[ie/fathom] Add extractor (#9495)

Closes #8541
Authored by: src-tinkerer

yt_dlp/extractor/_extractors.py

@@ -590,6 +590,7 @@
     FacebookReelIE,
     FacebookAdsIE,
 )
+from .fathom import FathomIE
 from .fancode import (
     FancodeVodIE,
     FancodeLiveIE

yt_dlp/extractor/fathom.py

@@ -0,0 +1,54 @@
+import json
+
+from .common import InfoExtractor
+from ..utils import (
+    extract_attributes,
+    float_or_none,
+    get_element_html_by_id,
+    parse_iso8601,
+)
+from ..utils.traversal import traverse_obj
+
+
+class FathomIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?fathom\.video/share/(?P<id>[^/?#&]+)'
+    _TESTS = [{
+        'url': 'https://fathom.video/share/G9mkjkspnohVVZ_L5nrsoPycyWcB8y7s',
+        'md5': '0decd5343b8f30ae268625e79a02b60f',
+        'info_dict': {
+            'id': '47200596',
+            'ext': 'mp4',
+            'title': 'eCom Inucbator - Coaching Session',
+            'duration': 8125.380507,
+            'timestamp': 1699048914,
+            'upload_date': '20231103',
+        },
+    }, {
+        'url': 'https://fathom.video/share/mEws3bybftHL2QLymxYEDeE21vtLxGVm',
+        'md5': '4f5cb382126c22d1aba8a939f9c49690',
+        'info_dict': {
+            'id': '46812957',
+            'ext': 'mp4',
+            'title': 'Jon, Lawrence, Neman chat about practice',
+            'duration': 3571.517847,
+            'timestamp': 1698933600,
+            'upload_date': '20231102',
+        },
+    }]
+
+    def _real_extract(self, url):
+        display_id = self._match_id(url)
+        webpage = self._download_webpage(url, display_id)
+        props = traverse_obj(
+            get_element_html_by_id('app', webpage), ({extract_attributes}, 'data-page', {json.loads}, 'props'))
+        video_id = str(props['call']['id'])
+
+        return {
+            'id': video_id,
+            'formats': self._extract_m3u8_formats(props['call']['video_url'], video_id, 'mp4'),
+            **traverse_obj(props, {
+                'title': ('head', 'title', {str}),
+                'duration': ('duration', {float_or_none}),
+                'timestamp': ('call', 'started_at', {parse_iso8601}),
+            }),
+        }