlp/extractor/generic.py

@@ -140,6 +140,7 @@ from .medialaan import MedialaanIE
 from .simplecast import SimplecastIE
 from .wimtv import WimTVIE
 from .tvopengr import TVOpenGrEmbedIE
+from .ertgr import ERTWebtvEmbedIE
 from .tvp import TVPEmbedIE
 from .blogger import BloggerIE
 from .mainstreaming import MainStreamingIE
@@ -1923,6 +1924,15 @@ class GenericIE(InfoExtractor):
                 },
             }]
         },
+        {
+            'url': 'https://www.ertnews.gr/video/manolis-goyalles-o-anthropos-piso-apo-ti-diadiktyaki-vasilopita/',
+            'info_dict': {
+                'id': '2022/tv/news-themata-ianouarios/20220114-apotis6-gouales-pita.mp4',
+                'ext': 'mp4',
+                'title': 'md5:df64f5b61c06d0e9556c0cdd5cf14464',
+                'thumbnail': 'https://www.ert.gr/themata/photos/2021/20220114-apotis6-gouales-pita.jpg',
+            },
+        },
         {
             # ThePlatform embedded with whitespaces in URLs
             'url': 'http://www.golfchannel.com/topics/shows/golftalkcentral.htm',
@@ -3693,6 +3703,13 @@ class GenericIE(InfoExtractor):
         if tvopengr_urls:
             return self.playlist_from_matches(tvopengr_urls, video_id, video_title, ie=TVOpenGrEmbedIE.ie_key())
 
+        # Look for ert.gr webtv embeds
+        ertwebtv_urls = list(ERTWebtvEmbedIE._extract_urls(webpage))
+        if len(ertwebtv_urls) == 1:
+            return self.url_result(self._proto_relative_url(ertwebtv_urls[0]), video_title=video_title, url_transparent=True)
+        elif ertwebtv_urls:
+            return self.playlist_from_matches(ertwebtv_urls, video_id, video_title, ie=ERTWebtvEmbedIE.ie_key())
+
         tvp_urls = TVPEmbedIE._extract_urls(webpage)
         if tvp_urls:
             return self.playlist_from_matches(tvp_urls, video_id, video_title, ie=TVPEmbedIE.ie_key())