[YouPorn] Improve extraction

* use video ID from page
* detect unwatchable videos
* improve duration extraction
* fix count extraction and support large values
* detect and remnove SEO spam boilerplate description

test/test_age_restriction.py

@@ -47,7 +47,7 @@ class TestAgeRestriction(unittest.TestCase):
     def test_youporn(self):
         self._assert_restricted(
             'https://www.youporn.com/watch/16715086/sex-ed-in-detention-18-asmr/',
-            '16715086.mp4', 2, old_age=25)
+            '48260111.mp4', 2, old_age=25)
 
 
 if __name__ == '__main__':

youtube_dl/extractor/youporn.py

@@ -5,10 +5,13 @@ import re
 
 from .common import InfoExtractor
 from ..utils import (
+    clean_html,
     extract_attributes,
+    ExtractorError,
+    get_element_by_id,
     int_or_none,
-    str_to_int,
     merge_dicts,
+    parse_count,
     T,
     traverse_obj,
     unified_strdate,
@@ -38,7 +41,7 @@ class YouPornIE(InfoExtractor):
             'tags': list,
             'age_limit': 18,
         },
-        'skip': 'This video has been disabled',
+        'skip': 'This video has been deactivated',
     }, {
         # Unknown uploader
         'url': 'http://www.youporn.com/watch/561726/big-tits-awesome-brunette-on-amazing-webcam-show/?from=related3&al=2&from_id=561726&pos=4',
@@ -100,12 +103,29 @@ class YouPornIE(InfoExtractor):
         return list(yield_urls())
 
     def _real_extract(self, url):
+        # Actual video ID is hidden in the page
         display_id = self._match_valid_url(url).group('id', 'display_id')
         url = 'http://www.youporn.com/watch/%s' % (display_id[0],)
         display_id = display_id[1] or display_id[0]
         webpage = self._download_webpage(
             url, display_id, headers={'Cookie': 'age_verified=1'})
-        video_id = display_id[0]
+
+        watchable = self._search_regex(
+            r'''(<div\s[^>]*\bid\s*=\s*('|")?watch-container(?(2)\2|(?!-)\b)[^>]*>)''',
+            webpage, 'video id', default=None)
+        if not watchable:
+            msg = re.split(r'\s{4}', clean_html(get_element_by_id(
+                'mainContent', webpage)) or '')[0]
+            raise ExtractorError(
+                ('%s says: %s' % (self.IE_NAME, msg))
+                if msg else 'Video unavailable: no reason found',
+                expected=True)
+        video_id = extract_attributes(watchable).get('data-video-id')
+        if not video_id:
+            # last chance saloon
+            video_id = self._search_regex(
+                r'''\bcurrentVideoId\s*:\s*('|")(?P<id>\d+)\1''',
+                webpage, 'video id', group='id')
 
         playervars = self._search_json(
             r'\bplayervars\s*:', webpage, 'playervars', display_id)
@@ -169,8 +189,10 @@ class YouPornIE(InfoExtractor):
         thumbnail = self._search_regex(
             r'(?:imageurl\s*=|poster\s*:)\s*(["\'])(?P<thumbnail>.+?)\1',
             webpage, 'thumbnail', fatal=False, group='thumbnail')
-        duration = int_or_none(self._html_search_meta(
-            'video:duration', webpage, 'duration', fatal=False))
+        duration = traverse_obj(playervars, ('duration', T(int_or_none)))
+        if duration is None:
+            duration = int_or_none(self._html_search_meta(
+                'video:duration', webpage, 'duration', fatal=False))
 
         uploader = self._html_search_regex(
             r'(?s)<div[^>]+class=["\']submitByLink["\'][^>]*>(.+?)</div>',
@@ -186,11 +208,11 @@ class YouPornIE(InfoExtractor):
 
         view_count = None
         views = self._search_regex(
-            r'(<div[^>]+\bclass=["\']js_videoInfoViews["\']>)', webpage,
-            'views', default=None)
+            r'(<div\s[^>]*\bdata-value\s*=[^>]+>)\s*<label>Views:</label>',
+            webpage, 'views', default=None)
         if views:
-            view_count = str_to_int(extract_attributes(views).get('data-value'))
-        comment_count = str_to_int(self._search_regex(
+            view_count = parse_count(extract_attributes(views).get('data-value'))
+        comment_count = parse_count(self._search_regex(
             r'>All [Cc]omments? \(([\d,.]+)\)',
             webpage, 'comment count', default=None))
 
@@ -211,7 +233,7 @@ class YouPornIE(InfoExtractor):
 
         result = merge_dicts(data, {
             'id': video_id,
-            'display_id': display_id if display_id != video_id else None,
+            'display_id': display_id,
             'title': title,
             'description': description,
             'thumbnail': thumbnail,
@@ -225,4 +247,8 @@ class YouPornIE(InfoExtractor):
             'age_limit': age_limit,
             'formats': formats,
         })
+        # Remove promotionalm non-description
+        if result.get('description', '').startswith(
+                'Watch %s online' % (result['title'],)):
+            del result['description']
         return result