[raywenderlich] Adapt to site redesign (closes #17225)

youtube_dl/extractor/extractors.py

@@ -899,7 +899,10 @@ from .rai import (
     RaiPlayPlaylistIE,
     RaiIE,
 )
-from .raywenderlich import RayWenderlichIE
+from .raywenderlich import (
+    RayWenderlichIE,
+    RayWenderlichCourseIE,
+)
 from .rbmaradio import RBMARadioIE
 from .rds import RDSIE
 from .redbulltv import RedBullTVIE

youtube_dl/extractor/raywenderlich.py

@@ -4,24 +4,37 @@ import re
 
 from .common import InfoExtractor
 from .vimeo import VimeoIE
+from ..compat import compat_str
 from ..utils import (
-    extract_attributes,
     ExtractorError,
-    smuggle_url,
-    unsmuggle_url,
+    int_or_none,
+    merge_dicts,
+    try_get,
+    unescapeHTML,
+    unified_timestamp,
     urljoin,
 )
 
 
 class RayWenderlichIE(InfoExtractor):
-    _VALID_URL = r'https?://videos\.raywenderlich\.com/courses/(?P<course_id>[^/]+)/lessons/(?P<id>\d+)'
+    _VALID_URL = r'''(?x)
+                    https?://
+                        (?:
+                            videos\.raywenderlich\.com/courses|
+                            (?:www\.)?raywenderlich\.com
+                        )/
+                        (?P<course_id>[^/]+)/lessons/(?P<id>\d+)
+                    '''
 
     _TESTS = [{
-        'url': 'https://videos.raywenderlich.com/courses/105-testing-in-ios/lessons/1',
+        'url': 'https://www.raywenderlich.com/3530-testing-in-ios/lessons/1',
         'info_dict': {
             'id': '248377018',
             'ext': 'mp4',
-            'title': 'Testing In iOS Episode 1: Introduction',
+            'title': 'Introduction',
+            'description': 'md5:804d031b3efa9fcb49777d512d74f722',
+            'timestamp': 1513906277,
+            'upload_date': '20171222',
             'duration': 133,
             'uploader': 'Ray Wenderlich',
             'uploader_id': 'user3304672',
@@ -34,69 +47,133 @@ class RayWenderlichIE(InfoExtractor):
         'expected_warnings': ['HTTP Error 403: Forbidden'],
     }, {
         'url': 'https://videos.raywenderlich.com/courses/105-testing-in-ios/lessons/1',
+        'only_matching': True,
+    }]
+
+    @staticmethod
+    def _extract_video_id(data, lesson_id):
+        if not data:
+            return
+        groups = try_get(data, lambda x: x['groups'], list) or []
+        if not groups:
+            return
+        for group in groups:
+            if not isinstance(group, dict):
+                continue
+            contents = try_get(data, lambda x: x['contents'], list) or []
+            for content in contents:
+                if not isinstance(content, dict):
+                    continue
+                ordinal = int_or_none(content.get('ordinal'))
+                if ordinal != lesson_id:
+                    continue
+                video_id = content.get('identifier')
+                if video_id:
+                    return compat_str(video_id)
+
+    def _real_extract(self, url):
+        mobj = re.match(self._VALID_URL, url)
+        course_id, lesson_id = mobj.group('course_id', 'id')
+        display_id = '%s/%s' % (course_id, lesson_id)
+
+        webpage = self._download_webpage(url, display_id)
+
+        thumbnail = self._og_search_thumbnail(
+            webpage, default=None) or self._html_search_meta(
+            'twitter:image', webpage, 'thumbnail')
+
+        if '>Subscribe to unlock' in webpage:
+            raise ExtractorError(
+                'This content is only available for subscribers',
+                expected=True)
+
+        info = {
+            'thumbnail': thumbnail,
+        }
+
+        vimeo_id = self._search_regex(
+            r'data-vimeo-id=["\'](\d+)', webpage, 'vimeo id', default=None)
+
+        if not vimeo_id:
+            data = self._parse_json(
+                self._search_regex(
+                    r'data-collection=(["\'])(?P<data>{.+?})\1', webpage,
+                    'data collection', default='{}', group='data'),
+                display_id, transform_source=unescapeHTML, fatal=False)
+            video_id = self._extract_video_id(
+                data, lesson_id) or self._search_regex(
+                r'/videos/(\d+)/', thumbnail, 'video id')
+            headers = {
+                'Referer': url,
+                'X-Requested-With': 'XMLHttpRequest',
+            }
+            csrf_token = self._html_search_meta(
+                'csrf-token', webpage, 'csrf token', default=None)
+            if csrf_token:
+                headers['X-CSRF-Token'] = csrf_token
+            video = self._download_json(
+                'https://videos.raywenderlich.com/api/v1/videos/%s.json'
+                % video_id, display_id, headers=headers)['video']
+            vimeo_id = video['clips'][0]['provider_id']
+            info.update({
+                '_type': 'url_transparent',
+                'title': video.get('name'),
+                'description': video.get('description') or video.get(
+                    'meta_description'),
+                'duration': int_or_none(video.get('duration')),
+                'timestamp': unified_timestamp(video.get('created_at')),
+            })
+
+        return merge_dicts(info, self.url_result(
+            VimeoIE._smuggle_referrer(
+                'https://player.vimeo.com/video/%s' % vimeo_id, url),
+            ie=VimeoIE.ie_key(), video_id=vimeo_id))
+
+
+class RayWenderlichCourseIE(InfoExtractor):
+    _VALID_URL = r'''(?x)
+                    https?://
+                        (?:
+                            videos\.raywenderlich\.com/courses|
+                            (?:www\.)?raywenderlich\.com
+                        )/
+                        (?P<id>[^/]+)
+                    '''
+
+    _TEST = {
+        'url': 'https://www.raywenderlich.com/3530-testing-in-ios',
         'info_dict': {
             'title': 'Testing in iOS',
-            'id': '105-testing-in-ios',
+            'id': '3530-testing-in-ios',
         },
         'params': {
             'noplaylist': False,
         },
         'playlist_count': 29,
-    }]
+    }
+
+    @classmethod
+    def suitable(cls, url):
+        return False if RayWenderlichIE.suitable(url) else super(
+            RayWenderlichCourseIE, cls).suitable(url)
 
     def _real_extract(self, url):
-        url, smuggled_data = unsmuggle_url(url, {})
+        course_id = self._match_id(url)
 
-        mobj = re.match(self._VALID_URL, url)
-        course_id, lesson_id = mobj.group('course_id', 'id')
-        video_id = '%s/%s' % (course_id, lesson_id)
-
-        webpage = self._download_webpage(url, video_id)
-
-        no_playlist = self._downloader.params.get('noplaylist')
-        if no_playlist or smuggled_data.get('force_video', False):
-            if no_playlist:
-                self.to_screen(
-                    'Downloading just video %s because of --no-playlist'
-                    % video_id)
-            if '>Subscribe to unlock' in webpage:
-                raise ExtractorError(
-                    'This content is only available for subscribers',
-                    expected=True)
-            vimeo_id = self._search_regex(
-                r'data-vimeo-id=["\'](\d+)', webpage, 'video id')
-            return self.url_result(
-                VimeoIE._smuggle_referrer(
-                    'https://player.vimeo.com/video/%s' % vimeo_id, url),
-                ie=VimeoIE.ie_key(), video_id=vimeo_id)
-
-        self.to_screen(
-            'Downloading playlist %s - add --no-playlist to just download video'
-            % course_id)
-
-        lesson_ids = set((lesson_id, ))
-        for lesson in re.findall(
-                r'(<a[^>]+\bclass=["\']lesson-link[^>]+>)', webpage):
-            attrs = extract_attributes(lesson)
-            if not attrs:
-                continue
-            lesson_url = attrs.get('href')
-            if not lesson_url:
-                continue
-            lesson_id = self._search_regex(
-                r'/lessons/(\d+)', lesson_url, 'lesson id', default=None)
-            if not lesson_id:
-                continue
-            lesson_ids.add(lesson_id)
+        webpage = self._download_webpage(url, course_id)
 
         entries = []
-        for lesson_id in sorted(lesson_ids):
+        lesson_urls = set()
+        for lesson_url in re.findall(
+                r'<a[^>]+\bhref=["\'](/%s/lessons/\d+)' % course_id, webpage):
+            if lesson_url in lesson_urls:
+                continue
+            lesson_urls.add(lesson_url)
             entries.append(self.url_result(
-                smuggle_url(urljoin(url, lesson_id), {'force_video': True}),
-                ie=RayWenderlichIE.ie_key()))
+                urljoin(url, lesson_url), ie=RayWenderlichIE.ie_key()))
 
-        title = self._search_regex(
-            r'class=["\']course-title[^>]+>([^<]+)', webpage, 'course title',
-            default=None)
+        title = self._og_search_title(
+            webpage, default=None) or self._html_search_meta(
+            'twitter:title', webpage, 'title', default=None)
 
         return self.playlist_result(entries, course_id, title)