[redgifs] Add extractor (#1631)

Closes #1504
Authored by: chio0hai

yt_dlp/extractor/extractors.py

@@ -1216,6 +1216,7 @@ from .redbulltv import (
     RedBullIE,
 )
 from .reddit import RedditIE
+from .redgifs import RedGifsIE
 from .redtube import RedTubeIE
 from .regiotv import RegioTVIE
 from .rentv import (

yt_dlp/extractor/redgifs.py

@@ -0,0 +1,94 @@
+# coding: utf-8
+
+from .common import InfoExtractor
+from ..utils import (
+    ExtractorError,
+    int_or_none,
+    qualities,
+    try_get,
+)
+
+
+class RedGifsIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:(?:www|thumbs2?)\.)?redgifs\.com/(?:watch/)?(?P<id>[^-/?#\.]+)'
+    _FORMATS = {
+        'gif': 250,
+        'sd': 480,
+        'hd': None,
+    }
+    _TESTS = [{
+        'url': 'https://www.redgifs.com/watch/squeakyhelplesswisent',
+        'info_dict': {
+            'id': 'squeakyhelplesswisent',
+            'ext': 'mp4',
+            'title': 'Hotwife Legs Thick',
+            'timestamp': 1636287915,
+            'upload_date': '20211107',
+            'uploader': 'ignored52',
+            'duration': 16,
+            'view_count': int,
+            'like_count': int,
+            'categories': list,
+            'age_limit': 18,
+        }
+    }, {
+        'url': 'https://thumbs2.redgifs.com/SqueakyHelplessWisent-mobile.mp4#t=0',
+        'info_dict': {
+            'id': 'squeakyhelplesswisent',
+            'ext': 'mp4',
+            'title': 'Hotwife Legs Thick',
+            'timestamp': 1636287915,
+            'upload_date': '20211107',
+            'uploader': 'ignored52',
+            'duration': 16,
+            'view_count': int,
+            'like_count': int,
+            'categories': list,
+            'age_limit': 18,
+        }
+    }]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url).lower()
+
+        video_info = self._download_json(
+            'https://api.redgifs.com/v2/gifs/%s' % video_id,
+            video_id, 'Downloading video info')
+        if 'error' in video_info:
+            raise ExtractorError(f'RedGifs said: {video_info["error"]}', expected=True)
+
+        gif = video_info['gif']
+        urls = gif['urls']
+
+        quality = qualities(tuple(self._FORMATS.keys()))
+
+        orig_height = int_or_none(gif.get('height'))
+        aspect_ratio = try_get(gif, lambda x: orig_height / x['width'])
+
+        formats = []
+        for format_id, height in self._FORMATS.items():
+            video_url = urls.get(format_id)
+            if not video_url:
+                continue
+            height = min(orig_height, height or orig_height)
+            formats.append({
+                'url': video_url,
+                'format_id': format_id,
+                'width': height * aspect_ratio if aspect_ratio else None,
+                'height': height,
+                'quality': quality(format_id),
+            })
+        self._sort_formats(formats)
+
+        return {
+            'id': video_id,
+            'title': ' '.join(gif.get('tags') or []) or 'RedGifs',
+            'timestamp': int_or_none(gif.get('createDate')),
+            'uploader': gif.get('userName'),
+            'duration': int_or_none(gif.get('duration')),
+            'view_count': int_or_none(gif.get('views')),
+            'like_count': int_or_none(gif.get('likes')),
+            'categories': gif.get('tags') or [],
+            'age_limit': 18,
+            'formats': formats,
+        }