[Gettr] Add extractor (#1120)

Fixes: https://github.com/ytdl-org/youtube-dl/issues/29589
Authored by: i6t

yt_dlp/extractor/gettr.py

@@ -0,0 +1,110 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+from .common import InfoExtractor
+from ..utils import (
+    ExtractorError,
+    dict_get,
+    float_or_none,
+    int_or_none,
+    remove_end,
+    str_or_none,
+    try_get,
+    url_or_none,
+    urljoin,
+)
+
+
+class GettrIE(InfoExtractor):
+    _VALID_URL = r'https?://(www\.)?gettr\.com/post/(?P<id>[a-z0-9]+)'
+    _MEDIA_BASE_URL = 'https://media.gettr.com/'
+
+    _TESTS = [{
+        'url': 'https://www.gettr.com/post/pcf6uv838f',
+        'info_dict': {
+            'id': 'pcf6uv838f',
+            'title': 'md5:9086a646bbd06c41c4fe8e52b3c93454',
+            'description': 'md5:be0577f1e4caadc06de4a002da2bf287',
+            'ext': 'mp4',
+            'uploader': 'EpochTV',
+            'uploader_id': 'epochtv',
+            'thumbnail': r're:^https?://.+/out\.jpg',
+            'timestamp': 1632782451058,
+            'duration': 58.5585,
+        }
+    }, {
+        'url': 'https://gettr.com/post/p4iahp',
+        'info_dict': {
+            'id': 'p4iahp',
+            'title': 'md5:b03c07883db6fbc1aab88877a6c3b149',
+            'description': 'md5:741b7419d991c403196ed2ea7749a39d',
+            'ext': 'mp4',
+            'uploader': 'Neues Forum Freiheit',
+            'uploader_id': 'nf_freiheit',
+            'thumbnail': r're:^https?://.+/out\.jpg',
+            'timestamp': 1626594455017,
+            'duration': 23,
+        }
+    }]
+
+    def _real_extract(self, url):
+        post_id = self._match_id(url)
+        webpage = self._download_webpage(url, post_id)
+
+        api_data = self._download_json(
+            'https://api.gettr.com/u/post/%s?incl="poststats|userinfo"' % post_id, post_id)
+
+        post_data = try_get(api_data, lambda x: x['result']['data'])
+        user_data = try_get(api_data, lambda x: x['result']['aux']['uinf'][post_data['uid']]) or {}
+
+        if post_data.get('nfound'):
+            raise ExtractorError(post_data.get('txt'), expected=True)
+
+        title = description = str_or_none(
+            post_data.get('txt') or self._og_search_description(webpage))
+
+        uploader = str_or_none(
+            user_data.get('nickname')
+            or remove_end(self._og_search_title(webpage), ' on GETTR'))
+        if uploader:
+            title = '%s - %s' % (uploader, title)
+
+        if not dict_get(post_data, ['vid', 'ovid']):
+            raise ExtractorError('There\'s no video in this post.')
+
+        vid = post_data.get('vid')
+        ovid = post_data.get('ovid')
+
+        formats = self._extract_m3u8_formats(
+            urljoin(self._MEDIA_BASE_URL, vid), post_id, 'mp4',
+            entry_protocol='m3u8_native', m3u8_id='hls') if vid else []
+
+        if ovid:
+            formats.append({
+                'url': urljoin(self._MEDIA_BASE_URL, ovid),
+                'format_id': 'ovid',
+                'ext': 'mp4',
+                'width': int_or_none(post_data.get('vid_wid')),
+                'height': int_or_none(post_data.get('vid_hgt')),
+                'source_preference': 1,
+                'quality': 1,
+            })
+
+        self._sort_formats(formats)
+
+        return {
+            'id': post_id,
+            'title': title,
+            'description': description,
+            'thumbnail': url_or_none(
+                urljoin(self._MEDIA_BASE_URL, post_data.get('main'))
+                or self._og_search_thumbnail(webpage)),
+            'timestamp': int_or_none(post_data.get('cdate')),
+            'uploader_id': str_or_none(
+                dict_get(user_data, ['_id', 'username'])
+                or post_data.get('uid')),
+            'uploader': uploader,
+            'formats': formats,
+            'duration': float_or_none(post_data.get('vid_dur')),
+            'tags': post_data.get('htgs'),
+        }