[rutube] Rework and generalize playlist extractors (closes #13565)

youtube_dl/extractor/rutube.py

@@ -12,34 +12,60 @@ from ..compat import (
 )
 from ..utils import (
     determine_ext,
-    unified_strdate,
+    unified_timestamp,
     try_get,
     int_or_none,
 )
 
 
-class RutubeIE(InfoExtractor):
+class RutubeBaseIE(InfoExtractor):
+    def _extract_video(self, video, video_id=None, require_title=True):
+        title = video['title'] if require_title else video.get('title')
+
+        age_limit = video.get('is_adult')
+        if age_limit is not None:
+            age_limit = 18 if age_limit is True else 0
+
+        uploader_id = try_get(video, lambda x: x['author']['id'])
+        category = try_get(video, lambda x: x['category']['name'])
+
+        return {
+            'id': video.get('id') or video_id,
+            'title': title,
+            'description': video.get('description'),
+            'thumbnail': video.get('thumbnail_url'),
+            'duration': int_or_none(video.get('duration')),
+            'uploader': try_get(video, lambda x: x['author']['name']),
+            'uploader_id': compat_str(uploader_id) if uploader_id else None,
+            'timestamp': unified_timestamp(video.get('created_ts')),
+            'category': [category] if category else None,
+            'age_limit': age_limit,
+            'view_count': int_or_none(video.get('hits')),
+            'comment_count': int_or_none(video.get('comments_count')),
+            'is_live': video.get('is_livestream'),
+        }
+
+
+class RutubeIE(RutubeBaseIE):
     IE_NAME = 'rutube'
     IE_DESC = 'Rutube videos'
     _VALID_URL = r'https?://rutube\.ru/(?:video|(?:play/)?embed)/(?P<id>[\da-z]{32})'
 
     _TESTS = [{
         'url': 'http://rutube.ru/video/3eac3b4561676c17df9132a9a1e62e3e/',
+        'md5': '79938ade01294ef7e27574890d0d3769',
         'info_dict': {
             'id': '3eac3b4561676c17df9132a9a1e62e3e',
-            'ext': 'mp4',
+            'ext': 'flv',
             'title': 'Раненный кенгуру забежал в аптеку',
             'description': 'http://www.ntdtv.ru ',
             'duration': 80,
             'uploader': 'NTDRussian',
             'uploader_id': '29790',
+            'timestamp': 1381943602,
             'upload_date': '20131016',
             'age_limit': 0,
         },
-        'params': {
-            # It requires ffmpeg (m3u8 download)
-            'skip_download': True,
-        },
     }, {
         'url': 'http://rutube.ru/play/embed/a10e53b86e8f349080f718582ce4c661',
         'only_matching': True,
@@ -49,20 +75,14 @@ class RutubeIE(InfoExtractor):
     }, {
         'url': 'http://rutube.ru/video/3eac3b4561676c17df9132a9a1e62e3e/?pl_id=4252',
         'only_matching': True,
+    }, {
+        'url': 'https://rutube.ru/video/10b3a03fc01d5bbcc632a2f3514e8aab/?pl_type=source',
+        'only_matching': True,
     }]
 
     @classmethod
     def suitable(cls, url):
-        parts = compat_urllib_parse_urlparse(url)
-        params = compat_parse_qs(parts.query)
-
-        # see if URL without parameters is OK
-        res = super(RutubeIE, cls).suitable(url)
-
-        if params:  # we only allow pl_id parameter in the url
-            res = res and 'pl_id' in params and len(params) == 1
-
-        return res
+        return False if RutubePlaylistIE.suitable(url) else super(RutubeIE, cls).suitable(url)
 
     @staticmethod
     def _extract_urls(webpage):
@@ -72,12 +92,12 @@ class RutubeIE(InfoExtractor):
 
     def _real_extract(self, url):
         video_id = self._match_id(url)
+
         video = self._download_json(
             'http://rutube.ru/api/video/%s/?format=json' % video_id,
             video_id, 'Downloading video JSON')
 
-        # Some videos don't have the author field
-        author = video.get('author') or {}
+        info = self._extract_video(video, video_id)
 
         options = self._download_json(
             'http://rutube.ru/api/play/options/%s/?format=json' % video_id,
@@ -99,19 +119,8 @@ class RutubeIE(InfoExtractor):
                 })
         self._sort_formats(formats)
 
-        return {
-            'id': video['id'],
-            'title': video['title'],
-            'description': video['description'],
-            'duration': video['duration'],
-            'view_count': video['hits'],
-            'formats': formats,
-            'thumbnail': video['thumbnail_url'],
-            'uploader': author.get('name'),
-            'uploader_id': compat_str(author['id']) if author else None,
-            'upload_date': unified_strdate(video['created_ts']),
-            'age_limit': 18 if video['is_adult'] else 0,
-        }
+        info['formats'] = formats
+        return info
 
 
 class RutubeEmbedIE(InfoExtractor):
@@ -123,7 +132,8 @@ class RutubeEmbedIE(InfoExtractor):
         'url': 'http://rutube.ru/video/embed/6722881?vk_puid37=&vk_puid38=',
         'info_dict': {
             'id': 'a10e53b86e8f349080f718582ce4c661',
-            'ext': 'mp4',
+            'ext': 'flv',
+            'timestamp': 1387830582,
             'upload_date': '20131223',
             'uploader_id': '297833',
             'description': 'Видео группы ★http://vk.com/foxkidsreset★ музей Fox Kids и Jetix<br/><br/> восстановлено и сделано в шикоформате subziro89 http://vk.com/subziro89',
@@ -131,7 +141,7 @@ class RutubeEmbedIE(InfoExtractor):
             'title': 'Мистический городок Эйри в Индиан 5 серия озвучка subziro89',
         },
         'params': {
-            'skip_download': 'Requires ffmpeg',
+            'skip_download': True,
         },
     }, {
         'url': 'http://rutube.ru/play/embed/8083783',
@@ -145,10 +155,51 @@ class RutubeEmbedIE(InfoExtractor):
         canonical_url = self._html_search_regex(
             r'<link\s+rel="canonical"\s+href="([^"]+?)"', webpage,
             'Canonical URL')
-        return self.url_result(canonical_url, 'Rutube')
+        return self.url_result(canonical_url, RutubeIE.ie_key())
 
 
-class RutubeChannelIE(InfoExtractor):
+class RutubePlaylistBaseIE(RutubeBaseIE):
+    def _next_page_url(self, page_num, playlist_id, *args, **kwargs):
+        return self._PAGE_TEMPLATE % (playlist_id, page_num)
+
+    def _entries(self, playlist_id, *args, **kwargs):
+        next_page_url = None
+        for pagenum in itertools.count(1):
+            page = self._download_json(
+                next_page_url or self._next_page_url(
+                    pagenum, playlist_id, *args, **kwargs),
+                playlist_id, 'Downloading page %s' % pagenum)
+
+            results = page.get('results')
+            if not results or not isinstance(results, list):
+                break
+
+            for result in results:
+                video_url = result.get('video_url')
+                if not video_url or not isinstance(video_url, compat_str):
+                    continue
+                entry = self._extract_video(result, require_title=False)
+                entry.update({
+                    '_type': 'url',
+                    'url': video_url,
+                    'ie_key': RutubeIE.ie_key(),
+                })
+                yield entry
+
+            next_page_url = page.get('next')
+            if not next_page_url or not page.get('has_next'):
+                break
+
+    def _extract_playlist(self, playlist_id, *args, **kwargs):
+        return self.playlist_result(
+            self._entries(playlist_id, *args, **kwargs),
+            playlist_id, kwargs.get('playlist_name'))
+
+    def _real_extract(self, url):
+        return self._extract_playlist(self._match_id(url))
+
+
+class RutubeChannelIE(RutubePlaylistBaseIE):
     IE_NAME = 'rutube:channel'
     IE_DESC = 'Rutube channels'
     _VALID_URL = r'https?://rutube\.ru/tags/video/(?P<id>\d+)'
@@ -162,27 +213,8 @@ class RutubeChannelIE(InfoExtractor):
 
     _PAGE_TEMPLATE = 'http://rutube.ru/api/tags/video/%s/?page=%s&format=json'
 
-    def _extract_videos(self, channel_id, channel_title=None):
-        entries = []
-        for pagenum in itertools.count(1):
-            page = self._download_json(
-                self._PAGE_TEMPLATE % (channel_id, pagenum),
-                channel_id, 'Downloading page %s' % pagenum)
-            results = page['results']
-            if not results:
-                break
-            entries.extend(self.url_result(result['video_url'], 'Rutube') for result in results)
-            if not page['has_next']:
-                break
-        return self.playlist_result(entries, channel_id, channel_title)
-
-    def _real_extract(self, url):
-        mobj = re.match(self._VALID_URL, url)
-        channel_id = mobj.group('id')
-        return self._extract_videos(channel_id)
-
 
-class RutubeMovieIE(RutubeChannelIE):
+class RutubeMovieIE(RutubePlaylistBaseIE):
     IE_NAME = 'rutube:movie'
     IE_DESC = 'Rutube movies'
     _VALID_URL = r'https?://rutube\.ru/metainfo/tv/(?P<id>\d+)'
@@ -196,11 +228,11 @@ class RutubeMovieIE(RutubeChannelIE):
         movie = self._download_json(
             self._MOVIE_TEMPLATE % movie_id, movie_id,
             'Downloading movie JSON')
-        movie_name = movie['name']
-        return self._extract_videos(movie_id, movie_name)
+        return self._extract_playlist(
+            movie_id, playlist_name=movie.get('name'))
 
 
-class RutubePersonIE(RutubeChannelIE):
+class RutubePersonIE(RutubePlaylistBaseIE):
     IE_NAME = 'rutube:person'
     IE_DESC = 'Rutube person videos'
     _VALID_URL = r'https?://rutube\.ru/video/person/(?P<id>\d+)'
@@ -215,65 +247,33 @@ class RutubePersonIE(RutubeChannelIE):
     _PAGE_TEMPLATE = 'http://rutube.ru/api/video/person/%s/?page=%s&format=json'
 
 
-class RutubePlaylistIE(InfoExtractor):
+class RutubePlaylistIE(RutubePlaylistBaseIE):
     IE_NAME = 'rutube:playlist'
     IE_DESC = 'Rutube playlists'
+    _VALID_URL = r'https?://rutube\.ru/(?:video|(?:play/)?embed)/[\da-z]{32}/\?.*?\bpl_id=(?P<id>\d+)'
     _TESTS = [{
-        'url': 'https://rutube.ru/video/10b3a03fc01d5bbcc632a2f3514e8aab/?pl_id=4252&pl_type=source',
+        'url': 'https://rutube.ru/video/cecd58ed7d531fc0f3d795d51cee9026/?pl_id=3097&pl_type=tag',
         'info_dict': {
-            'id': '4252',
+            'id': '3097',
         },
-        'playlist_count': 25,
+        'playlist_count': 27,
+    }, {
+        'url': 'https://rutube.ru/video/10b3a03fc01d5bbcc632a2f3514e8aab/?pl_id=4252&pl_type=source',
+        'only_matching': True,
     }]
 
-    _VALID_URL = r'https?://rutube\.ru/(?:video|(?:play/)?embed)/[\da-z]{32}/\?(?:.+)?pl_id=(?P<id>\d+)'
-    _PAGE_TEMPLATE = 'http://rutube.ru/api/playlist/source/%s/?page=%s'
+    _PAGE_TEMPLATE = 'http://rutube.ru/api/playlist/%s/%s/?page=%s&format=json'
 
     @staticmethod
     def suitable(url):
         params = compat_parse_qs(compat_urllib_parse_urlparse(url).query)
-        return params.get('pl_id') and int_or_none(params['pl_id'][0]) \
-            and params.get('pl_type')
-
-    def _real_extract(self, url):
-        playlist_id = self._match_id(url)
-        return self._extract_playlist(playlist_id)
-
-    def _extract_playlist(self, playlist_id):
-        entries = []
-        for pagenum in itertools.count(1):
-            page_url = self._PAGE_TEMPLATE % (playlist_id, pagenum)
-
-            # download_json will sent an accept: application/xml header
-            page = self._download_json(page_url, playlist_id,
-                                       "Downloading metadata for page %s" % pagenum,
-                                       headers={'Accept': 'application/json'})
-
-            if not page['results']:
-                break
+        return params.get('pl_type', [None])[0] and int_or_none(params.get('pl_id', [None])[0])
 
-            results = page['results']
-            for result in results:
-                entry = self.url_result(result.get('video_url'), 'Rutube')
-                category = try_get(result, lambda x: x['category']['name'])
-                entry.update({
-                    'id': result.get('id'),
-                    'uploader': try_get(result, lambda x: x['author']['name']),
-                    'uploader_id': try_get(result, lambda x: x['author']['id']),
-                    'upload_date': unified_strdate(result.get('created_ts')),
-                    'title': result.get('title'),
-                    'description': result.get('description'),
-                    'thumbnail': result.get('thumbnail_url'),
-                    'duration': int_or_none(result.get('duration')),
-                    'category': [category] if category else None,
-                    'age_limit': 18 if result.get('is_adult') else 0,
-                    'view_count': int_or_none(result.get('hits')),
-                    'is_live': result.get('is_livestream'),
-                    'webpage_url': result.get('video_url'),
-                })
-                entries.append(entry)
+    def _next_page_url(self, page_num, playlist_id, item_kind):
+        return self._PAGE_TEMPLATE % (item_kind, playlist_id, page_num)
 
-            if page['has_next'] is False:
-                break
-
-        return self.playlist_result(entries, playlist_id, page['name'])
+    def _real_extract(self, url):
+        qs = compat_parse_qs(compat_urllib_parse_urlparse(url).query)
+        playlist_kind = qs['pl_type'][0]
+        playlist_id = qs['pl_id'][0]
+        return self._extract_playlist(playlist_id, item_kind=playlist_kind)