[itv] Make SOAP request non fatal and extract metadata from a webpage (closes #16780)

youtube_dl/extractor/itv.py

@@ -18,6 +18,7 @@ from ..utils import (
     xpath_element,
     xpath_text,
     int_or_none,
+    merge_dicts,
     parse_duration,
     smuggle_url,
     ExtractorError,
@@ -129,7 +130,8 @@ class ITVIE(InfoExtractor):
 
         resp_env = self._download_xml(
             params['data-playlist-url'], video_id,
-            headers=headers, data=etree.tostring(req_env))
+            headers=headers, data=etree.tostring(req_env), fatal=False)
+        if resp_env:
             playlist = xpath_element(resp_env, './/Playlist')
             if playlist is None:
                 fault_code = xpath_text(resp_env, './/faultcode')
@@ -261,7 +263,17 @@ class ITVIE(InfoExtractor):
             'formats': formats,
             'subtitles': subtitles,
         })
-        return info
+
+        webpage_info = self._search_json_ld(webpage, video_id, default={})
+        if not webpage_info.get('title'):
+            webpage_info['title'] = self._html_search_regex(
+                r'(?s)<h\d+[^>]+\bclass=["\'][^>]*episode-title["\'][^>]*>([^<]+)<',
+                webpage, 'title', default=None) or self._og_search_title(
+                webpage, default=None) or self._html_search_meta(
+                'twitter:title', webpage, 'title',
+                default=None) or webpage_info['episode']
+
+        return merge_dicts(info, webpage_info)
 
 
 class ITVBTCCIE(InfoExtractor):