[ie/tumblr] Extract timestamp (#15462)

Authored by: alch-emi

yt_dlp/extractor/tumblr.py

@@ -20,6 +20,8 @@ class TumblrIE(InfoExtractor):
             'id': '54196191430',
             'ext': 'mp4',
             'title': 'md5:dfac39636969fe6bf1caa2d50405f069',
+            'timestamp': 1372531260,
+            'upload_date': '20130629',
             'description': 'md5:390ab77358960235b6937ab3b8528956',
             'uploader_id': 'tatianamaslanydaily',
             'uploader_url': 'https://tatianamaslanydaily.tumblr.com/',
@@ -39,6 +41,8 @@ class TumblrIE(InfoExtractor):
             'ext': 'mp4',
             'title': 'Mona\xa0“talking” in\xa0“english”',
             'description': 'md5:082a3a621530cb786ad2b7592a6d9e2c',
+            'timestamp': 1597865276,
+            'upload_date': '20200819',
             'uploader_id': 'maskofthedragon',
             'uploader_url': 'https://maskofthedragon.tumblr.com/',
             'thumbnail': r're:^https?://.*\.jpg',
@@ -76,6 +80,8 @@ class TumblrIE(InfoExtractor):
             'id': '159704441298',
             'ext': 'mp4',
             'title': 'md5:ba79365861101f4911452728d2950561',
+            'timestamp': 1492489550,
+            'upload_date': '20170418',
             'description': 'md5:773738196cea76b6996ec71e285bdabc',
             'uploader_id': 'jujanon',
             'uploader_url': 'https://jujanon.tumblr.com/',
@@ -93,6 +99,8 @@ class TumblrIE(InfoExtractor):
             'id': '180294460076',
             'ext': 'mp4',
             'title': 'duality of bird',
+            'timestamp': 1542651819,
+            'upload_date': '20181119',
             'description': 'duality of bird',
             'uploader_id': 'todaysbird',
             'uploader_url': 'https://todaysbird.tumblr.com/',
@@ -238,6 +246,8 @@ class TumblrIE(InfoExtractor):
         'info_dict': {
             'id': '730460905855467520',
             'uploader_id': 'felixcosm',
+            'upload_date': '20231006',
+            'timestamp': 1696621805,
             'repost_count': int,
             'tags': 'count:15',
             'description': 'md5:2eb3482a3c6987280cbefb6839068f32',
@@ -327,6 +337,8 @@ class TumblrIE(InfoExtractor):
         'url': 'https://www.tumblr.com/anyaboz/765332564457209856/my-music-video-for-selkie-by-nobodys-wolf-child',
         'info_dict': {
             'id': '765332564457209856',
+            'timestamp': 1729878010,
+            'upload_date': '20241025',
             'uploader_id': 'anyaboz',
             'repost_count': int,
             'age_limit': 0,
@@ -445,6 +457,8 @@ class TumblrIE(InfoExtractor):
             'uploader_id': uploader_id,
             'uploader_url': f'https://{uploader_id}.tumblr.com/' if uploader_id else None,
             **traverse_obj(post_json, {
+                # Try oldest post in reblog chain, fall back to timestamp of the post itself
+                'timestamp': ((('trail', 0, 'post'), None), 'timestamp', {int_or_none}, any),
                 'like_count': ('like_count', {int_or_none}),
                 'repost_count': ('reblog_count', {int_or_none}),
                 'tags': ('tags', ..., {str}),