Hi,
I have mixed sample of .dwg + .dxf extensions.
I downloaded this zip file:
map_of_alaska.zip (3.5 MB)
It has two inner folders:
image.png (5.2 KB)
In one folder there is -__MACOSX-.dwg extension.
image.png (8.…...extension (or its content) and loads it accordingly. So if you want...the zip first, then call the loading method with the full file name...