Datasets:
File size: 2,596 Bytes
ef222b5 879c597 ef222b5 879c597 ef222b5 879c597 ef222b5 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | from __future__ import annotations
import argparse
import hashlib
import json
import shutil
from pathlib import Path
from huggingface_hub import hf_hub_download
def digest(path: Path) -> str:
value = hashlib.sha256()
with path.open("rb") as stream:
while block := stream.read(8 * 1024 * 1024):
value.update(block)
return value.hexdigest()
def main() -> int:
parser = argparse.ArgumentParser(description="Download and verify Krea 2 benchmark models")
parser.add_argument("--models-dir", type=Path, required=True)
parser.add_argument("--manifest", type=Path, default=Path(__file__).resolve().parents[1] / "provenance" / "model_manifest.json")
parser.add_argument("--all", action="store_true", help="Download all eight formats plus text encoder and VAE")
parser.add_argument("--format", choices=["bf16", "fp8_scaled", "int8_convrot", "mxfp8", "nvfp4", "int4_convrot", "gguf_q8_0", "gguf_q4_k_m"], action="append")
parser.add_argument("--accept-krea-license", action="store_true")
args = parser.parse_args()
if not args.accept_krea_license:
parser.error("Review the Krea 2 Community License, then pass --accept-krea-license")
selected = set(args.format or [])
if not args.all and not selected:
parser.error("Choose --all or at least one --format")
manifest = json.loads(args.manifest.read_text(encoding="utf-8"))
args.models_dir.mkdir(parents=True, exist_ok=True)
common = {"qwen3vl_4b_bf16.safetensors", "qwen_image_vae.safetensors"}
wanted = common | {item["filename"] for item in manifest["files"] if item.get("format_id") in selected}
if args.all:
wanted = {item["filename"] for item in manifest["files"]}
for item in manifest["files"]:
if item["filename"] not in wanted:
continue
destination = args.models_dir / item["filename"]
if destination.exists() and digest(destination) == item["sha256"]:
print(f"verified {destination.name}")
continue
cached = Path(hf_hub_download(repo_id=item["repository"], revision=item["revision"], filename=item["repository_path"]))
shutil.copy2(cached, destination)
actual = digest(destination)
if actual != item["sha256"]:
destination.unlink(missing_ok=True)
raise RuntimeError(f"SHA-256 mismatch for {item['filename']}: {actual}")
print(f"downloaded and verified {destination.name}")
return 0
if __name__ == "__main__":
raise SystemExit(main())
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