[GabTV] Add extractor (#768)

Closes #499
Authored by: Ashish0804

2 files changed, 65 insertions, 0 deletions

diff --git a/yt_dlp/extractor/extractors.py b/yt_dlp/extractor/extractors.py
index cbebb8bf0..60ba6ccb2 100644
--- a/yt_dlp/extractor/extractors.py
+++ b/yt_dlp/extractor/extractors.py
@@ -480,6 +480,7 @@ from .funimation import (
 )
 from .funk import FunkIE
 from .fusion import FusionIE
+from .gab import GabTVIE
 from .gaia import GaiaIE
 from .gameinformer import GameInformerIE
 from .gamespot import GameSpotIE
diff --git a/yt_dlp/extractor/gab.py b/yt_dlp/extractor/gab.py
new file mode 100644
index 000000000..25b5cb066
--- /dev/null
+++ b/yt_dlp/extractor/gab.py
@@ -0,0 +1,64 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+import re
+
+from .common import InfoExtractor
+from ..utils import (
+    clean_html,
+    str_to_int,
+)
+
+
+class GabTVIE(InfoExtractor):
+    _VALID_URL = r'(?:https?://)tv.gab.com/channel/[^/]+/view/(?P<id>[a-z0-9-]+)'
+    _TESTS = [{
+        'url': 'https://tv.gab.com/channel/wurzelroot/view/why-was-america-in-afghanistan-61217eacea5665de450d0488',
+        'info_dict': {
+            'id': '61217eacea5665de450d0488',
+            'ext': 'mp4',
+            'title': 'WHY WAS AMERICA IN AFGHANISTAN - AMERICA FIRST AGAINST AMERICAN OLIGARCHY',
+            'description': None,
+            'uploader': 'Wurzelroot',
+            'uploader_id': '608fb0a85738fd1974984f7d',
+            'thumbnail': 'https://tv.gab.com/image/61217eacea5665de450d0488',
+        }
+    }]
+
+    def _real_extract(self, url):
+        id = self._match_id(url).split('-')[-1]
+        webpage = self._download_webpage(url, id)
+        channel_id = self._search_regex(r'data-channel-id=\"(?P<channel_id>[^\"]+)', webpage, 'channel_id')
+        channel_name = self._search_regex(r'data-channel-name=\"(?P<channel_id>[^\"]+)', webpage, 'channel_name')
+        title = self._search_regex(r'data-episode-title=\"(?P<channel_id>[^\"]+)', webpage, 'title')
+        view_key = self._search_regex(r'data-view-key=\"(?P<channel_id>[^\"]+)', webpage, 'view_key')
+        description = clean_html(self._html_search_regex(self._meta_regex('description'), webpage, 'description', group='content')) or None
+        available_resolutions = re.findall(r'<a\ data-episode-id=\"%s\"\ data-resolution=\"(?P<resolution>[^\"]+)' % id, webpage)
+
+        formats = []
+        for resolution in available_resolutions:
+            frmt = {
+                'url': f'https://tv.gab.com/media/{id}?viewKey={view_key}&r={resolution}',
+                'format_id': resolution,
+                'vcodec': 'h264',
+                'acodec': 'aac',
+                'ext': 'mp4'
+            }
+            if 'audio-' in resolution:
+                frmt['abr'] = str_to_int(resolution.replace('audio-', ''))
+                frmt['height'] = 144
+                frmt['quality'] = -10
+            else:
+                frmt['height'] = str_to_int(resolution.replace('p', ''))
+            formats.append(frmt)
+        self._sort_formats(formats)
+
+        return {
+            'id': id,
+            'title': title,
+            'formats': formats,
+            'description': description,
+            'uploader': channel_name,
+            'uploader_id': channel_id,
+            'thumbnail': f'https://tv.gab.com/image/{id}',
+        }