[extractor/mocha] Add extractor (#4213)

Closes https://github.com/yt-dlp/yt-dlp/issues/3752
Authored by: HobbyistDev

yt_dlp/extractor/_extractors.py

@@ -948,6 +948,7 @@ from .mlb import (
 )
 from .mlssoccer import MLSSoccerIE
 from .mnet import MnetIE
+from .mocha import MochaVideoIE
 from .moevideo import MoeVideoIE
 from .mofosex import (
     MofosexIE,

yt_dlp/extractor/mocha.py

@@ -0,0 +1,66 @@
+from .common import InfoExtractor
+from ..utils import int_or_none, traverse_obj
+
+
+class MochaVideoIE(InfoExtractor):
+    _VALID_URL = r'https?://video.mocha.com.vn/(?P<video_slug>[\w-]+)'
+    _TESTS = [{
+        'url': 'http://video.mocha.com.vn/chuyen-meo-gia-su-tu-thong-diep-cuoc-song-v18694039',
+        'info_dict': {
+            'id': '18694039',
+            'title': 'Chuyện mèo giả sư tử | Thông điệp cuộc sống',
+            'ext': 'mp4',
+            'view_count': int,
+            'like_count': int,
+            'dislike_count': int,
+            'display_id': 'chuyen-meo-gia-su-tu-thong-diep-cuoc-song',
+            'thumbnail': 'http://mcvideomd1fr.keeng.net/playnow/images/20220505/ad0a055d-2f69-42ca-b888-4790041fe6bc_640x480.jpg',
+            'description': '',
+            'duration': 70,
+            'timestamp': 1652254203,
+            'upload_date': '20220511',
+            'comment_count': int,
+            'categories': ['Kids']
+        }
+    }]
+
+    def _real_extract(self, url):
+        video_slug = self._match_valid_url(url).group('video_slug')
+        json_data = self._download_json(
+            'http://apivideo.mocha.com.vn:8081/onMediaBackendBiz/mochavideo/getVideoDetail',
+            video_slug, query={'url': url, 'token': ''})['data']['videoDetail']
+        video_id = str(json_data['id'])
+        video_urls = (json_data.get('list_resolution') or []) + [json_data.get('original_path')]
+
+        formats, subtitles = [], {}
+        for video in video_urls:
+            if isinstance(video, str):
+                formats.extend([{'url': video, 'ext': 'mp4'}])
+            else:
+                fmts, subs = self._extract_m3u8_formats_and_subtitles(
+                    video.get('video_path'), video_id, ext='mp4')
+                formats.extend(fmts)
+                self._merge_subtitles(subs, target=subtitles)
+
+        self._sort_formats(formats)
+
+        return {
+            'id': video_id,
+            'display_id': json_data.get('slug') or video_slug,
+            'title': json_data.get('name'),
+            'formats': formats,
+            'subtitles': subtitles,
+            'description': json_data.get('description'),
+            'duration': json_data.get('durationS'),
+            'view_count': json_data.get('total_view'),
+            'like_count': json_data.get('total_like'),
+            'dislike_count': json_data.get('total_unlike'),
+            'thumbnail': json_data.get('image_path_thumb'),
+            'timestamp': int_or_none(json_data.get('publish_time'), scale=1000),
+            'is_live': json_data.get('isLive'),
+            'channel': traverse_obj(json_data, ('channels', '0', 'name')),
+            'channel_id': traverse_obj(json_data, ('channels', '0', 'id')),
+            'channel_follower_count': traverse_obj(json_data, ('channels', '0', 'numfollow')),
+            'categories': traverse_obj(json_data, ('categories', ..., 'categoryname')),
+            'comment_count': json_data.get('total_comment'),
+        }