if isinstance(timestamp, (int, float)): # unix timestamp
# Using naive datetime here can break timestamp() in Windows
# Ref: https://github.com/yt-dlp/yt-dlp/issues/5185, https://github.com/python/cpython/issues/94414
- datetime_object = datetime.datetime.fromtimestamp(timestamp, datetime.timezone.utc)
+ # Also, datetime.datetime.fromtimestamp breaks for negative timestamps
+ # Ref: https://github.com/yt-dlp/yt-dlp/issues/6706#issuecomment-1496842642
+ datetime_object = (datetime.datetime.fromtimestamp(0, datetime.timezone.utc)
+ + datetime.timedelta(seconds=timestamp))
elif isinstance(timestamp, str): # assume YYYYMMDD
datetime_object = datetime.datetime.strptime(timestamp, '%Y%m%d')
date_format = re.sub( # Support %s on windows