[extractor/ixigua] Add Extractor (#3953)

Closes #2840
Authored by: HobbyistDev

yt_dlp/extractor/_extractors.py

@@ -720,6 +720,7 @@
     IwaraPlaylistIE,
     IwaraUserIE,
 )
+from .ixigua import IxiguaIE
 from .izlesene import IzleseneIE
 from .jable import (
     JableIE,

yt_dlp/extractor/ixigua.py

@@ -0,0 +1,84 @@
+import base64
+
+from .common import InfoExtractor
+from ..utils import (
+    ExtractorError,
+    get_element_by_id,
+    int_or_none,
+    js_to_json,
+    str_or_none,
+    traverse_obj,
+)
+
+
+class IxiguaIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:\w+\.)?ixigua\.com/(?:video/)?(?P<id>\d+).+'
+    _TESTS = [{
+        'url': 'https://www.ixigua.com/6996881461559165471',
+        'info_dict': {
+            'id': '6996881461559165471',
+            'ext': 'mp4',
+            'title': '盲目涉水风险大，亲身示范高水位行车注意事项',
+            'description': 'md5:8c82f46186299add4a1c455430740229',
+            'tags': ['video_car'],
+            'like_count': int,
+            'dislike_count': int,
+            'view_count': int,
+            'uploader': '懂车帝原创',
+            'uploader_id': '6480145787',
+            'thumbnail': r're:^https?://.+\.(avif|webp)',
+            'timestamp': 1629088414,
+            'duration': 1030,
+        }
+    }]
+
+    def _get_json_data(self, webpage, video_id):
+        js_data = get_element_by_id('SSR_HYDRATED_DATA', webpage)
+        if not js_data:
+            if self._cookies_passed:
+                raise ExtractorError('Failed to get SSR_HYDRATED_DATA')
+            raise ExtractorError('Cookies (not necessarily logged in) are needed', expected=True)
+
+        return self._parse_json(
+            js_data.replace('window._SSR_HYDRATED_DATA=', ''), video_id, transform_source=js_to_json)
+
+    def _media_selector(self, json_data):
+        for path, override in (
+            (('video_list', ), {}),
+            (('dynamic_video', 'dynamic_video_list'), {'acodec': 'none'}),
+            (('dynamic_video', 'dynamic_audio_list'), {'vcodec': 'none', 'ext': 'm4a'}),
+        ):
+            for media in traverse_obj(json_data, (..., *path, lambda _, v: v['main_url'])):
+                yield {
+                    'url': base64.b64decode(media['main_url']).decode(),
+                    'width': int_or_none(media.get('vwidth')),
+                    'height': int_or_none(media.get('vheight')),
+                    'fps': int_or_none(media.get('fps')),
+                    'vcodec': media.get('codec_type'),
+                    'format_id': str_or_none(media.get('quality_type')),
+                    'filesize': int_or_none(media.get('size')),
+                    'ext': 'mp4',
+                    **override,
+                }
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        webpage = self._download_webpage(url, video_id)
+        json_data = self._get_json_data(webpage, video_id)['anyVideo']['gidInformation']['packerData']['video']
+
+        formats = list(self._media_selector(json_data.get('videoResource')))
+        self._sort_formats(formats)
+        return {
+            'id': video_id,
+            'title': json_data.get('title'),
+            'description': json_data.get('video_abstract'),
+            'formats': formats,
+            'like_count': json_data.get('video_like_count'),
+            'duration': int_or_none(json_data.get('duration')),
+            'tags': [json_data.get('tag')],
+            'uploader_id': traverse_obj(json_data, ('user_info', 'user_id')),
+            'uploader': traverse_obj(json_data, ('user_info', 'name')),
+            'view_count': json_data.get('video_watch_count'),
+            'dislike_count': json_data.get('video_unlike_count'),
+            'timestamp': int_or_none(json_data.get('video_publish_time')),
+        }