Upload demo/infer/convert_vlm_jsonl.py with huggingface_hub

demo/infer/convert_vlm_jsonl.py

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+import argparse
+import json
+import shutil
+from pathlib import Path
+
+
+def resolve_image_path(image_value: str, image_dir: str | None) -> Path | None:
+    if not image_value:
+        return None
+
+    path = Path(image_value)
+    if path.is_absolute():
+        return path
+
+    if image_dir:
+        candidate = Path(image_dir) / path
+        if candidate.exists():
+            return candidate
+
+    return path
+
+
+def build_layers(bboxes: list) -> list:
+    layers = []
+    for i, bbox in enumerate(bboxes):
+        if not isinstance(bbox, (list, tuple)) or len(bbox) < 4:
+            continue
+
+        x0, y0, x1, y1 = [int(float(value)) for value in bbox[:4]]
+        x0, x1 = min(x0, x1), max(x0, x1)
+        y0, y1 = min(y0, y1), max(y0, y1)
+        layers.append({
+            "layer_idx": i,
+            "box": [x0, y0, x1, y1],
+            "width_dst": x1 - x0,
+            "height_dst": y1 - y0,
+        })
+    return layers
+
+
+def convert(
+    input_path: str,
+    output_path: str,
+    canvas_size: int = 1024,
+    image_dir: str | None = None,
+    materialize_data_dir: str | None = None,
+):
+    converted_count = 0
+    materialize_root = Path(materialize_data_dir) if materialize_data_dir else None
+
+    with open(input_path, "r", encoding="utf-8") as fin, \
+         open(output_path, "w", encoding="utf-8") as fout:
+        for line in fin:
+            line = line.strip()
+            if not line:
+                continue
+            vlm = json.loads(line)
+
+            sample_name = (
+                vlm.get("sample_or_stem")
+                or vlm.get("sample_dir")
+                or Path(vlm.get("image", f"sample_{converted_count:06d}")).stem
+            )
+            image_path = resolve_image_path(vlm.get("image", ""), image_dir)
+            layers = build_layers(vlm.get("bboxes", []))
+
+            sample_dir = sample_name
+            blend_path = str(image_path) if image_path else ""
+
+            if materialize_root and image_path and image_path.exists():
+                sample_path = materialize_root / sample_name
+                sample_path.mkdir(parents=True, exist_ok=True)
+                whole_image_path = sample_path / "whole_image.png"
+                shutil.copyfile(image_path, whole_image_path)
+                sample_dir = sample_name
+                blend_path = str(whole_image_path)
+
+            record = {
+                "sample_dir": sample_dir,
+                "whole_caption": vlm.get("whole_caption", ""),
+                "layer_count": len(layers),
+                "width": canvas_size,
+                "height": canvas_size,
+                "layers": layers,
+            }
+            if blend_path:
+                # prism_infer.py falls back to blend_path when sample_dir/whole_image.png is absent.
+                record["blend_path"] = blend_path
+
+            fout.write(json.dumps(record, ensure_ascii=False) + "\n")
+            converted_count += 1
+
+    print(f"Converted {converted_count} samples: {input_path} -> {output_path}")
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description="Convert VLM JSONL to prism_infer format")
+    parser.add_argument("--input", "-i", type=str, required=True)
+    parser.add_argument("--output", "-o", type=str, required=True)
+    parser.add_argument("--canvas_size", type=int, default=1024)
+    parser.add_argument("--image_dir", type=str, default=None)
+    parser.add_argument(
+        "--materialize_data_dir",
+        type=str,
+        default=None,
+        help="Optional output data dir. Copies each VLM image to sample_dir/whole_image.png for prism_infer.py.",
+    )
+    args = parser.parse_args()
+    convert(
+        args.input,
+        args.output,
+        args.canvas_size,
+        image_dir=args.image_dir,
+        materialize_data_dir=args.materialize_data_dir,
+    )