[extractor/naver] Add navernow extractor (#3866)

Authored by: ping

yt_dlp/extractor/naver.py

@@ -1,13 +1,19 @@
+import itertools
 import re
+from urllib.parse import urlparse, parse_qs
 
 from .common import InfoExtractor
 from ..utils import (
+    ExtractorError,
     clean_html,
     dict_get,
-    ExtractorError,
     int_or_none,
+    merge_dicts,
     parse_duration,
+    traverse_obj,
+    try_call,
     try_get,
+    unified_timestamp,
     update_url_query,
 )
 
@@ -247,3 +253,134 @@ class NaverLiveIE(InfoExtractor):
             'categories': [meta.get('categoryId')],
             'is_live': True
         }
+
+
+class NaverNowIE(NaverBaseIE):
+    IE_NAME = 'navernow'
+    _VALID_URL = r'https?://now\.naver\.com/show/(?P<id>[0-9]+)'
+    _PAGE_SIZE = 30
+    _API_URL = 'https://apis.naver.com/now_web/nowcms-api-xhmac/cms/v1'
+    _TESTS = [{
+        'url': 'https://now.naver.com/show/4759?shareReplayId=5901#replay=',
+        'md5': 'e05854162c21c221481de16b2944a0bc',
+        'info_dict': {
+            'id': '4759-5901',
+            'title': '아이키X노제\r\n💖꽁냥꽁냥💖(1)',
+            'ext': 'mp4',
+            'thumbnail': r're:^https?://.*\.jpg',
+            'timestamp': 1650369600,
+            'upload_date': '20220419',
+            'uploader_id': 'now',
+            'view_count': int,
+        },
+        'params': {
+            'noplaylist': True,
+        }
+    }, {
+        'url': 'https://now.naver.com/show/4759?shareHightlight=1078#highlight=',
+        'md5': '9f6118e398aa0f22b2152f554ea7851b',
+        'info_dict': {
+            'id': '4759-1078',
+            'title': '아이키: 나 리정한테 흔들렸어,,, 질투 폭발하는 노제 여보😾 [아이키의 떰즈업]ㅣ네이버 NOW.',
+            'ext': 'mp4',
+            'thumbnail': r're:^https?://.*\.jpg',
+            'upload_date': '20220504',
+            'timestamp': 1651648042,
+            'uploader_id': 'now',
+            'view_count': int,
+        },
+        'params': {
+            'noplaylist': True,
+        },
+    }, {
+        'url': 'https://now.naver.com/show/4759',
+        'info_dict': {
+            'id': '4759',
+            'title': '아이키의 떰즈업',
+        },
+        'playlist_mincount': 48
+    }, {
+        'url': 'https://now.naver.com/show/4759?shareReplayId=5901#replay',
+        'info_dict': {
+            'id': '4759',
+            'title': '아이키의 떰즈업',
+        },
+        'playlist_mincount': 48,
+    }, {
+        'url': 'https://now.naver.com/show/4759?shareHightlight=1078#highlight=',
+        'info_dict': {
+            'id': '4759',
+            'title': '아이키의 떰즈업',
+        },
+        'playlist_mincount': 48,
+    }]
+
+    def _extract_replay(self, show_id, replay_id):
+        vod_info = self._download_json(f'{self._API_URL}/shows/{show_id}/vod/{replay_id}', replay_id)
+        in_key = self._download_json(f'{self._API_URL}/shows/{show_id}/vod/{replay_id}/inkey', replay_id)['inKey']
+        return merge_dicts({
+            'id': f'{show_id}-{replay_id}',
+            'title': traverse_obj(vod_info, ('episode', 'title')),
+            'timestamp': unified_timestamp(traverse_obj(vod_info, ('episode', 'start_time'))),
+            'thumbnail': vod_info.get('thumbnail_image_url'),
+        }, self._extract_video_info(replay_id, vod_info['video_id'], in_key))
+
+    def _extract_show_replays(self, show_id):
+        page = 0
+        while True:
+            show_vod_info = self._download_json(
+                f'{self._API_URL}/vod-shows/{show_id}', show_id,
+                query={'offset': page * self._PAGE_SIZE, 'limit': self._PAGE_SIZE},
+                note=f'Downloading JSON vod list for show {show_id} - page {page}'
+            )['response']['result']
+            for v in show_vod_info.get('vod_list') or []:
+                yield self._extract_replay(show_id, v['id'])
+
+            if try_call(lambda: show_vod_info['count'] <= self._PAGE_SIZE * (page + 1)):
+                break
+            page += 1
+
+    def _extract_show_highlights(self, show_id, highlight_id=None):
+        page = 0
+        while True:
+            highlights_videos = self._download_json(
+                f'{self._API_URL}/shows/{show_id}/highlights/videos/', show_id,
+                query={'offset': page * self._PAGE_SIZE, 'limit': self._PAGE_SIZE},
+                note=f'Downloading JSON highlights for show {show_id} - page {page}')
+
+            for highlight in highlights_videos.get('results') or []:
+                if highlight_id and highlight.get('id') != int(highlight_id):
+                    continue
+                yield merge_dicts({
+                    'id': f'{show_id}-{highlight["id"]}',
+                    'title': highlight.get('title'),
+                    'timestamp': unified_timestamp(highlight.get('regdate')),
+                    'thumbnail': highlight.get('thumbnail_url'),
+                }, self._extract_video_info(highlight['id'], highlight['video_id'], highlight['video_inkey']))
+
+            if try_call(lambda: highlights_videos['count'] <= self._PAGE_SIZE * (page + 1)):
+                break
+            page += 1
+
+    def _extract_highlight(self, show_id, highlight_id):
+        try:
+            return next(self._extract_show_highlights(show_id, highlight_id))
+        except StopIteration:
+            raise ExtractorError(f'Unable to find highlight {highlight_id} for show {show_id}')
+
+    def _real_extract(self, url):
+        show_id = self._match_id(url)
+        qs = parse_qs(urlparse(url).query)
+
+        if not self._yes_playlist(show_id, qs.get('shareHightlight')):
+            return self._extract_highlight(show_id, qs['shareHightlight'][0])
+        elif not self._yes_playlist(show_id, qs.get('shareReplayId')):
+            return self._extract_replay(show_id, qs['shareReplayId'][0])
+
+        show_info = self._download_json(
+            f'{self._API_URL}/shows/{show_id}', show_id,
+            note=f'Downloading JSON vod list for show {show_id}')
+
+        return self.playlist_result(
+            itertools.chain(self._extract_show_replays(show_id), self._extract_show_highlights(show_id)),
+            show_id, show_info.get('title'))