DDUF file created using https://github.com/huggingface/huggingface_hub/pull/2692:
from huggingface_hub import snapshot_download, write_dduf_file
snapshot_download(
    "CompVis/stable-diffusion-v1-4",
    allow_patterns=["*.json", "*.txt", "*.fp16.safetensors"],
    local_dir="stable-diffusion-v1-4-fp16",
)
write_dduf_file("stable-diffusion-v1-4-FP16.dduf", "stable-diffusion-v1-4-fp16")