- 'duration': parse_duration(feed['feed']['duration']),
- 'thumbnail': feed['feed']['image'],
- 'timestamp': parse_iso8601(feed['creatime'], ' '),
- 'uploader': feed['author']['nickname'],
- 'uploader_id': feed['author']['uid'],
+ 'duration': parse_duration(get('feed', 'duration')),
+ 'thumbnail': get('feed', 'image'),
+ 'timestamp': parse_iso8601(feed.get('creatime'), ' '),
+ 'uploader': get('author', 'nickname'),
+ 'uploader_id': get('author', 'uid'),